./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be --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 d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc ................................................................................................................................... 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_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be --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 d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:29:53,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:29:53,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:29:53,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:29:53,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:29:53,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:29:53,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:29:53,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:29:53,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:29:53,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:29:53,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:29:53,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:29:53,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:29:53,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:29:53,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:29:53,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:29:53,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:29:53,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:29:53,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:29:53,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:29:54,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:29:54,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:29:54,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:29:54,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:29:54,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:29:54,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:29:54,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:29:54,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:29:54,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:29:54,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:29:54,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:29:54,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:29:54,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:29:54,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:29:54,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:29:54,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:29:54,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:29:54,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:29:54,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:29:54,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:29:54,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:29:54,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:29:54,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:29:54,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:29:54,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:29:54,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:29:54,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:29:54,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:29:54,055 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:29:54,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:29:54,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:29:54,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:29:54,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:29:54,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:29:54,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:29:54,057 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:29:54,058 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:29:54,058 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:29:54,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:29:54,059 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:29:54,059 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:29:54,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:29:54,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:29:54,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:29:54,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:29:54,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:29:54,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:29:54,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:29:54,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:29:54,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:29:54,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:29:54,064 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_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc [2021-10-21 19:29:54,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:29:54,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:29:54,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:29:54,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:29:54,346 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:29:54,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-21 19:29:54,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/81bcb92a1/2d0ee085e5b549afa68889bd0c6bbe72/FLAGd5e29a8ce [2021-10-21 19:29:55,042 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:29:55,043 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-21 19:29:55,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/81bcb92a1/2d0ee085e5b549afa68889bd0c6bbe72/FLAGd5e29a8ce [2021-10-21 19:29:55,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/81bcb92a1/2d0ee085e5b549afa68889bd0c6bbe72 [2021-10-21 19:29:55,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:29:55,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:29:55,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:29:55,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:29:55,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:29:55,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:29:55" (1/1) ... [2021-10-21 19:29:55,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e21129e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:55, skipping insertion in model container [2021-10-21 19:29:55,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:29:55" (1/1) ... [2021-10-21 19:29:55,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:29:55,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:29:55,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:29:56,010 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) [2021-10-21 19:29:56,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@607f073e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:56, skipping insertion in model container [2021-10-21 19:29:56,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:29:56,012 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:29:56,014 INFO L168 Benchmark]: Toolchain (without parser) took 748.86 ms. Allocated memory is still 109.1 MB. Free memory was 65.9 MB in the beginning and 79.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:56,016 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 83.5 MB in the end (delta: 68.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:29:56,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.19 ms. Allocated memory is still 109.1 MB. Free memory was 65.7 MB in the beginning and 79.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:56,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 83.5 MB in the end (delta: 68.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 742.19 ms. Allocated memory is still 109.1 MB. Free memory was 65.7 MB in the beginning and 79.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.7 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-e943c26 [2021-10-21 19:29:58,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:29:58,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:29:58,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:29:58,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:29:58,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:29:58,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:29:58,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:29:58,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:29:58,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:29:58,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:29:58,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:29:58,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:29:58,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:29:58,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:29:58,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:29:58,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:29:58,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:29:58,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:29:58,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:29:58,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:29:58,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:29:58,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:29:58,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:29:58,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:29:58,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:29:58,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:29:58,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:29:58,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:29:58,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:29:58,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:29:58,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:29:58,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:29:58,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:29:58,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:29:58,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:29:58,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:29:58,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:29:58,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:29:58,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:29:58,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:29:58,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:29:58,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:29:58,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:29:58,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:29:58,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:29:58,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:29:58,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:29:58,891 