./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX --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 d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:51:55,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:51:55,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:51:55,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:51:55,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:51:55,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:51:55,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:51:55,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:51:55,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:51:55,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:51:55,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:51:55,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:51:55,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:51:55,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:51:55,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:51:55,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:51:55,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:51:55,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:51:55,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:51:55,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:51:55,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:51:55,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:51:55,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:51:55,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:51:55,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:51:55,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:51:55,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:51:55,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:51:55,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:51:55,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:51:55,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:51:55,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:51:55,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:51:55,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:51:55,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:51:55,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:51:55,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:51:55,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:51:55,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:51:55,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:51:55,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:51:55,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-09 09:51:55,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:51:55,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:51:55,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:51:55,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:51:55,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:51:55,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:51:55,874 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:51:55,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:51:55,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:51:55,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:51:55,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:51:55,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:51:55,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:51:55,877 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:51:55,877 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:51:55,877 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:51:55,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:51:55,878 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:51:55,878 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:51:55,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:51:55,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:51:55,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:51:55,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:51:55,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:51:55,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:51:55,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:51:55,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:51:55,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:51:55,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:51:55,882 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_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 [2021-11-09 09:51:56,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:51:56,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:51:56,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:51:56,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:51:56,237 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:51:56,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-11-09 09:51:56,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/3e924481a/ff97321ed4f6496da687cf9a980b9776/FLAG3528b07a3 [2021-11-09 09:51:57,018 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:51:57,019 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-11-09 09:51:57,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/3e924481a/ff97321ed4f6496da687cf9a980b9776/FLAG3528b07a3 [2021-11-09 09:51:57,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/3e924481a/ff97321ed4f6496da687cf9a980b9776 [2021-11-09 09:51:57,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:51:57,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:51:57,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:51:57,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:51:57,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:51:57,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:51:57" (1/1) ... [2021-11-09 09:51:57,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b6b079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:51:57, skipping insertion in model container [2021-11-09 09:51:57,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:51:57" (1/1) ... [2021-11-09 09:51:57,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:51:57,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:51:57,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:51:57,900 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-09 09:51:57,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e763f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:51:57, skipping insertion in model container [2021-11-09 09:51:57,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:51:57,902 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-09 09:51:57,905 INFO L168 Benchmark]: Toolchain (without parser) took 623.72 ms. Allocated memory is still 92.3 MB. Free memory was 57.1 MB in the beginning and 62.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:51:57,906 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:51:57,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.32 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 62.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:51:57,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 618.32 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 62.4 MB in the end (delta: -5.5 MB). 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX --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 d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:52:00,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:52:00,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:52:00,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:52:00,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:52:00,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:52:00,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:52:00,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:52:00,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:52:00,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:52:00,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:52:00,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:52:00,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:52:00,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:52:00,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:52:00,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:52:00,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:52:00,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:52:00,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:52:00,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:52:00,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:52:00,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:52:00,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:52:00,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:52:00,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:52:00,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:52:00,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:52:00,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:52:00,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:52:00,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:52:00,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:52:00,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:52:00,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:52:00,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:52:00,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:52:00,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:52:00,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:52:00,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:52:00,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:52:00,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:52:00,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:52:00,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-09 09:52:00,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:52:00,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:52:00,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:52:00,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:52:00,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:52:00,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:52:00,940 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:52:00,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:52:00,941 