./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.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_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/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_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/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_25b364f3-1067-4356-adc9-c5b6c3855c5d/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 d58cec473cb766e48ec31cf93ef2517d91aaecb5 ................................................................................................................................... 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_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/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_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/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_25b364f3-1067-4356-adc9-c5b6c3855c5d/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 d58cec473cb766e48ec31cf93ef2517d91aaecb5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:01:50,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:01:50,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:01:50,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:01:50,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:01:50,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:01:50,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:01:50,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:01:50,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:01:50,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:01:50,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:01:50,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:01:50,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:01:50,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:01:50,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:01:50,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:01:50,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:01:50,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:01:50,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:01:50,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:01:50,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:01:50,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:01:50,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:01:50,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:01:50,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:01:50,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:01:50,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:01:50,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:01:50,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:01:50,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:01:50,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:01:50,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:01:50,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:01:50,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:01:50,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:01:50,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:01:50,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:01:50,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:01:50,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:01:50,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:01:50,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:01:50,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-13 00:01:51,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:01:51,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:01:51,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:01:51,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:01:51,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:01:51,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:01:51,029 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:01:51,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:01:51,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:01:51,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:01:51,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:01:51,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:01:51,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:01:51,032 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:01:51,032 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:01:51,032 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:01:51,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:01:51,033 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:01:51,033 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:01:51,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:01:51,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:01:51,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:01:51,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:01:51,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:01:51,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:01:51,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:01:51,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:01:51,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:01:51,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:01:51,035 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_25b364f3-1067-4356-adc9-c5b6c3855c5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58cec473cb766e48ec31cf93ef2517d91aaecb5 [2021-10-13 00:01:51,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:01:51,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:01:51,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:01:51,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:01:51,316 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:01:51,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-13 00:01:51,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/436067e72/b2efc7ee5cea487e91364c626887b13e/FLAGc94fdc1b0 [2021-10-13 00:01:51,959 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:01:51,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-13 00:01:51,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/436067e72/b2efc7ee5cea487e91364c626887b13e/FLAGc94fdc1b0 [2021-10-13 00:01:52,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/436067e72/b2efc7ee5cea487e91364c626887b13e [2021-10-13 00:01:52,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:01:52,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:01:52,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:01:52,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:01:52,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:01:52,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:52" (1/1) ... [2021-10-13 00:01:52,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f623368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:52, skipping insertion in model container [2021-10-13 00:01:52,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:52" (1/1) ... [2021-10-13 00:01:52,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:01:52,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:01:52,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:01:52,901 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 00:01:52,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dbfa0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:52, skipping insertion in model container [2021-10-13 00:01:52,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:01:52,903 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:01:52,907 INFO L168 Benchmark]: Toolchain (without parser) took 644.32 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 122.1 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:52,908 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:01:52,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.39 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 122.1 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:52,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 641.39 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 122.1 MB in the end (delta: -6.2 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 00:01:55,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:01:55,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:01:55,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:01:55,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:01:55,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:01:55,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:01:55,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:01:55,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:01:55,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:01:55,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:01:55,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:01:55,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:01:55,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:01:55,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:01:55,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:01:55,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:01:55,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:01:55,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:01:55,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:01:55,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:01:55,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:01:55,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:01:55,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:01:55,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:01:55,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:01:55,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:01:55,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:01:55,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:01:55,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:01:55,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:01:55,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:01:55,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:01:55,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:01:55,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:01:55,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:01:55,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:01:55,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:01:55,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:01:55,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:01:55,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:01:55,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 