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:29:58,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:29:58,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:29:58,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:29:58,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:29:58,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:29:58,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:29:58,892 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:29:58,893 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:29:58,893 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:29:58,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:29:58,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:29:58,895 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:29:58,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:29:58,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:29:58,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:29:58,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:29:58,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:29:58,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:29:58,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:29:58,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:29:58,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:29:58,898 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:29:58,898 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:29:58,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:29:58,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:29:58,899 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_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc [2021-10-21 19:29:59,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:29:59,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:29:59,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:29:59,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:29:59,321 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:29:59,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-21 19:29:59,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/d8d9c8ade/9196bd4134ac475e9660ae0abd417675/FLAGcea1a94ce [2021-10-21 19:30:00,135 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:30:00,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-21 19:30:00,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/d8d9c8ade/9196bd4134ac475e9660ae0abd417675/FLAGcea1a94ce [2021-10-21 19:30:00,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/data/d8d9c8ade/9196bd4134ac475e9660ae0abd417675 [2021-10-21 19:30:00,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:30:00,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:30:00,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:00,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:30:00,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:30:00,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:00" (1/1) ... [2021-10-21 19:30:00,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eee9434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:00, skipping insertion in model container [2021-10-21 19:30:00,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:00" (1/1) ... [2021-10-21 19:30:00,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:30:00,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:01,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:01,067 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:30:01,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:01,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:01,203 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:30:01,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:01,343 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:30:01,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01 WrapperNode [2021-10-21 19:30:01,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:01,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:30:01,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:30:01,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:30:01,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:30:01,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:30:01,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:30:01,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:30:01,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (1/1) ... [2021-10-21 19:30:01,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:01,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:01,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:30:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:30:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:30:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:30:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:30:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:30:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:30:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:30:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:30:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:30:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:30:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:30:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:30:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:30:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:30:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:30:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:30:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:30:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:30:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:30:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:30:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:30:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:30:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:30:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:30:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:30:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:30:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:30:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:30:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:30:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:30:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:30:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:30:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:30:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:30:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:30:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:30:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:30:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:30:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:30:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:30:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:30:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:30:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-21 19:30:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-21 19:30:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_11 [2021-10-21 19:30:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-21 19:30:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:30:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:30:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:30:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:30:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:30:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:30:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:30:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:30:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:30:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:30:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:30:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:30:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:30:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:30:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:30:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:30:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:30:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:30:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:30:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:30:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:30:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:30:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:30:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:30:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:30:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:30:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:30:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:30:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:30:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:30:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:30:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:30:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:30:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:30:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:30:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:30:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:30:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:30:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:30:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:30:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:30:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:30:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:30:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:30:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:30:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:30:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:30:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:30:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:30:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:30:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:30:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:30:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:30:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:30:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:30:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:30:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