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:52:00,942 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:52:00,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:52:00,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:52:00,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:52:00,945 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:52:00,945 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:52:00,946 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:52:00,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:52:00,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:52:00,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-09 09:52:00,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-09 09:52:00,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:52:00,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:52:00,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:52:00,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:52:00,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:52:00,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:52:00,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:52:00,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:52:00,951 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-09 09:52:00,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-09 09:52:00,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:52:00,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-09 09:52:00,953 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_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 [2021-11-09 09:52:01,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:52:01,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:52:01,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:52:01,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:52:01,528 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:52:01,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-11-09 09:52:01,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/b372ed2e6/a13f40fd9db941c69b48b85582822c70/FLAGd9f7c5800 [2021-11-09 09:52:02,478 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:52:02,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-11-09 09:52:02,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/b372ed2e6/a13f40fd9db941c69b48b85582822c70/FLAGd9f7c5800 [2021-11-09 09:52:02,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/data/b372ed2e6/a13f40fd9db941c69b48b85582822c70 [2021-11-09 09:52:02,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:52:02,655 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:52:02,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:52:02,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:52:02,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:52:02,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:52:02" (1/1) ... [2021-11-09 09:52:02,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4fee02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:02, skipping insertion in model container [2021-11-09 09:52:02,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:52:02" (1/1) ... [2021-11-09 09:52:02,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:52:02,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:52:03,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:52:03,415 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-09 09:52:03,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:52:03,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:52:03,525 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:52:03,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:52:03,660 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:52:03,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03 WrapperNode [2021-11-09 09:52:03,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:52:03,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:52:03,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:52:03,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:52:03,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:52:03,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:52:03,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:52:03,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:52:03,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (1/1) ... [2021-11-09 09:52:03,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:52:03,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:52:03,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:52:03,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:52:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-09 09:52:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:52:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:52:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:52:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-09 09:52:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-09 09:52:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-09 09:52:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-09 09:52:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-09 09:52:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-09 09:52:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-09 09:52:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-09 09:52:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-09 09:52:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-09 09:52:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-09 09:52:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-09 09:52:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-09 09:52:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-09 09:52:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-09 09:52:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-09 09:52:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-09 09:52:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-09 09:52:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-09 09:52:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-09 09:52:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-09 09:52:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-09 09:52:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-09 09:52:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-09 09:52:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-09 09:52:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-09 09:52:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-09 09:52:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-09 09:52:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-09 09:52:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-09 09:52:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-09 09:52:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-09 09:52:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-09 09:52:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-09 09:52:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-09 09:52:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-09 09:52:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-09 09:52:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-09 09:52:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2021-11-09 09:52:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-11-09 09:52:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-09 09:52:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-09 09:52:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-09 09:52:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-09 09:52:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-09 09:52:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-09 09:52:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-09 09:52:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-09 09:52:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-09 09:52:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-09 09:52:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-09 09:52:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-09 09:52:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-09 09:52:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-09 09:52:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-09 09:52:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-09 09:52:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-09 09:52:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-09 09:52:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-09 09:52:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-09 09:52:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-09 09:52:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-09 09:52:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-09 09:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-09 09:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-09 09:52:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-09 09:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-09 09:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-09 09:52:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-09 09:52:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-09 09:52:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-09 09:52:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-09 09:52:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-09 09:52:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-09 09:52:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-09 09:52:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-09 09:52:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-09 09:52:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-09 09:52:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-09 09:52:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-09 09:52:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-09 09:52:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-09 09:52:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-09 09:52:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-09 09:52:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-09 09:52:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-09 09:52:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-09 