./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 ................................................................................................................................... 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_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:25:10,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:25:10,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:25:10,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:25:10,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:25:10,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:25:10,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:25:10,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:25:10,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:25:10,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:25:10,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:25:10,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:25:10,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:25:10,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:25:10,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:25:10,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:25:10,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:25:10,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:25:10,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:25:10,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:25:10,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:25:10,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:25:10,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:25:10,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:25:10,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:25:10,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:25:10,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:25:10,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:25:10,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:25:10,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:25:10,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:25:10,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:25:10,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:25:10,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:25:10,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:25:10,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:25:10,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:25:10,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:25:10,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:25:10,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:25:10,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:25:10,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:25:10,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:25:10,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:25:10,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:25:10,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:25:10,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:25:10,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:25:10,894 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:25:10,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:25:10,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:25:10,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:25:10,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:25:10,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:25:10,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:25:10,897 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:25:10,898 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:25:10,898 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:25:10,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:25:10,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:25:10,899 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:25:10,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:25:10,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:25:10,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:25:10,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:25:10,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:25:10,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:25:10,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:25:10,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:25:10,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:25:10,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:25:10,904 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_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 [2021-10-28 23:25:11,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:25:11,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:25:11,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:25:11,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:25:11,243 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:25:11,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 23:25:11,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/297a310b1/c2464abba3f543f38370d8fc652c4eaa/FLAGbcd0558ee [2021-10-28 23:25:12,013 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:25:12,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 23:25:12,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/297a310b1/c2464abba3f543f38370d8fc652c4eaa/FLAGbcd0558ee [2021-10-28 23:25:12,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/297a310b1/c2464abba3f543f38370d8fc652c4eaa [2021-10-28 23:25:12,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:25:12,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:25:12,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:12,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:25:12,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:25:12,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:12" (1/1) ... [2021-10-28 23:25:12,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47484b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:12, skipping insertion in model container [2021-10-28 23:25:12,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:12" (1/1) ... [2021-10-28 23:25:12,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:25:12,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:25:12,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:12,841 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 23:25:12,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45d5c0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:12, skipping insertion in model container [2021-10-28 23:25:12,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:12,842 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:25:12,845 INFO L168 Benchmark]: Toolchain (without parser) took 589.50 ms. Allocated memory is still 121.6 MB. Free memory was 90.9 MB in the beginning and 90.1 MB in the end (delta: 809.0 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:12,846 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 121.6 MB. Free memory was 75.8 MB in the beginning and 75.8 MB in the end (delta: 53.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:25:12,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.19 ms. Allocated memory is still 121.6 MB. Free memory was 90.7 MB in the beginning and 90.1 MB in the end (delta: 571.2 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:12,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 121.6 MB. Free memory was 75.8 MB in the beginning and 75.8 MB in the end (delta: 53.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 586.19 ms. Allocated memory is still 121.6 MB. Free memory was 90.7 MB in the beginning and 90.1 MB in the end (delta: 571.2 kB). Peak memory consumption was 6.3 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-b2eff8b [2021-10-28 23:25:15,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:25:15,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:25:15,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:25:15,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:25:15,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:25:15,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:25:15,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:25:15,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:25:15,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:25:15,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:25:15,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:25:15,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:25:15,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:25:15,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:25:15,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:25:15,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:25:15,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:25:15,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:25:15,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:25:15,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:25:15,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:25:15,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:25:15,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:25:15,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:25:15,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:25:15,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:25:15,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:25:15,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:25:15,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:25:15,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:25:15,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:25:15,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:25:15,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:25:15,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:25:15,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:25:15,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:25:15,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:25:15,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:25:15,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:25:15,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:25:15,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:25:15,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:25:15,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:25:15,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:25:15,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:25:15,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:25:15,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:25:15,567 