00:01:55,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:01:55,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:01:55,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:01:55,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:01:55,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:01:55,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:01:55,167 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:01:55,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:01:55,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:01:55,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:01:55,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:01:55,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:01:55,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:01:55,169 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:01:55,169 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:01:55,169 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:01:55,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:01:55,169 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:01:55,169 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:01:55,170 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:01:55,170 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:01:55,170 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:01:55,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:01:55,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:01:55,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:01:55,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:01:55,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:01:55,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:01:55,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:01:55,172 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:01:55,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:01:55,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:01:55,172 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_25b364f3-1067-4356-adc9-c5b6c3855c5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58cec473cb766e48ec31cf93ef2517d91aaecb5 [2021-10-13 00:01:55,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:01:55,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:01:55,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:01:55,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:01:55,564 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:01:55,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-13 00:01:55,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/5b3a9b794/5218471a810046c781b92d2ab198b2d4/FLAGe488a2b86 [2021-10-13 00:01:56,239 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:01:56,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-13 00:01:56,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/5b3a9b794/5218471a810046c781b92d2ab198b2d4/FLAGe488a2b86 [2021-10-13 00:01:56,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/data/5b3a9b794/5218471a810046c781b92d2ab198b2d4 [2021-10-13 00:01:56,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:01:56,525 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:01:56,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:01:56,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:01:56,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:01:56,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:56" (1/1) ... [2021-10-13 00:01:56,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6ff27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:56, skipping insertion in model container [2021-10-13 00:01:56,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:56" (1/1) ... [2021-10-13 00:01:56,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:01:56,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:01:57,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:01:57,082 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 00:01:57,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:01:57,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:01:57,145 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:01:57,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:01:57,243 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:01:57,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57 WrapperNode [2021-10-13 00:01:57,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:01:57,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:01:57,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:01:57,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:01:57,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:01:57,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:01:57,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:01:57,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:01:57,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (1/1) ... [2021-10-13 00:01:57,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:01:57,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:01:57,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:01:57,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:01:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 00:01:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:01:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:01:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:01:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 00:01:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 00:01:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-13 00:01:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-13 00:01:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-13 00:01:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-13 00:01:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-13 00:01:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-13 00:01:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-13 00:01:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:01:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 00:01:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-13 00:01:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 00:01:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-13 00:01:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 00:01:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-13 00:01:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-13 00:01:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-13 00:01:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-13 00:01:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-13 00:01:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-13 00:01:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-13 00:01:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-13 00:01:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-13 00:01:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-13 00:01:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-13 00:01:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-13 00:01:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-13 00:01:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-13 00:01:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-13 00:01:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-13 00:01:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-13 00:01:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-13 00:01:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-13 00:01:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-13 00:01:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-13 00:01:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 00:01:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 00:01:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-13 00:01:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-13 00:01:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_2_11 [2021-10-13 00:01:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-13 00:01:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-13 00:01:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 00:01:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-13 00:01:57,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-13 00:01:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 00:01:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 00:01:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 00:01:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 00:01:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 00:01:57,452 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 00:01:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 00:01:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 00:01:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 00:01:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 00:01:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 00:01:57,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 