09:52:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-09 09:52:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-09 09:52:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-09 09:52:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-09 09:52:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-09 09:52:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-09 09:52:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-09 09:52:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-09 09:52:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-09 09:52:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-09 09:52:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-09 09:52:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-09 09:52:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-09 09:52:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-09 09:52:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-09 09:52:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-09 09:52:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-09 09:52:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-09 09:52:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-09 09:52:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-09 09:52:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-09 09:52:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-09 09:52:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-09 09:52:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-09 09:52:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-09 09:52:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-09 09:52:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-09 09:52:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-09 09:52:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-09 09:52:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-09 09:52:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-09 09:52:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-09 09:52:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-09 09:52:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-09 09:52:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-09 09:52:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-09 09:52:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-09 09:52:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-09 09:52:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-09 09:52:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-09 09:52:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-09 09:52:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-09 09:52:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-09 09:52:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-09 09:52:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-09 09:52:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-09 09:52:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-09 09:52:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-09 09:52:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-09 09:52:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-09 09:52:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-09 09:52:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-09 09:52:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-09 09:52:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-09 09:52:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-09 09:52:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-09 09:52:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-09 09:52:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-09 09:52:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-09 09:52:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-09 09:52:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-09 09:52:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-09 09:52:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-09 09:52:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-09 09:52:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-09 09:52:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-09 09:52:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-09 09:52:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-09 09:52:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-09 09:52:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-09 09:52:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-09 09:52:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-09 09:52:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:52:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-09 09:52:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-09 09:52:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-09 09:52:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:52:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-09 09:52:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-09 09:52:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-09 09:52:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:52:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-09 09:52:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-09 09:52:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-09 09:52:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-09 09:52:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-09 09:52:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-09 09:52:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:52:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-09 09:52:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-09 09:52:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-09 09:52:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-09 09:52:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-09 09:52:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-09 09:52:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-09 09:52:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-09 09:52:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-09 09:52:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:52:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-09 09:52:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-09 09:52:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-09 09:52:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-09 09:52:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-09 09:52:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-09 09:52:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-09 09:52:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-09 09:52:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-09 09:52:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-09 09:52:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-09 09:52:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-09 09:52:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-09 09:52:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-09 09:52:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2021-11-09 09:52:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-11-09 09:52:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-09 09:52:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-09 09:52:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-09 09:52:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:52:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 09:52:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:52:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:52:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 09:52:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-09 09:52:04,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-09 09:52:04,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-09 09:52:04,831 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-09 09:52:05,313 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-09 09:52:05,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:52:05,797 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-09 09:52:05,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:52:05 BoogieIcfgContainer [2021-11-09 09:52:05,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:52:05,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:52:05,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:52:05,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:52:05,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:52:02" (1/3) ... [2021-11-09 09:52:05,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421e5620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:52:05, skipping insertion in model container [2021-11-09 09:52:05,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:52:03" (2/3) ... [2021-11-09 09:52:05,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421e5620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:52:05, skipping insertion in model container [2021-11-09 09:52:05,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:52:05" (3/3) ... [2021-11-09 09:52:05,835 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i [2021-11-09 09:52:05,852 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:52:05,853 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-11-09 09:52:05,915 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:52:05,924 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:52:05,924 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-11-09 09:52:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 58 states have (on average 1.5) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-09 09:52:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-09 09:52:05,957 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:52:05,958 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:05,959 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:52:05,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:52:05,974 INFO L85 PathProgramCache]: Analyzing trace with hash 426051374, now seen corresponding path program 1 times [2021-11-09 09:52:05,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:52:05,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3638838] [2021-11-09 09:52:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:05,991 