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:25:15,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:25:15,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:25:15,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:25:15,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:25:15,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:25:15,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:25:15,572 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:25:15,573 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:25:15,573 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:25:15,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:25:15,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:25:15,574 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:25:15,574 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:25:15,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:25:15,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:25:15,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:25:15,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:25:15,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:25:15,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:25:15,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:25:15,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:25:15,578 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:25:15,578 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:25:15,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:25:15,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:25:15,579 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_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 [2021-10-28 23:25:16,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:25:16,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:25:16,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:25:16,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:25:16,147 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:25:16,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 23:25:16,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/cb5e32524/dd6168de1f0a4cdfb377574ad0dc03ce/FLAG94418cc1a [2021-10-28 23:25:16,878 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:25:16,879 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-28 23:25:16,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/cb5e32524/dd6168de1f0a4cdfb377574ad0dc03ce/FLAG94418cc1a [2021-10-28 23:25:17,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/data/cb5e32524/dd6168de1f0a4cdfb377574ad0dc03ce [2021-10-28 23:25:17,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:25:17,106 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:25:17,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:17,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:25:17,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:25:17,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:17,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcc91ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17, skipping insertion in model container [2021-10-28 23:25:17,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:17,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:25:17,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:25:17,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:17,747 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:25:17,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:25:17,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:17,850 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:25:17,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:17,960 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:25:17,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17 WrapperNode [2021-10-28 23:25:17,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:17,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:25:17,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:25:17,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:25:17,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:17,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:18,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:18,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:18,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:18,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:18,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:18,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:25:18,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:25:18,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:25:18,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:25:18,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (1/1) ... [2021-10-28 23:25:18,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:25:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:18,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:25:18,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:25:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:25:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:25:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:25:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:25:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:25:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:25:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:25:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:25:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:25:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:25:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:25:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:25:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:25:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:25:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:25:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:25:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:25:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:25:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:25:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:25:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:25:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:25:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:25:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:25:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:25:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:25:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:25:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:25:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:25:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:25:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:25:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:25:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:25:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:25:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:25:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:25:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:25:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:25:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:25:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:25:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:25:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:25:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-28 23:25:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-28 23:25:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_3_11 [2021-10-28 23:25:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-28 23:25:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:25:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:25:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:25:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:25:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:25:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:25:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:25:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:25:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:25:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:25:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:25:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:25:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:25:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:25:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:25:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:25:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:25:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:25:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:25:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:25:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:25:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:25:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:25:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:25:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:25:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:25:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:25:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:25:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:25:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:25:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:25:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:25:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:25:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:25:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:25:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:25:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:25:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:25:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:25:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:25:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:25:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:25:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:25:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:25:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:25:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:25:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:25:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:25:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:25:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:25:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:25:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:25:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