:30:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:30:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:30:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:30:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:30:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:30:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:30:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:30:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:30:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:30:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:30:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:30:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:30:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:30:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:30:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:30:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:30:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:30:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:30:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:30:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:30:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:30:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:30:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:30:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:30:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:30:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:30:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:30:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:30:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:30:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:30:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:30:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:30:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:30:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:30:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:30:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:30:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:30:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:30:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:30:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:30:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:30:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:30:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:30:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:30:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:30:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:30:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:30:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:30:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:30:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:30:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:30:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:30:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:30:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:30:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:30:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:30:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:30:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:30:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:30:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:30:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:30:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:30:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:30:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:30:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:30:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:30:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:30:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:30:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:30:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:30:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:30:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:30:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:30:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:30:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:30:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:30:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:30:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:30:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:30:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:30:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:30:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:30:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:30:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:30:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:30:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:30:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:30:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:30:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:30:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:30:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:30:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:30:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:30:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:30:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:30:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:30:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:30:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:30:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:30:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:30:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:30:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:30:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-21 19:30:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-21 19:30:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_11 [2021-10-21 19:30:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-21 19:30:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:30:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:30:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:30:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:30:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:30:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:30:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:30:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:30:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:30:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:30:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:30:02,248 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:30:02,683 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:30:03,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:30:03,128 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:30:03,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:03 BoogieIcfgContainer [2021-10-21 19:30:03,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:30:03,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:30:03,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:30:03,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:30:03,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:30:00" (1/3) ... [2021-10-21 19:30:03,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312fdc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:03, skipping insertion in model container [2021-10-21 19:30:03,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:01" (2/3) ... [2021-10-21 19:30:03,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312fdc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:03, skipping insertion in model container [2021-10-21 19:30:03,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:03" (3/3) ... [2021-10-21 19:30:03,142 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11.i [2021-10-21 19:30:03,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:30:03,150 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-10-21 19:30:03,217 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:30:03,227 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:30:03,228 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-10-21 19:30:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-10-21 19:30:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:30:03,300 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:03,301 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:03,302 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:30:03,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:03,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1516499371, now seen corresponding path program 1 times [2021-10-21 19:30:03,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:03,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163936330] [2021-10-21 19:30:03,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:03,327 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:03,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:03,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:30:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:03,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:30:03,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:03,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:30:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:03,956 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:30:03,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163936330] [2021-10-21 19:30:03,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163936330] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:30:03,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:30:03,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-21 19:30:03,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422858290] [2021-10-21 19:30:03,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:30:03,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:30:03,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:30:03,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:30:04,003 INFO L87 Difference]: Start difference. First operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:30:04,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:04,141 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-10-21 19:30:04,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:30:04,144 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 [2021-10-21 