00:01:57,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 00:01:57,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 00:01:57,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 00:01:57,454 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 00:01:57,454 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 00:01:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 00:01:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 00:01:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-13 00:01:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-13 00:01:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-13 00:01:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 00:01:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 00:01:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 00:01:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 00:01:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 00:01:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 00:01:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 00:01:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 00:01:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 00:01:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 00:01:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 00:01:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 00:01:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 00:01:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 00:01:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 00:01:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 00:01:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 00:01:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 00:01:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 00:01:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 00:01:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 00:01:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 00:01:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 00:01:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 00:01:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 00:01:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 00:01:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 00:01:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 00:01:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 00:01:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 00:01:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 00:01:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 00:01:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 00:01:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 00:01:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 00:01:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 00:01:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 00:01:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 00:01:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 00:01:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 00:01:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 00:01:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 00:01:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 00:01:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 00:01:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 00:01:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 00:01:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 00:01:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 00:01:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 00:01:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 00:01:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 00:01:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 00:01:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 00:01:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 00:01:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 00:01:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 00:01:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 00:01:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 00:01:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 00:01:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 00:01:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 00:01:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 00:01:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 00:01:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 00:01:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 00:01:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 00:01:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 00:01:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 00:01:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 00:01:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 00:01:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 00:01:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 00:01:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 00:01:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 00:01:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 00:01:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 00:01:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 00:01:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 00:01:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 00:01:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 00:01:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 00:01:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 00:01:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 00:01:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 00:01:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 00:01:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 00:01:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-13 00:01:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 00:01:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-13 00:01:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-13 00:01:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 00:01:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 00:01:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-13 00:01:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:01:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-13 00:01:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-13 00:01:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:01:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:01:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 00:01:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-13 00:01:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 00:01:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:01:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-13 00:01:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 00:01:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-13 00:01:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-13 00:01:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 00:01:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-13 00:01:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:01:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-13 00:01:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-13 00:01:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-13 00:01:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-13 00:01:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-13 00:01:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:01:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:01:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-13 00:01:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-13 00:01:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:01:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-13 00:01:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-13 00:01:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-13 00:01:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-13 00:01:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-13 00:01:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-13 00:01:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-13 00:01:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-13 00:01:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-13 00:01:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-13 00:01:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-13 00:01:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-13 00:01:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 00:01:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 00:01:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-13 00:01:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-13 00:01:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_2_11 [2021-10-13 00:01:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-13 00:01:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-13 00:01:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 00:01:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 00:01:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:01:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:01:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:01:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:01:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 00:01:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 00:01:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:01:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:01:58,073 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:01:58,547 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:01:59,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:01:59,037 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-13 