:25:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:25:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:25:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:25:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:25:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:25:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:25:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:25:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:25:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:25:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:25:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:25:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:25:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:25:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:25:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:25:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:25:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:25:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:25:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:25:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:25:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:25:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:25:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:25:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:25:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:25:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:25:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:25:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:25:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:25:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:25:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:25:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:25:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:25:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:25:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:25:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:25:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:25:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:25:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:25:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:25:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:25:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:25:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:25:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:25:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:25:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:25:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:25:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:25:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:25:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:25:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:25:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:25:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:25:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:25:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:25:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:25:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:25:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:25:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:25:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:25:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:25:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:25:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:25:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:25:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:25:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:25:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:25:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:25:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:25:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:25:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:25:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:25:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:25:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:25:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:25:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:25:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:25:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:25:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:25:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:25:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:25:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:25:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:25:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:25:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:25:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:25:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:25:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:25:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:25:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:25:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:25:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:25:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:25:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:25:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:25:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:25:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:25:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:25:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:25:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-28 23:25:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-28 23:25:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_3_11 [2021-10-28 23:25:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-28 23:25:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:25:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:25:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:25:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:25:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:25:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:25:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:25:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:25:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:25:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:25:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:25:19,055 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:25:19,465 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:25:20,106 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:25:20,118 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:25:20,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:20 BoogieIcfgContainer [2021-10-28 23:25:20,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:25:20,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:25:20,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:25:20,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:25:20,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:25:17" (1/3) ... [2021-10-28 23:25:20,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7651ef4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:25:20, skipping insertion in model container [2021-10-28 23:25:20,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:17" (2/3) ... [2021-10-28 23:25:20,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7651ef4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:25:20, skipping insertion in model container [2021-10-28 23:25:20,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:20" (3/3) ... [2021-10-28 23:25:20,148 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_2.i [2021-10-28 23:25:20,154 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:25:20,154 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-10-28 23:25:20,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:25:20,238 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:25:20,239 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-10-28 23:25:20,261 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) [2021-10-28 23:25:20,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:25:20,270 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:20,271 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:20,272 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)] === [2021-10-28 23:25:20,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:20,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1897725955, now seen corresponding path program 1 times [2021-10-28 23:25:20,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:25:20,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385689942] [2021-10-28 23:25:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:20,301 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:25:20,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:25:20,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:25:20,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:25:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:20,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:25:20,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:20,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:25:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:20,870 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:25:20,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385689942] [2021-10-28 23:25:20,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385689942] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:20,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:20,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 23:25:20,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480415754] [2021-10-28 23:25:20,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:25:20,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:25:20,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:25:20,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:25:20,918 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) [2021-10-28 23:25:21,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:21,066 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-10-28 23:25:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:25:21,069 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 [2021-10-28 23:25:21,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:21,087 INFO L225 Difference]: With dead ends: 146 [2021-10-28 23:25:21,088 INFO L226 Difference]: Without dead ends: 143 [2021-10-28 23:25:21,089 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:25:21,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-28 23:25:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-10-28 23:25:21,172 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) [2021-10-28 23:25:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-10-28 23:25:21,185 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-10-28 23:25:21,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:21,186 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-10-28 23:25:21,186 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) [2021-10-28 23:25:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-10-28 23:25:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:25:21,189 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:21,189 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:21,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 23:25:21,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:25:21,403 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)] === [2021-10-28 23:25:21,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash -154915620, now seen corresponding path program 1 times [2021-10-28 23:25:21,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:25:21,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115976327] [2021-10-28 23:25:21,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:21,406 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:25:21,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:25:21,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:25:21,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:25:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:21,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:25:21,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:21,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:25:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:21,805 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:25:21,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115976327] [2021-10-28 23:25:21,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115976327] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:21,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:21,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:25:21,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115910722] [2021-10-28 23:25:21,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:25:21,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:25:21,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:25:21,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:21,813 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) [2021-10-28 23:25:22,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:22,018 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-10-28 23:25:22,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:25:22,019 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 [2021-10-28 23:25:22,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:22,022 INFO L225 Difference]: With dead ends: 158 [2021-10-28 23:25:22,022 INFO L226 Difference]: Without dead ends: 155 [2021-10-28 23:25:22,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:25:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-28 23:25:22,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-10-28 23:25:22,042 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) [2021-10-28 23:25:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-10-28 23:25:22,046 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-10-28 23:25:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:22,047 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-10-28 23:25:22,047 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) [2021-10-28 23:25:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-10-28 23:25:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:25:22,049 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:22,049 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:22,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 23:25:22,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:25:22,264 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)] === [2021-10-28 23:25:22,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:22,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334128, now seen corresponding path program 1 times [2021-10-28 23:25:22,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:25:22,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252974352] [2021-10-28 23:25:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:22,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:25:22,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:25:22,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:25:22,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:25:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:22,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:25:22,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:25:22,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:25:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:25:22,637 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:25:22,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252974352] [2021-10-28 23:25:22,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252974352] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:25:22,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:25:22,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 23:25:22,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083391634] [2021-10-28 23:25:22,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:25:22,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:25:22,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:25:22,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:25:22,645 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) [2021-10-28 23:25:22,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:22,750 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-10-28 23:25:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:25:22,751 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 [2021-10-28 23:25:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:22,754 INFO L225 Difference]: With dead ends: 140 [2021-10-28 23:25:22,754 INFO L226 Difference]: Without dead ends: 140 [2021-10-28 23:25:22,754 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:25:22,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-28 23:25:22,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-10-28 23:25:22,766 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) [2021-10-28 23:25:22,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-10-28 23:25:22,768 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-10-28 23:25:22,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:22,768 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-10-28 23:25:22,768 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) [2021-10-28 23:25:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-10-28 23:25:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:25:22,770 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:22,770 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:22,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:25:22,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:25:22,983 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)] === [2021-10-28 23:25:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:22,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334161, now seen corresponding path program 1 times [2021-10-28 23:25:22,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:25:22,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020210524] [2021-10-28 23:25:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:22,985 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:25:22,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:25:22,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:25:23,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:25:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:23,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:25:23,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:23,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:25:23,419 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 23:25:23,419 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 [2021-10-28 23:25:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:23,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:25:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:23,801 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:25:23,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020210524] [2021-10-28 23:25:23,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020210524] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:25:23,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:25:23,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 23:25:23,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703806785] [2021-10-28 23:25:23,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:25:23,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:25:23,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:25:23,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:25:23,804 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) [2021-10-28 23:25:25,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:25:25,108 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2021-10-28 23:25:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:25:25,109 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 [2021-10-28 23:25:25,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:25:25,112 INFO L225 Difference]: With dead ends: 205 [2021-10-28 23:25:25,113 INFO L226 Difference]: Without dead ends: 205 [2021-10-28 23:25:25,113 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:25:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-28 23:25:25,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 124. [2021-10-28 23:25:25,127 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) [2021-10-28 23:25:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2021-10-28 23:25:25,129 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 21 [2021-10-28 23:25:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:25:25,130 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2021-10-28 23:25:25,130 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) [2021-10-28 