19:30:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:04,161 INFO L225 Difference]: With dead ends: 146 [2021-10-21 19:30:04,161 INFO L226 Difference]: Without dead ends: 143 [2021-10-21 19:30:04,163 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:30:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-21 19:30:04,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-10-21 19:30:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-21 19:30:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-10-21 19:30:04,263 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-10-21 19:30:04,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:04,264 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-10-21 19:30:04,264 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) [2021-10-21 19:30:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-10-21 19:30:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:30:04,268 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:04,268 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:04,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:04,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:04,487 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:30:04,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:04,487 INFO L82 PathProgramCache]: Analyzing trace with hash 226310964, now seen corresponding path program 1 times [2021-10-21 19:30:04,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:04,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400066164] [2021-10-21 19:30:04,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:04,489 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:04,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:04,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:30:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:04,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:30:04,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:04,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:30:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:04,959 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:30:04,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400066164] [2021-10-21 19:30:04,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400066164] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:30:04,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:30:04,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:30:04,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312991680] [2021-10-21 19:30:04,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:30:04,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:30:04,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:30:04,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:30:04,974 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-21 19:30:05,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:05,250 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-10-21 19:30:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:30:05,251 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 [2021-10-21 19:30:05,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:05,253 INFO L225 Difference]: With dead ends: 158 [2021-10-21 19:30:05,254 INFO L226 Difference]: Without dead ends: 155 [2021-10-21 19:30:05,254 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:30:05,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-21 19:30:05,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-10-21 19:30:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 81 states have internal predecessors, (86), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-21 19:30:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-10-21 19:30:05,281 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-10-21 19:30:05,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:05,281 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-10-21 19:30:05,282 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) [2021-10-21 19:30:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-10-21 19:30:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:30:05,283 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:05,283 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:05,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:05,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:05,506 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:30:05,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:05,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206166, now seen corresponding path program 1 times [2021-10-21 19:30:05,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:05,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062476481] [2021-10-21 19:30:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:05,514 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:05,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:05,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:05,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:30:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:05,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:30:05,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:30:05,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:30:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:30:05,944 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:30:05,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062476481] [2021-10-21 19:30:05,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062476481] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:30:05,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:30:05,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-21 19:30:05,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505954118] [2021-10-21 19:30:05,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:30:05,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:30:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:30:05,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:30:05,950 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:30:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:06,062 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-10-21 19:30:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:30:06,063 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 [2021-10-21 19:30:06,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:06,065 INFO L225 Difference]: With dead ends: 140 [2021-10-21 19:30:06,067 INFO L226 Difference]: Without dead ends: 140 [2021-10-21 19:30:06,069 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:30:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-21 19:30:06,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-10-21 19:30:06,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-21 19:30:06,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-10-21 19:30:06,085 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-10-21 19:30:06,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:06,086 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-10-21 19:30:06,087 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) [2021-10-21 19:30:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-10-21 19:30:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:30:06,088 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:06,088 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:06,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:06,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:06,289 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:30:06,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:06,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206133, now seen corresponding path program 1 times [2021-10-21 19:30:06,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:06,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76032779] [2021-10-21 19:30:06,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:06,291 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:06,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:06,292 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:06,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:30:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:06,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:30:06,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:06,595 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 [2021-10-21 19:30:06,770 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-21 19:30:06,771 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 [2021-10-21 19:30:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:06,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:30:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:07,211 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:30:07,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76032779] [2021-10-21 19:30:07,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76032779] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 19:30:07,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:30:07,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-21 19:30:07,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413210346] [2021-10-21 19:30:07,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:30:07,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:30:07,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:30:07,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:30:07,219 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:30:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:08,628 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2021-10-21 19:30:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:30:08,629 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 [2021-10-21 19:30:08,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:08,633 INFO L225 Difference]: With dead ends: 205 [2021-10-21 19:30:08,633 INFO L226 Difference]: Without dead ends: 205 [2021-10-21 19:30:08,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 287.3ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-21 19:30:08,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-21 19:30:08,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 124. [2021-10-21 19:30:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 95 states have internal predecessors, (107), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-10-21 19:30:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2021-10-21 19:30:08,676 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 