00:01:59,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:59 BoogieIcfgContainer [2021-10-13 00:01:59,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:01:59,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:01:59,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:01:59,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:01:59,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:01:56" (1/3) ... [2021-10-13 00:01:59,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c33f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:01:59, skipping insertion in model container [2021-10-13 00:01:59,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:57" (2/3) ... [2021-10-13 00:01:59,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c33f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:01:59, skipping insertion in model container [2021-10-13 00:01:59,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:59" (3/3) ... [2021-10-13 00:01:59,049 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_1.i [2021-10-13 00:01:59,054 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:01:59,055 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2021-10-13 00:01:59,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:01:59,107 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 00:01:59,107 INFO L340 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2021-10-13 00:01:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 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 00:01:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:01:59,135 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:59,136 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:01:59,136 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 92 more)] === [2021-10-13 00:01:59,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:01:59,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2088463859, now seen corresponding path program 1 times [2021-10-13 00:01:59,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:01:59,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450269374] [2021-10-13 00:01:59,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:59,156 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:01:59,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:01:59,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:01:59,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:01:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:59,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:01:59,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:01:59,537 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 00:01:59,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:01:59,684 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 00:01:59,685 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:01:59,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450269374] [2021-10-13 00:01:59,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450269374] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:01:59,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:01:59,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 00:01:59,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094302303] [2021-10-13 00:01:59,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:01:59,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:01:59,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:01:59,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:01:59,724 INFO L87 Difference]: Start difference. First operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 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 00:01:59,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:01:59,852 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2021-10-13 00:01:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:01:59,854 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 00:01:59,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:01:59,869 INFO L225 Difference]: With dead ends: 151 [2021-10-13 00:01:59,869 INFO L226 Difference]: Without dead ends: 148 [2021-10-13 00:01:59,870 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:01:59,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-10-13 00:01:59,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2021-10-13 00:01:59,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5833333333333333) internal successors, (95), 89 states have internal predecessors, (95), 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 00:01:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2021-10-13 00:01:59,945 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 16 [2021-10-13 00:01:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:01:59,946 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2021-10-13 00:01:59,946 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 00:01:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2021-10-13 00:01:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:01:59,948 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:59,948 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:01:59,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:02:00,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:02:00,160 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 92 more)] === [2021-10-13 00:02:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:02:00,160 INFO L82 PathProgramCache]: Analyzing trace with hash -463693102, now seen corresponding path program 1 times [2021-10-13 00:02:00,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:02:00,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988525267] [2021-10-13 00:02:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:02:00,161 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:02:00,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:02:00,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:02:00,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:02:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:02:00,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:02:00,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:02:00,394 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 00:02:00,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:02:00,483 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 00:02:00,483 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:02:00,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988525267] [2021-10-13 00:02:00,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988525267] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:02:00,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:02:00,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:02:00,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339640490] [2021-10-13 00:02:00,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:02:00,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:02:00,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:02:00,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:02:00,496 INFO L87 Difference]: Start difference. First operand 114 states and 126 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 00:02:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:02:00,708 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2021-10-13 00:02:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:02:00,709 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 00:02:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:02:00,711 INFO L225 Difference]: With dead ends: 168 [2021-10-13 00:02:00,711 INFO L226 Difference]: Without dead ends: 165 [2021-10-13 00:02:00,711 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:02:00,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-13 00:02:00,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 110. [2021-10-13 00:02:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 57 states have (on average 1.5964912280701755) internal successors, (91), 86 states have internal predecessors, (91), 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 00:02:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2021-10-13 00:02:00,723 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 16 [2021-10-13 00:02:00,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:02:00,724 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2021-10-13 00:02:00,724 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 00:02:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2021-10-13 00:02:00,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:02:00,725 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:02:00,725 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 00:02:00,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:02:00,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:02:00,936 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 92 more)] === [2021-10-13 00:02:00,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:02:00,937 INFO L82 PathProgramCache]: Analyzing trace with hash -914027467, now seen corresponding path program 1 times [2021-10-13 00:02:00,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:02:00,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082095989] [2021-10-13 00:02:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:02:00,939 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:02:00,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:02:00,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:02:00,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 00:02:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:02:01,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:02:01,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:02:01,203 