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:52:05,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:52:05,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:52:06,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-09 09:52:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:06,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:52:06,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:06,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:06,665 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:52:06,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3638838] [2021-11-09 09:52:06,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3638838] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:52:06,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:52:06,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-09 09:52:06,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243695219] [2021-11-09 09:52:06,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:52:06,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:52:06,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:52:06,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:52:06,711 INFO L87 Difference]: Start difference. First operand has 105 states, 58 states have (on average 1.5) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:52:06,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:52:06,797 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-11-09 09:52:06,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:52:06,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-09 09:52:06,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:52:06,810 INFO L225 Difference]: With dead ends: 34 [2021-11-09 09:52:06,810 INFO L226 Difference]: Without dead ends: 31 [2021-11-09 09:52:06,812 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:52:06,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-09 09:52:06,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-09 09:52:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 09:52:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-11-09 09:52:06,857 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2021-11-09 09:52:06,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:52:06,857 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-11-09 09:52:06,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:52:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-11-09 09:52:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-09 09:52:06,859 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:52:06,860 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:06,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:52:07,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:52:07,090 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:52:07,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:52:07,091 INFO L85 PathProgramCache]: Analyzing trace with hash 322691135, now seen corresponding path program 1 times [2021-11-09 09:52:07,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:52:07,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872338673] [2021-11-09 09:52:07,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:07,093 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:52:07,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:52:07,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:52:07,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-09 09:52:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:07,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 09:52:07,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:07,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:07,989 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:52:07,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872338673] [2021-11-09 09:52:07,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872338673] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:52:07,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:52:07,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-11-09 09:52:07,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718953831] [2021-11-09 09:52:07,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:52:07,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:52:07,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:52:07,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:52:07,996 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-09 09:52:08,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:52:08,319 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2021-11-09 09:52:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:52:08,321 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 21 [2021-11-09 09:52:08,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:52:08,323 INFO L225 Difference]: With dead ends: 45 [2021-11-09 09:52:08,323 INFO L226 Difference]: Without dead ends: 45 [2021-11-09 09:52:08,324 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-09 09:52:08,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-09 09:52:08,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-11-09 09:52:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-09 09:52:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-11-09 09:52:08,335 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 21 [2021-11-09 09:52:08,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:52:08,335 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-11-09 09:52:08,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-09 09:52:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-11-09 09:52:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 09:52:08,337 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:52:08,338 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:08,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:52:08,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:52:08,551 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:52:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:52:08,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1413491024, now seen corresponding path program 1 times [2021-11-09 09:52:08,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:52:08,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614687368] [2021-11-09 09:52:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:08,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:52:08,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:52:08,557 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:52:08,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-09 09:52:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:08,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 09:52:08,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:08,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 09:52:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:09,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:09,218 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:52:09,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614687368] [2021-11-09 09:52:09,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614687368] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:52:09,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:52:09,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-09 09:52:09,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105320829] [2021-11-09 09:52:09,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:52:09,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:52:09,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:52:09,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:52:09,223 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:52:09,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:52:09,299 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-11-09 09:52:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:52:09,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-09 09:52:09,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:52:09,304 INFO L225 Difference]: With dead ends: 43 [2021-11-09 09:52:09,304 INFO L226 Difference]: Without dead ends: 43 [2021-11-09 09:52:09,305 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:52:09,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-09 09:52:09,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-11-09 09:52:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 28 states have internal predecessors, (31), 7 states have call successors, (7), 7 states have call predecessors, (7), 7 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-09 09:52:09,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-11-09 09:52:09,317 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 22 [2021-11-09 09:52:09,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:52:09,317 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-11-09 09:52:09,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:52:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-11-09 09:52:09,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 09:52:09,319 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:52:09,320 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:09,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:52:09,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:52:09,534 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:52:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:52:09,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1120088017, now seen corresponding path program 1 times [2021-11-09 09:52:09,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:52:09,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977150457] [2021-11-09 09:52:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:09,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:52:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:52:09,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:52:09,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-09 09:52:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:09,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 09:52:09,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:09,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:09,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:10,125 