21 [2021-10-21 19:30:08,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:08,677 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2021-10-21 19:30:08,677 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) [2021-10-21 19:30:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-10-21 19:30:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:30:08,680 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:08,680 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:08,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:08,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:08,896 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:30:08,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:08,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206132, now seen corresponding path program 1 times [2021-10-21 19:30:08,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:08,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273440042] [2021-10-21 19:30:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:08,898 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:08,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:08,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:30:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:09,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:30:09,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:09,187 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 [2021-10-21 19:30:09,194 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 [2021-10-21 19:30:11,550 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-21 19:30:11,550 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 [2021-10-21 19:30:11,564 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-21 19:30:11,565 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 [2021-10-21 19:30:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:11,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:30:38,107 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 [2021-10-21 19:30:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:40,196 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:30:40,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273440042] [2021-10-21 19:30:40,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273440042] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 19:30:40,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:30:40,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-21 19:30:40,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714443952] [2021-10-21 19:30:40,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-21 19:30:40,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:30:40,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-21 19:30:40,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=190, Unknown=12, NotChecked=0, Total=240 [2021-10-21 19:30:40,199 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-21 19:31:35,684 WARN L207 SmtUtils]: Spent 6.21 s on a formula simplification that was a NOOP. DAG size: 74 [2021-10-21 19:31:51,796 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 [2021-10-21 19:34:50,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:34:50,200 INFO L93 Difference]: Finished difference Result 283 states and 322 transitions. [2021-10-21 19:34:50,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-21 19:34:50,202 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 [2021-10-21 19:34:50,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:34:50,204 INFO L225 Difference]: With dead ends: 283 [2021-10-21 19:34:50,204 INFO L226 Difference]: Without dead ends: 283 [2021-10-21 19:34:50,205 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 67540.3ms TimeCoverageRelationStatistics Valid=155, Invalid=761, Unknown=18, NotChecked=58, Total=992 [2021-10-21 19:34:50,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-21 19:34:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 144. [2021-10-21 19:34:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 86 states have (on average 1.5348837209302326) internal successors, (132), 111 states have internal predecessors, (132), 19 states have call successors, (19), 12 states have call predecessors, (19), 12 states have return successors, (24), 20 states have call predecessors, (24), 18 states have call successors, (24) [2021-10-21 19:34:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 175 transitions. [2021-10-21 19:34:50,224 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 175 transitions. Word has length 21 [2021-10-21 19:34:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:34:50,224 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 175 transitions. [2021-10-21 19:34:50,225 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) [2021-10-21 19:34:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 175 transitions. [2021-10-21 19:34:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:34:50,225 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:34:50,226 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:34:50,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:34:50,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:34:50,429 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:34:50,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:34:50,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1817609140, now seen corresponding path program 1 times [2021-10-21 19:34:50,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:34:50,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627393536] [2021-10-21 19:34:50,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:34:50,430 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:34:50,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:34:50,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:34:50,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-21 19:34:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:34:50,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:34:50,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:34:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:34:50,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:34:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:34:50,946 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:34:50,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627393536] [2021-10-21 19:34:50,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627393536] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-21 19:34:50,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:34:50,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-21 19:34:50,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219653604] [2021-10-21 19:34:50,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:34:50,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:34:50,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:34:50,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:34:50,948 INFO L87 Difference]: Start difference. First operand 144 states and 175 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) [2021-10-21 19:34:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:34:50,985 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2021-10-21 19:34:50,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:34:50,986 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 [2021-10-21 19:34:50,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:34:50,987 INFO L225 Difference]: With dead ends: 115 [2021-10-21 19:34:50,987 INFO L226 Difference]: Without dead ends: 111 [2021-10-21 19:34:50,987 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:34:50,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-21 19:34:50,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-21 19:34:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 85 states have internal predecessors, (92), 14 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (16), 14 states have call predecessors, (16), 13 states have call successors, (16) [2021-10-21 19:34:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2021-10-21 19:34:50,993 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 21 [2021-10-21 19:34:50,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:34:50,993 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2021-10-21 19:34:50,993 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) [2021-10-21 19:34:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2021-10-21 19:34:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:34:50,994 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:34:50,995 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] [2021-10-21 19:34:51,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:34:51,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:34:51,200 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:34:51,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:34:51,201 INFO L82 PathProgramCache]: Analyzing trace with hash 881753269, now seen corresponding path program 1 times [2021-10-21 19:34:51,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:34:51,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142200933] [2021-10-21 19:34:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:34:51,201 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:34:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:34:51,202 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:34:51,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-21 19:34:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:34:51,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:34:51,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:34:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:34:51,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:34:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:34:51,948 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:34:51,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142200933] [2021-10-21 19:34:51,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [142200933] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-21 19:34:51,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:34:51,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-21 19:34:51,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930290275] [2021-10-21 19:34:51,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:34:51,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:34:51,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:34:51,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:34:51,951 INFO L87 Difference]: Start difference. First operand 111 states and 122 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) [2021-10-21 19:34:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:34:52,450 INFO L93 Difference]: Finished difference Result 110 states and 120 transitions. [2021-10-21 19:34:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:34:52,451 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 [2021-10-21 19:34:52,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:34:52,452 INFO L225 Difference]: With dead ends: 110 [2021-10-21 19:34:52,452 INFO L226 Difference]: Without dead ends: 110 [2021-10-21 19:34:52,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 197.7ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:34:52,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-21 19:34:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-21 19:34:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (16), 14 states have call predecessors, (16), 13 states have call successors, (16) [2021-10-21 19:34:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2021-10-21 19:34:52,460 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 22 [2021-10-21 19:34:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:34:52,460 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2021-10-21 19:34:52,460 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) [2021-10-21 19:34:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2021-10-21 19:34:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:34:52,462 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:34:52,462 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] [2021-10-21 19:34:52,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:34:52,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:34:52,666 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-21 19:34:52,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:34:52,666 INFO L82 PathProgramCache]: Analyzing trace with hash 466132951, now seen corresponding path program 1 times [2021-10-21 19:34:52,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:34:52,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959970570] [2021-10-21 19:34:52,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:34:52,666 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:34:52,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:34:52,668 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:34:52,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-21 19:34:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:34:52,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 19:34:52,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:34:52,918 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-21 19:34:52,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-21 19:34:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:34:57,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:35:08,866 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:35:08,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959970570] [2021-10-21 19:35:08,867 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))} [2021-10-21 19:35:08,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1897728210] [2021-10-21 19:35:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:08,868 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-21 19:35:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/cvc4 [2021-10-21 19:35:08,875 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-21 19:35:08,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-21 19:35:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:09,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:35:09,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:35:09,322 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-21 19:35:09,322 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 24 treesize of output 27 [2021-10-21 19:35:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:35:09,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:35:20,364 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))} [2021-10-21 19:35:20,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570982710] [2021-10-21 19:35:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:35:20,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:35:20,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:35:20,373 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:35:20,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-21 19:35:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:35:20,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:35:20,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:35:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:35:22,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:35:35,735 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))} [2021-10-21 19:35:35,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:35:35,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-21 19:35:35,736 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-21 19:35:35,736 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-21 19:35:35,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:35:35,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:35:35,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:35:35,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:35:35,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:35:35,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:35:35,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:35:35,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err0REQUIRES_VIOLATION [2021-10-21 19:35:35,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err1REQUIRES_VIOLATION [2021-10-21 19:35:35,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err2REQUIRES_VIOLATION [2021-10-21 19:35:35,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err3REQUIRES_VIOLATION [2021-10-21 19:35:35,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err4REQUIRES_VIOLATION [2021-10-21 19:35:35,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err5REQUIRES_VIOLATION [2021-10-21 19:35:35,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:35:35,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:35:35,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-21 19:35:35,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-21 19:35:35,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-21 19:35:35,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-21 19:35:35,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:35:35,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:35,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:36,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:35:36,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:35:36,369 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:35:36,372 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-21 19:35:36,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:35:36 BoogieIcfgContainer [2021-10-21 19:35:36,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:35:36,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:35:36,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:35:36,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:35:36,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:03" (3/4) ... [2021-10-21 19:35:36,392 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:35:36,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:35:36,394 INFO L168 Benchmark]: Toolchain (without parser) took 336032.79 ms. Allocated memory was 54.5 MB in the beginning and 104.9 MB in the end (delta: 50.3 MB). Free memory was 28.9 MB in the beginning and 49.0 MB in the end (delta: -20.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:36,394 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 34.3 MB in the beginning and 34.3 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:35:36,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 972.00 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 28.7 MB in the beginning and 41.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:36,395 INFO L168 Benchmark]: Boogie Preprocessor took 133.58 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 36.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:36,396 INFO L168 Benchmark]: RCFGBuilder took 1652.63 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 36.2 MB in the beginning and 55.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:36,396 INFO L168 Benchmark]: TraceAbstraction took 333250.24 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 55.4 MB in the beginning and 49.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:35:36,397 INFO L168 Benchmark]: Witness Printer took 5.83 ms. Allocated memory is still 104.9 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:35:36,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 34.3 MB in the beginning and 34.3 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 972.00 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 28.7 MB in the beginning and 41.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.58 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 36.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1652.63 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 36.2 MB in the beginning and 55.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 333250.24 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 55.4 MB in the beginning and 49.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.83 ms. Allocated memory is still 104.9 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 822]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 333152.4ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 52.5ms, AutomataDifference: 252558.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 847 SDtfs, 926 SDslu, 2257 SDs, 0 SdLazy, 1898 SolverSat, 278 SolverUnsat, 97 SolverUnknown, 0 SolverNotchecked, 209988.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 226 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 68113.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 198.2ms AutomataMinimizationTime, 7 MinimizatonAttempts, 335 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 89.1ms SsaConstructionTime, 211.3ms SatisfiabilityAnalysisTime, 33386.8ms 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 [2021-10-21 19:35:36,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68f6a6-89cf-4113-8ba8-ee71c77e4034/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...