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 00:02:01,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:02:01,290 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 00:02:01,290 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:02:01,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082095989] [2021-10-13 00:02:01,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082095989] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:02:01,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:02:01,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 00:02:01,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685092016] [2021-10-13 00:02:01,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:02:01,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:02:01,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:02:01,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:02:01,301 INFO L87 Difference]: Start difference. First operand 110 states and 118 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 00:02:01,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:02:01,393 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2021-10-13 00:02:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:02:01,394 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 00:02:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:02:01,395 INFO L225 Difference]: With dead ends: 145 [2021-10-13 00:02:01,396 INFO L226 Difference]: Without dead ends: 145 [2021-10-13 00:02:01,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:02:01,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-13 00:02:01,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2021-10-13 00:02:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 89 states have internal predecessors, (94), 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 00:02:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2021-10-13 00:02:01,413 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 21 [2021-10-13 00:02:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:02:01,414 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2021-10-13 00:02:01,414 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 00:02:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2021-10-13 00:02:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:02:01,415 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:02:01,417 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 00:02:01,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:02:01,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:02:01,633 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 92 more)] === [2021-10-13 00:02:01,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:02:01,634 INFO L82 PathProgramCache]: Analyzing trace with hash -914027434, now seen corresponding path program 1 times [2021-10-13 00:02:01,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:02:01,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500024764] [2021-10-13 00:02:01,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:02:01,635 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:02:01,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:02:01,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:02:01,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 00:02:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:02:01,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:02:01,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:02:01,880 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 00:02:02,021 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 00:02:02,021 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 00:02:02,066 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 00:02:02,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:02:02,336 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 00:02:02,337 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:02:02,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500024764] [2021-10-13 00:02:02,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500024764] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:02:02,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:02:02,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-13 00:02:02,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164697149] [2021-10-13 00:02:02,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:02:02,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:02:02,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:02:02,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:02:02,345 INFO L87 Difference]: Start difference. First operand 114 states and 125 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 00:02:03,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:02:03,593 INFO L93 Difference]: Finished difference Result 227 states and 264 transitions. [2021-10-13 00:02:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 00:02:03,594 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 00:02:03,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:02:03,597 INFO L225 Difference]: With dead ends: 227 [2021-10-13 00:02:03,597 INFO L226 Difference]: Without dead ends: 227 [2021-10-13 00:02:03,598 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 224.7ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:02:03,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-13 00:02:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 129. [2021-10-13 00:02:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 100 states have internal predecessors, (112), 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 00:02:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2021-10-13 00:02:03,612 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 21 [2021-10-13 00:02:03,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:02:03,613 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2021-10-13 00:02:03,613 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 00:02:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2021-10-13 00:02:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:02:03,614 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:02:03,614 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 00:02:03,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:02:03,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:02:03,826 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 92 more)] === [2021-10-13 00:02:03,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:02:03,827 INFO L82 PathProgramCache]: Analyzing trace with hash -914027433, now seen corresponding path program 1 times [2021-10-13 00:02:03,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:02:03,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110559424] [2021-10-13 00:02:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:02:03,827 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:02:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:02:03,828 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:02:03,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 00:02:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:02:04,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:02:04,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:02:04,077 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 00:02:04,083 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 00:02:06,417 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 00:02:06,418 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 00:02:06,430 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 00:02:06,430 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 00:02:06,508 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 00:02:06,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:02:10,900 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 00:02:14,226 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 00:02:14,305 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 00:02:14,305 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:02:14,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110559424] [2021-10-13 00:02:14,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110559424] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:02:14,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:02:14,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-13 00:02:14,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371597373] [2021-10-13 00:02:14,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 00:02:14,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:02:14,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 00:02:14,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=174, Unknown=3, NotChecked=26, Total=240 [2021-10-13 00:02:14,308 INFO L87 Difference]: Start difference. First operand 129 states and 146 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 00:02:52,228 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv4 32) c_entry_point_~c11~0.offset))) (and (bvule c_entry_point_~c11~0.offset .cse0) (forall ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (or (and (bvule c_entry_point_~c11~0.offset (bvadd (_ bv4 32) c_entry_point_~c11~0.offset)) (forall ((v_ldv_malloc_~size_31 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) c_entry_point_~c11~0.offset) (select (store |c_#length| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) c_entry_point_~c11~0.base)))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_35|)))))))) (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (bvule .cse0 (select |c_#length| c_entry_point_~c11~0.base)))) is different from false [2021-10-13 00:04:28,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:04:28,029 INFO L93 Difference]: Finished difference Result 327 states and 379 transitions. [2021-10-13 00:04:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-13 00:04:28,030 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 00:04:28,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:04:28,033 INFO L225 Difference]: With dead ends: 327 [2021-10-13 00:04:28,033 INFO L226 Difference]: Without dead ends: 327 [2021-10-13 00:04:28,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 48066.2ms TimeCoverageRelationStatistics Valid=118, Invalid=577, Unknown=15, NotChecked=102, Total=812 [2021-10-13 00:04:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-10-13 00:04:28,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 166. [2021-10-13 00:04:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 100 states have (on average 1.58) internal successors, (158), 129 states have internal predecessors, (158), 22 states have call successors, (22), 12 states have call predecessors, (22), 14 states have return successors, (33), 24 states have call predecessors, (33), 21 states have call successors, (33) [2021-10-13 00:04:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2021-10-13 00:04:28,049 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 213 transitions. Word has length 21 [2021-10-13 00:04:28,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:04:28,049 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 213 transitions. [2021-10-13 00:04:28,049 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 00:04:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2021-10-13 00:04:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:04:28,051 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:04:28,051 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 00:04:28,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:28,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:04:28,272 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 92 more)] === [2021-10-13 00:04:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:28,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1207430441, now seen corresponding path program 1 times [2021-10-13 00:04:28,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:04:28,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481477333] [2021-10-13 00:04:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:28,273 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:04:28,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:04:28,274 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:04:28,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 00:04:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:28,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:04:28,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:28,573 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 00:04:28,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:04:28,718 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 00:04:28,718 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:04:28,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481477333] [2021-10-13 00:04:28,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481477333] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 00:04:28,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:04:28,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-13 00:04:28,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514107425] [2021-10-13 00:04:28,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:04:28,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:04:28,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:04:28,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:04:28,720 INFO L87 Difference]: Start difference. First operand 166 states and 213 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 00:04:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:04:28,754 INFO L93 Difference]: Finished difference Result 147 states and 179 transitions. [2021-10-13 00:04:28,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:04:28,754 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 00:04:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:04:28,756 INFO L225 Difference]: With dead ends: 147 [2021-10-13 00:04:28,756 INFO L226 Difference]: Without dead ends: 143 [2021-10-13 00:04:28,756 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:04:28,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-13 00:04:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-10-13 00:04:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 85 states have (on average 1.5647058823529412) internal successors, (133), 111 states have internal predecessors, (133), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (24), 20 states have call predecessors, (24), 17 states have call successors, (24) [2021-10-13 00:04:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 175 transitions. [2021-10-13 00:04:28,765 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 175 transitions. Word has length 21 [2021-10-13 00:04:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:04:28,765 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 175 transitions. [2021-10-13 00:04:28,765 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 00:04:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2021-10-13 00:04:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:04:28,766 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:04:28,766 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 00:04:28,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:28,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:04:28,978 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 92 more)] === [2021-10-13 00:04:28,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:28,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1677543537, now seen corresponding path program 1 times [2021-10-13 00:04:28,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:04:28,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407166303] [2021-10-13 00:04:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:28,979 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:04:28,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:04:28,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:04:28,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 00:04:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:29,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:04:29,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:29,501 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 00:04:29,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:04:29,703 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 00:04:29,703 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:04:29,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407166303] [2021-10-13 00:04:29,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407166303] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:04:29,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:04:29,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-13 00:04:29,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413569261] [2021-10-13 00:04:29,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:04:29,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:04:29,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:04:29,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:04:29,706 INFO L87 Difference]: Start difference. First operand 143 states and 175 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 00:04:30,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:04:30,144 INFO L93 Difference]: Finished difference Result 142 states and 173 transitions. [2021-10-13 00:04:30,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:04:30,145 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 00:04:30,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:04:30,147 INFO L225 Difference]: With dead ends: 142 [2021-10-13 00:04:30,147 INFO L226 Difference]: Without dead ends: 142 [2021-10-13 00:04:30,147 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 187.7ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:04:30,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-13 00:04:30,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-10-13 00:04:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 85 states have (on average 1.5411764705882354) internal successors, (131), 110 states have internal predecessors, (131), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (24), 20 states have call predecessors, (24), 17 states have call successors, (24) [2021-10-13 00:04:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 173 transitions. [2021-10-13 00:04:30,155 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 173 transitions. Word has length 22 [2021-10-13 00:04:30,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:04:30,156 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 173 transitions. [2021-10-13 00:04:30,156 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 00:04:30,156 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2021-10-13 00:04:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:04:30,157 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:04:30,157 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 00:04:30,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:30,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:04:30,369 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 92 more)] === [2021-10-13 00:04:30,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:30,370 INFO L82 PathProgramCache]: Analyzing trace with hash -426625510, now seen corresponding path program 1 times [2021-10-13 