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:52:10,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977150457] [2021-11-09 09:52:10,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977150457] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:52:10,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:52:10,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-09 09:52:10,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109780410] [2021-11-09 09:52:10,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:52:10,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:52:10,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:52:10,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:52:10,128 INFO L87 Difference]: Start difference. First operand 42 states and 46 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, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:52:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:52:10,202 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2021-11-09 09:52:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:52:10,203 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, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-09 09:52:10,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:52:10,204 INFO L225 Difference]: With dead ends: 44 [2021-11-09 09:52:10,204 INFO L226 Difference]: Without dead ends: 44 [2021-11-09 09:52:10,205 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:52:10,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-09 09:52:10,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2021-11-09 09:52:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-09 09:52:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2021-11-09 09:52:10,212 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2021-11-09 09:52:10,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:52:10,213 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2021-11-09 09:52:10,213 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, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:52:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-11-09 09:52:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 09:52:10,215 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:52:10,215 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:10,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:52:10,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:52:10,430 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:52:10,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:52:10,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1413668411, now seen corresponding path program 1 times [2021-11-09 09:52:10,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:52:10,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134313838] [2021-11-09 09:52:10,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:10,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:52:10,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:52:10,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:52:10,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-09 09:52:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:10,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:52:10,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:10,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:10,958 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:52:10,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134313838] [2021-11-09 09:52:10,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134313838] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:52:10,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:52:10,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-09 09:52:10,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726402957] [2021-11-09 09:52:10,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:52:10,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:52:10,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:52:10,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:52:10,962 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-09 09:52:10,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:52:10,975 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2021-11-09 09:52:10,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:52:10,976 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 22 [2021-11-09 09:52:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:52:10,978 INFO L225 Difference]: With dead ends: 40 [2021-11-09 09:52:10,978 INFO L226 Difference]: Without dead ends: 40 [2021-11-09 09:52:10,979 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:52:10,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-09 09:52:10,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2021-11-09 09:52:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 24 states have internal predecessors, (25), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-09 09:52:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2021-11-09 09:52:10,985 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2021-11-09 09:52:10,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:52:10,986 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2021-11-09 09:52:10,986 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-09 09:52:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2021-11-09 09:52:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 09:52:10,988 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:52:10,988 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:11,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:52:11,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:52:11,203 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:52:11,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:52:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash -687189059, now seen corresponding path program 1 times [2021-11-09 09:52:11,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:52:11,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731004572] [2021-11-09 09:52:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:11,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:52:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:52:11,205 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:52:11,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-09 09:52:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:11,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:52:11,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:11,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:11,782 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:52:11,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731004572] [2021-11-09 09:52:11,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731004572] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:52:11,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:52:11,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 09:52:11,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772440635] [2021-11-09 09:52:11,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:52:11,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:52:11,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:52:11,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:52:11,788 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 09:52:11,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:52:11,836 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2021-11-09 09:52:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:52:11,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 22 [2021-11-09 09:52:11,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:52:11,840 INFO L225 Difference]: With dead ends: 42 [2021-11-09 09:52:11,840 INFO L226 Difference]: Without dead ends: 38 [2021-11-09 09:52:11,840 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:52:11,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-09 09:52:11,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2021-11-09 09:52:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-09 09:52:11,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2021-11-09 09:52:11,862 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 22 [2021-11-09 09:52:11,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:52:11,863 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2021-11-09 09:52:11,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 09:52:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2021-11-09 09:52:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-09 09:52:11,866 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:52:11,866 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:11,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-09 09:52:12,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:52:12,080 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:52:12,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:52:12,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2013122506, now seen corresponding path program 1 times [2021-11-09 09:52:12,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:52:12,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875327234] [2021-11-09 09:52:12,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:12,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:52:12,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:52:12,091 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:52:12,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-09 09:52:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:12,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-09 09:52:12,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:12,630 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 9 treesize of output 7 [2021-11-09 09:52:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:12,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:21,442 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| c_~a9~0.base (_ bv0 1))))) is different from false [2021-11-09 09:52:21,451 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:52:21,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875327234] [2021-11-09 