23:25:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-10-28 23:25:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:25:25,131 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:25:25,132 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:25:25,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:25:25,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:25:25,345 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)] === [2021-10-28 23:25:25,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:25:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334162, now seen corresponding path program 1 times [2021-10-28 23:25:25,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:25:25,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113642383] [2021-10-28 23:25:25,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:25:25,346 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:25:25,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:25:25,348 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:25:25,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:25:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:25:25,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:25:25,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:25:25,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:25:25,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:25:27,959 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 23:25:27,959 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 [2021-10-28 23:25:27,971 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 23:25:27,972 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 [2021-10-28 23:25:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:25:28,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:25:36,958 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_36| (_ BitVec 32)) (v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_36|)))) (exists ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (and (or (not (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))) (exists ((v_ldv_malloc_~size_31 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_35|))))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_#length| |v_ldv_malloc_#res.base_36| ldv_malloc_~size) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))))) is different from true [2021-10-28 23:25:38,855 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 [2021-10-28 23:25:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-28 23:25:38,971 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:25:38,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113642383] [2021-10-28 23:25:38,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113642383] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:25:38,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:25:38,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-28 23:25:38,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937870597] [2021-10-28 23:25:38,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 23:25:38,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:25:38,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 23:25:38,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=4, NotChecked=26, Total=240 [2021-10-28 23:25:38,973 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) [2021-10-28 23:26:31,969 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 [2021-10-28 23:27:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:55,391 INFO L93 Difference]: Finished difference Result 315 states and 362 transitions. [2021-10-28 23:27:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-28 23:27:55,393 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 [2021-10-28 23:27:55,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:55,396 INFO L225 Difference]: With dead ends: 315 [2021-10-28 23:27:55,396 INFO L226 Difference]: Without dead ends: 315 [2021-10-28 23:27:55,397 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 42.8s TimeCoverageRelationStatistics Valid=118, Invalid=577, Unknown=15, NotChecked=102, Total=812 [2021-10-28 23:27:55,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-10-28 23:27:55,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 157. [2021-10-28 23:27:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 95 states have (on average 1.5473684210526315) internal successors, (147), 120 states have internal predecessors, (147), 22 states have call successors, (22), 12 states have call predecessors, (22), 13 states have return successors, (30), 24 states have call predecessors, (30), 21 states have call successors, (30) [2021-10-28 23:27:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 199 transitions. [2021-10-28 23:27:55,427 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 199 transitions. Word has length 21 [2021-10-28 23:27:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:55,427 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 199 transitions. [2021-10-28 23:27:55,428 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) [2021-10-28 23:27:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 199 transitions. [2021-10-28 23:27:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 23:27:55,429 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:55,429 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:55,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-28 23:27:55,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:27:55,641 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)] === [2021-10-28 23:27:55,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:55,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1259931154, now seen corresponding path program 1 times [2021-10-28 23:27:55,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:27:55,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288343901] [2021-10-28 23:27:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:55,642 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:27:55,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:27:55,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:27:55,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 23:27:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:55,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:27:55,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:27:56,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:27:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:27:56,188 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:27:56,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288343901] [2021-10-28 23:27:56,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288343901] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-28 23:27:56,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:27:56,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-28 23:27:56,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083599704] [2021-10-28 23:27:56,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:27:56,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:27:56,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:27:56,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:27:56,190 INFO L87 Difference]: Start difference. First operand 157 states and 199 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) [2021-10-28 23:27:56,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:56,229 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2021-10-28 23:27:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:27:56,230 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 [2021-10-28 23:27:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:56,232 INFO L225 Difference]: With dead ends: 138 [2021-10-28 23:27:56,232 INFO L226 Difference]: Without dead ends: 134 [2021-10-28 23:27:56,233 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:27:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-28 23:27:56,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-10-28 23:27:56,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 80 states have (on average 1.525) internal successors, (122), 102 states have internal predecessors, (122), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-10-28 23:27:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 162 transitions. [2021-10-28 23:27:56,243 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 162 transitions. Word has length 21 [2021-10-28 23:27:56,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:56,243 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 162 transitions. [2021-10-28 23:27:56,244 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) [2021-10-28 23:27:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2021-10-28 23:27:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:27:56,245 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:56,245 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:27:56,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:27:56,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:27:56,465 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)] === [2021-10-28 23:27:56,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:56,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1796221871, now seen corresponding path program 1 times [2021-10-28 23:27:56,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:27:56,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105701450] [2021-10-28 23:27:56,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:56,466 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:27:56,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:27:56,467 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:27:56,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 23:27:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:56,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:27:56,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:27:57,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:27:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:27:57,225 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:27:57,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105701450] [2021-10-28 23:27:57,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105701450] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:27:57,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:27:57,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-28 23:27:57,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401261246] [2021-10-28 23:27:57,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:27:57,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:27:57,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:27:57,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:27:57,228 INFO L87 Difference]: Start difference. First operand 134 states and 162 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 23:27:57,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:27:57,736 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2021-10-28 23:27:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:27:57,737 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 [2021-10-28 23:27:57,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:27:57,738 INFO L225 Difference]: With dead ends: 133 [2021-10-28 23:27:57,739 INFO L226 Difference]: Without dead ends: 133 [2021-10-28 23:27:57,739 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:27:57,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-28 23:27:57,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-28 23:27:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 80 states have (on average 1.5) internal successors, (120), 101 states have internal predecessors, (120), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-10-28 23:27:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 160 transitions. [2021-10-28 23:27:57,748 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 160 transitions. Word has length 22 [2021-10-28 23:27:57,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:27:57,748 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 160 transitions. [2021-10-28 23:27:57,749 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) [2021-10-28 23:27:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 160 transitions. [2021-10-28 23:27:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:27:57,750 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:27:57,750 INFO L513 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] [2021-10-28 23:27:57,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-28 23:27:57,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:27:57,960 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)] === [2021-10-28 23:27:57,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:27:57,961 INFO L85 PathProgramCache]: Analyzing trace with hash -880393985, now seen corresponding path program 1 times [2021-10-28 23:27:57,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:27:57,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611387241] [2021-10-28 23:27:57,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:27:57,962 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:27:57,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:27:57,963 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:27:57,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 23:27:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:27:58,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:27:58,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:27:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:27:58,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:28:09,251 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:28:09,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611387241] [2021-10-28 23:28:09,251 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))} [2021-10-28 23:28:09,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1560447021] [2021-10-28 23:28:09,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:28:09,252 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 23:28:09,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/cvc4 [2021-10-28 23:28:09,258 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 23:28:09,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-28 23:28:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:28:09,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:28:09,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:28:09,701 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 23:28:09,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-28 23:28:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:28:17,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:28:28,231 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))} [2021-10-28 23:28:28,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886428415] [2021-10-28 23:28:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:28:28,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:28:28,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:28:28,237 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:28:28,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 23:28:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:28:28,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:28:28,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:28:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:28:28,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:28:41,085 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))} [2021-10-28 23:28:41,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:28:41,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 23:28:41,086 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 23:28:41,086 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 23:28:41,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:28:41,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:28:41,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:28:41,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:28:41,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:28:41,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:28:41,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:28:41,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:28:41,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:28:41,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err0REQUIRES_VIOLATION [2021-10-28 23:28:41,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err1REQUIRES_VIOLATION [2021-10-28 23:28:41,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err2REQUIRES_VIOLATION [2021-10-28 23:28:41,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err3REQUIRES_VIOLATION [2021-10-28 23:28:41,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err4REQUIRES_VIOLATION [2021-10-28 23:28:41,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err5REQUIRES_VIOLATION [2021-10-28 23:28:41,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-28 23:28:41,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-28 23:28:41,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-28 23:28:41,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-28 23:28:41,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,124 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:28:41,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:28:41,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-28 23:28:41,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:28:41,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt [2021-10-28 23:28:41,744 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:28:41,753 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:28:41,757 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 23:28:41,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:28:41 BoogieIcfgContainer [2021-10-28 23:28:41,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:28:41,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:28:41,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:28:41,775 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:28:41,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:20" (3/4) ... [2021-10-28 23:28:41,782 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:28:41,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:28:41,784 INFO L168 Benchmark]: Toolchain (without parser) took 204676.99 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 39.3 MB in the beginning and 54.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:41,784 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:28:41,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.65 ms. Allocated memory is still 60.8 MB. Free memory was 39.1 MB in the beginning and 29.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:41,786 INFO L168 Benchmark]: Boogie Preprocessor took 176.03 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 29.8 MB in the beginning and 61.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:41,786 INFO L168 Benchmark]: RCFGBuilder took 1982.62 ms. Allocated memory is still 81.8 MB. Free memory was 61.8 MB in the beginning and 57.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:41,787 INFO L168 Benchmark]: TraceAbstraction took 201648.36 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 57.0 MB in the beginning and 54.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:28:41,787 INFO L168 Benchmark]: Witness Printer took 7.41 ms. Allocated memory is still 109.1 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:28:41,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 854.65 ms. Allocated memory is still 60.8 MB. Free memory was 39.1 MB in the beginning and 29.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 176.03 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 29.8 MB in the beginning and 61.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1982.62 ms. Allocated memory is still 81.8 MB. Free memory was 61.8 MB in the beginning and 57.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 201648.36 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 57.0 MB in the beginning and 54.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * Witness Printer took 7.41 ms. Allocated memory is still 109.1 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 822]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 201.5s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 138.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 853 SDtfs, 946 SDslu, 2353 SDs, 0 SdLazy, 2016 SolverSat, 275 SolverUnsat, 47 SolverUnknown, 0 SolverNotchecked, 103.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 227 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 43.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 354 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 287 ConstructedInterpolants, 24 QuantifiedInterpolants, 1549 SizeOfPredicates, 8 NumberOfNonLiveVariables, 714 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 26/44 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 [2021-10-28 23:28:41,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6415e56f-1fca-478a-9fe5-4512364bf617/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...