00:04:30,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:04:30,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475559409] [2021-10-13 00:04:30,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:30,370 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:04:30,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:04:30,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:04:30,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 00:04:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:30,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 00:04:30,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:30,866 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 00:04:30,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:04:39,258 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| (store |c_#valid| c_entry_point_~c11~0.base (_ bv0 1))) (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 00:04:39,534 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:04:39,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475559409] [2021-10-13 00:04:39,534 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 00:04:39,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [88825044] [2021-10-13 00:04:39,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:39,535 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 00:04:39,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/cvc4 [2021-10-13 00:04:39,540 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 00:04:39,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-13 00:04:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:39,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:04:39,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:40,020 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-13 00:04:40,021 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 00:04:46,446 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 00:04:46,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:04:57,096 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 00:04:57,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907454921] [2021-10-13 00:04:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:57,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:04:57,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,098 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-13 00:04:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:57,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 00:04:57,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:57,570 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 00:04:57,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:05:10,068 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 00:05:10,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:05:10,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-13 00:05:10,069 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-13 00:05:10,069 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-13 00:05:10,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 00:05:10,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-13 00:05:10,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-13 00:05:10,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-13 00:05:10,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-13 00:05:10,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-13 00:05:10,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-13 00:05:10,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-13 00:05:10,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-13 00:05:10,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err0REQUIRES_VIOLATION [2021-10-13 00:05:10,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err1REQUIRES_VIOLATION [2021-10-13 00:05:10,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err2REQUIRES_VIOLATION [2021-10-13 00:05:10,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err3REQUIRES_VIOLATION [2021-10-13 00:05:10,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err4REQUIRES_VIOLATION [2021-10-13 00:05:10,090 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err5REQUIRES_VIOLATION [2021-10-13 00:05:10,090 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,090 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,090 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,090 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-13 00:05:10,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-13 00:05:10,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-13 00:05:10,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-13 00:05:10,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:05:10,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:10,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:10,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:10,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt [2021-10-13 00:05:10,727 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:05:10,737 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-13 00:05:10,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:05:10 BoogieIcfgContainer [2021-10-13 00:05:10,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:05:10,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:05:10,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:05:10,756 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:05:10,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:59" (3/4) ... [2021-10-13 00:05:10,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:05:10,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:05:10,761 INFO L168 Benchmark]: Toolchain (without parser) took 194235.62 ms. Allocated memory was 56.6 MB in the beginning and 123.7 MB in the end (delta: 67.1 MB). Free memory was 33.2 MB in the beginning and 62.3 MB in the end (delta: -29.1 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:10,762 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 45.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:05:10,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.36 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.0 MB in the beginning and 39.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:10,763 INFO L168 Benchmark]: Boogie Preprocessor took 134.29 ms. Allocated memory is still 75.5 MB. Free memory was 39.5 MB in the beginning and 55.4 MB in the end (delta: -15.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:10,763 INFO L168 Benchmark]: RCFGBuilder took 1661.23 ms. Allocated memory is still 75.5 MB. Free memory was 55.4 MB in the beginning and 47.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:10,764 INFO L168 Benchmark]: TraceAbstraction took 191712.13 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 47.1 MB in the beginning and 62.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:10,764 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 123.7 MB. Free memory was 62.5 MB in the beginning and 62.3 MB in the end (delta: 195.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:05:10,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 45.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.36 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.0 MB in the beginning and 39.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.29 ms. Allocated memory is still 75.5 MB. Free memory was 39.5 MB in the beginning and 55.4 MB in the end (delta: -15.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1661.23 ms. Allocated memory is still 75.5 MB. Free memory was 55.4 MB in the beginning and 47.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 191712.13 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 47.1 MB in the beginning and 62.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.14 ms. Allocated memory is still 123.7 MB. Free memory was 62.5 MB in the beginning and 62.3 MB in the end (delta: 195.5 kB). 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: 823]: 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 823. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L824] CALL entry_point() [L803] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L803] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L803] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L804] COND FALSE !(!c11) [L806] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L806] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L805-L806] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L807] COND TRUE !cfg [L819] free(c11) [L819] free(c11) [L819] free(c11) [L824] 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: 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: 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: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: 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: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: 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, 410 locations, 96 error locations. Started 1 CEGAR loops. OverallTime: 191618.2ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 20.3ms, AutomataDifference: 135953.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 897 SDtfs, 1076 SDslu, 2497 SDs, 0 SdLazy, 2021 SolverSat, 317 SolverUnsat, 43 SolverUnknown, 0 SolverNotchecked, 93109.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 227 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 48547.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 132.7ms AutomataMinimizationTime, 7 MinimizatonAttempts, 379 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 75.8ms SsaConstructionTime, 179.8ms SatisfiabilityAnalysisTime, 12217.5ms 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 00:05:10,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b364f3-1067-4356-adc9-c5b6c3855c5d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...