09:52:21,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_11|] [2021-11-09 09:52:21,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1512312272] [2021-11-09 09:52:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:21,452 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-09 09:52:21,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/cvc4 [2021-11-09 09:52:21,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-09 09:52:21,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-09 09:52:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:21,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-09 09:52:21,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:21,995 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-09 09:52:21,996 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 [2021-11-09 09:52:26,514 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 10 treesize of output 8 [2021-11-09 09:52:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:28,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:33,039 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|) (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))))) is different from false [2021-11-09 09:52:35,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_17|] [2021-11-09 09:52:35,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938654226] [2021-11-09 09:52:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:52:35,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:52:35,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:52:35,400 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:52:35,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-09 09:52:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:52:35,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-09 09:52:35,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:52:35,941 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 9 treesize of output 7 [2021-11-09 09:52:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:52:36,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:52:40,457 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_23| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_23|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))) (= |v_old(#valid)_BEFORE_CALL_23| |c_#valid|))) is different from false [2021-11-09 09:52:40,667 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_23| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_23|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))) (= |v_old(#valid)_BEFORE_CALL_23| (store |c_#valid| c_~a9~0.base (_ bv0 1))))) is different from false [2021-11-09 09:52:40,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_23|] [2021-11-09 09:52:40,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:52:40,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-09 09:52:40,678 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-09 09:52:40,679 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-09 09:52:40,688 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-11-09 09:52:40,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,692 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,692 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,692 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,693 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,693 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,693 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,693 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,695 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-11-09 09:52:40,695 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-11-09 09:52:40,695 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-11-09 09:52:40,695 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-11-09 09:52:40,696 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,696 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,696 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,697 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,697 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,697 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,697 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,698 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,698 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,698 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,698 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,699 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,699 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,699 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,699 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,700 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,700 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-11-09 09:52:40,700 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-11-09 09:52:40,701 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,701 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,701 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,701 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-11-09 09:52:40,705 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-11-09 09:52:40,705 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,705 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,705 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,706 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,706 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,706 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,708 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,708 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,708 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-11-09 09:52:40,708 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-11-09 09:52:40,709 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-11-09 09:52:40,709 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-11-09 09:52:40,709 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:52:40,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:52:40,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-09 09:52:41,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-09 09:52:41,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt [2021-11-09 09:52:41,329 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:52:41,332 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:52:41,336 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-09 09:52:41,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:52:41 BoogieIcfgContainer [2021-11-09 09:52:41,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:52:41,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:52:41,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:52:41,347 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:52:41,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:52:05" (3/4) ... [2021-11-09 09:52:41,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:52:41,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:52:41,353 INFO L168 Benchmark]: Toolchain (without parser) took 38698.41 ms. Allocated memory was 60.8 MB in the beginning and 98.6 MB in the end (delta: 37.7 MB). Free memory was 39.3 MB in the beginning and 53.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-11-09 09:52:41,354 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:52:41,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1006.34 ms. Allocated memory is still 60.8 MB. Free memory was 39.0 MB in the beginning and 26.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:52:41,355 INFO L168 Benchmark]: Boogie Preprocessor took 219.71 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.4 MB in the beginning and 59.9 MB in the end (delta: -33.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:52:41,356 INFO L168 Benchmark]: RCFGBuilder took 1916.47 ms. Allocated memory is still 81.8 MB. Free memory was 59.9 MB in the beginning and 34.4 MB in the end (delta: 25.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:52:41,356 INFO L168 Benchmark]: TraceAbstraction took 35543.34 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 34.1 MB in the beginning and 53.0 MB in the end (delta: -19.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:52:41,357 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 98.6 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:52:41,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1006.34 ms. Allocated memory is still 60.8 MB. Free memory was 39.0 MB in the beginning and 26.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 219.71 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.4 MB in the beginning and 59.9 MB in the end (delta: -33.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1916.47 ms. Allocated memory is still 81.8 MB. Free memory was 59.9 MB in the beginning and 34.4 MB in the end (delta: 25.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35543.34 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 34.1 MB in the beginning and 53.0 MB in the end (delta: -19.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.40 ms. Allocated memory is still 98.6 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 775]: 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 775. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L776] CALL entry_point() [L769] CALL, EXPR probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; [L769] RET, EXPR probe_9() [L769] int ret = probe_9(); [L770] COND TRUE ret==0 [L771] CALL disconnect_9() [L766] free(a9) [L766] free(a9) [L766] free(a9) [L771] RET disconnect_9() [L773] a9 = 0 [L776] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 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: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 35.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 100 SDslu, 367 SDs, 0 SdLazy, 175 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 273 ConstructedInterpolants, 4 QuantifiedInterpolants, 965 SizeOfPredicates, 2 NumberOfNonLiveVariables, 670 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 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 [2021-11-09 09:52:41,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb5fdfb-9240-4fc5-8d00-3588ed848382/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN