./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:32:24,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:32:24,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:32:24,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:32:24,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:32:24,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:32:24,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:32:24,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:32:24,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:32:24,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:32:24,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:32:24,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:32:24,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:32:24,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:32:24,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:32:24,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:32:24,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:32:24,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:32:24,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:32:24,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:32:24,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:32:24,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:32:24,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:32:24,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:32:24,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:32:24,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:32:24,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:32:24,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:32:24,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:32:24,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:32:24,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:32:24,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:32:24,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:32:24,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:32:24,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:32:24,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:32:24,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:32:24,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:32:24,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:32:24,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:32:24,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:32:24,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:32:24,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:32:24,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:32:24,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:32:24,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:32:24,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:32:24,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:32:24,715 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:32:24,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:32:24,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:32:24,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:32:24,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:32:24,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:32:24,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:32:24,717 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:32:24,717 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:32:24,717 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:32:24,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:32:24,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:32:24,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:32:24,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:32:24,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:32:24,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:32:24,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:32:24,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:32:24,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:32:24,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:32:24,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:32:24,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:32:24,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:32:24,727 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_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 [2021-10-21 19:32:24,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:32:24,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:32:24,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:32:24,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:32:24,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:32:24,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-21 19:32:25,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/c1a5f5a9c/25aa0f3a5b6f4bb390c90d530439d295/FLAG894a7b440 [2021-10-21 19:32:25,699 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:32:25,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-21 19:32:25,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/c1a5f5a9c/25aa0f3a5b6f4bb390c90d530439d295/FLAG894a7b440 [2021-10-21 19:32:25,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/c1a5f5a9c/25aa0f3a5b6f4bb390c90d530439d295 [2021-10-21 19:32:25,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:32:25,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:32:25,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:32:25,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:32:25,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:32:25,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:32:25" (1/1) ... [2021-10-21 19:32:25,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6611c22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:25, skipping insertion in model container [2021-10-21 19:32:25,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:32:25" (1/1) ... [2021-10-21 19:32:25,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:32:26,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:32:26,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:32:26,506 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-21 19:32:26,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1744b559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:26, skipping insertion in model container [2021-10-21 19:32:26,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:32:26,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:32:26,509 INFO L168 Benchmark]: Toolchain (without parser) took 543.22 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 63.8 MB in the beginning and 96.3 MB in the end (delta: -32.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:26,510 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:32:26,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.80 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 63.6 MB in the beginning and 96.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:26,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.80 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 63.6 MB in the beginning and 96.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:32:28,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:32:28,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:32:28,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:32:28,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:32:28,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:32:28,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:32:28,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:32:28,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:32:28,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:32:28,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:32:28,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:32:28,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:32:28,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:32:28,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:32:28,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:32:28,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:32:28,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:32:28,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:32:28,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:32:28,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:32:28,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:32:28,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:32:28,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:32:28,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:32:28,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:32:28,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:32:28,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:32:28,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:32:28,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:32:28,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:32:28,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:32:28,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:32:28,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:32:28,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:32:28,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:32:28,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:32:28,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:32:28,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:32:28,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:32:28,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:32:28,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:32:29,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:32:29,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:32:29,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:32:29,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:32:29,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:32:29,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:32:29,033 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:32:29,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:32:29,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:32:29,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:32:29,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:32:29,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:32:29,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:32:29,036 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:32:29,036 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:32:29,036 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:32:29,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:32:29,037 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:32:29,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:32:29,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:32:29,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:32:29,038 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:32:29,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:32:29,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:32:29,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:32:29,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:32:29,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:32:29,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:32:29,039 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:32:29,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:32:29,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:32:29,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:32:29,040 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_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 [2021-10-21 19:32:29,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:32:29,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:32:29,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:32:29,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:32:29,433 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:32:29,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-21 19:32:29,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/b041b5d10/c6c369c597b64001a5e98fa1d2b99cfb/FLAG8ce4e34b7 [2021-10-21 19:32:30,126 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:32:30,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-21 19:32:30,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/b041b5d10/c6c369c597b64001a5e98fa1d2b99cfb/FLAG8ce4e34b7 [2021-10-21 19:32:30,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/data/b041b5d10/c6c369c597b64001a5e98fa1d2b99cfb [2021-10-21 19:32:30,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:32:30,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:32:30,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:32:30,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:32:30,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:32:30,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:32:30" (1/1) ... [2021-10-21 19:32:30,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b16c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:30, skipping insertion in model container [2021-10-21 19:32:30,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:32:30" (1/1) ... [2021-10-21 19:32:30,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:32:30,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:32:30,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:32:30,971 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:32:30,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:32:31,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:32:31,082 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:32:31,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:32:31,226 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:32:31,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31 WrapperNode [2021-10-21 19:32:31,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:32:31,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:32:31,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:32:31,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:32:31,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:32:31,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:32:31,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:32:31,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:32:31,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (1/1) ... [2021-10-21 19:32:31,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:32:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:32:31,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:32:31,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:32:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:32:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:32:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:32:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:32:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:32:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:32:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:32:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:32:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:32:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:32:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:32:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:32:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:32:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:32:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:32:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:32:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:32:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:32:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:32:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:32:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:32:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:32:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:32:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:32:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:32:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:32:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:32:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:32:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:32:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:32:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:32:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:32:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:32:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:32:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:32:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2021-10-21 19:32:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-10-21 19:32:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:32:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:32:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:32:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:32:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:32:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:32:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:32:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:32:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:32:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:32:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:32:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:32:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:32:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:32:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:32:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:32:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:32:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:32:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:32:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:32:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:32:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:32:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:32:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:32:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:32:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:32:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:32:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:32:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:32:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:32:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:32:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:32:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:32:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:32:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:32:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:32:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:32:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:32:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:32:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:32:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:32:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:32:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:32:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:32:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:32:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:32:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:32:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:32:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:32:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:32:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:32:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:32:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:32:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:32:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:32:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:32:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:32:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:32:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:32:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:32:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:32:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:32:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:32:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:32:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:32:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:32:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:32:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:32:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:32:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:32:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:32:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:32:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:32:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:32:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:32:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:32:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:32:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:32:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:32:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:32:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:32:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:32:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:32:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:32:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:32:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:32:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:32:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:32:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:32:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:32:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:32:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:32:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:32:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:32:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:32:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:32:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:32:32,175 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:32:32,598 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:32:32,941 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:32:32,941 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:32:32,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:32:32 BoogieIcfgContainer [2021-10-21 19:32:32,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:32:32,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:32:32,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:32:32,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:32:32,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:32:30" (1/3) ... [2021-10-21 19:32:32,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688f47ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:32:32, skipping insertion in model container [2021-10-21 19:32:32,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:31" (2/3) ... [2021-10-21 19:32:32,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688f47ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:32:32, skipping insertion in model container [2021-10-21 19:32:32,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:32:32" (3/3) ... [2021-10-21 19:32:32,956 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i [2021-10-21 19:32:32,962 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:32:32,962 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-21 19:32:33,023 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:32:33,032 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:32:33,032 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-21 19:32:33,051 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) [2021-10-21 19:32:33,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:32:33,095 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:33,096 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:33,096 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)] === [2021-10-21 19:32:33,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:33,102 INFO L82 PathProgramCache]: Analyzing trace with hash 426051374, now seen corresponding path program 1 times [2021-10-21 19:32:33,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:32:33,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482358125] [2021-10-21 19:32:33,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:33,117 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:32:33,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:32:33,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:32:33,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:32:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:33,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:32:33,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:33,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:32:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:33,657 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:32:33,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482358125] [2021-10-21 19:32:33,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482358125] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:33,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:33,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:32:33,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828944559] [2021-10-21 19:32:33,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:32:33,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:32:33,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:32:33,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:32:33,708 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) [2021-10-21 19:32:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:33,775 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-10-21 19:32:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:32:33,777 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 [2021-10-21 19:32:33,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:33,785 INFO L225 Difference]: With dead ends: 34 [2021-10-21 19:32:33,785 INFO L226 Difference]: Without dead ends: 31 [2021-10-21 19:32:33,787 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.4ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:32:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-21 19:32:33,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-21 19:32:33,820 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) [2021-10-21 19:32:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-10-21 19:32:33,823 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2021-10-21 19:32:33,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:33,824 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-10-21 19:32:33,824 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) [2021-10-21 19:32:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-10-21 19:32:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:32:33,826 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:33,826 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:33,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:34,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:32:34,038 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)] === [2021-10-21 19:32:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:34,038 INFO L82 PathProgramCache]: Analyzing trace with hash 322691135, now seen corresponding path program 1 times [2021-10-21 19:32:34,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:32:34,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021075926] [2021-10-21 19:32:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:34,039 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:32:34,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:32:34,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:32:34,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:32:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:34,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:32:34,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:34,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:32:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:34,675 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:32:34,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021075926] [2021-10-21 19:32:34,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021075926] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:34,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:34,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-21 19:32:34,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294045080] [2021-10-21 19:32:34,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:32:34,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:32:34,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:32:34,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:32:34,678 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) [2021-10-21 19:32:34,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:34,926 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2021-10-21 19:32:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:32:34,927 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 [2021-10-21 19:32:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:34,929 INFO L225 Difference]: With dead ends: 45 [2021-10-21 19:32:34,929 INFO L226 Difference]: Without dead ends: 45 [2021-10-21 19:32:34,930 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 160.4ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:32:34,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-21 19:32:34,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-10-21 19:32:34,935 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) [2021-10-21 19:32:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-10-21 19:32:34,936 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 21 [2021-10-21 19:32:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:34,937 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-10-21 19:32:34,937 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) [2021-10-21 19:32:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-10-21 19:32:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:32:34,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:34,938 INFO L512 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] [2021-10-21 19:32:34,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:35,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:32:35,139 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)] === [2021-10-21 19:32:35,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:35,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1413491024, now seen corresponding path program 1 times [2021-10-21 19:32:35,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:32:35,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415100013] [2021-10-21 19:32:35,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:35,140 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:32:35,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:32:35,142 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:32:35,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:32:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:35,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:32:35,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:35,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-21 19:32:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:35,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:32:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:35,622 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:32:35,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415100013] [2021-10-21 19:32:35,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415100013] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:35,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:35,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:32:35,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653053771] [2021-10-21 19:32:35,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:32:35,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:32:35,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:32:35,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:32:35,628 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) [2021-10-21 19:32:35,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:35,689 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-10-21 19:32:35,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:32:35,690 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 [2021-10-21 19:32:35,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:35,695 INFO L225 Difference]: With dead ends: 43 [2021-10-21 19:32:35,696 INFO L226 Difference]: Without dead ends: 43 [2021-10-21 19:32:35,696 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:32:35,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-21 19:32:35,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-21 19:32:35,709 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) [2021-10-21 19:32:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-10-21 19:32:35,713 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 22 [2021-10-21 19:32:35,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:35,714 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-10-21 19:32:35,714 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) [2021-10-21 19:32:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-10-21 19:32:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:32:35,716 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:35,716 INFO L512 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] [2021-10-21 19:32:35,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:35,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:32:35,929 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)] === [2021-10-21 19:32:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:35,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1120088017, now seen corresponding path program 1 times [2021-10-21 19:32:35,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:32:35,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136242345] [2021-10-21 19:32:35,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:35,931 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:32:35,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:32:35,932 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:32:35,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:32:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:36,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:32:36,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:36,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:32:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:36,392 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:32:36,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136242345] [2021-10-21 19:32:36,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136242345] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:36,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:36,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-21 19:32:36,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531110376] [2021-10-21 19:32:36,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:32:36,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:32:36,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:32:36,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:32:36,396 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) [2021-10-21 19:32:36,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:36,458 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2021-10-21 19:32:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:32:36,460 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 [2021-10-21 19:32:36,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:36,461 INFO L225 Difference]: With dead ends: 44 [2021-10-21 19:32:36,461 INFO L226 Difference]: Without dead ends: 44 [2021-10-21 19:32:36,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 45.6ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:32:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-21 19:32:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2021-10-21 19:32:36,465 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) [2021-10-21 19:32:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2021-10-21 19:32:36,466 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2021-10-21 19:32:36,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:36,468 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2021-10-21 19:32:36,469 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) [2021-10-21 19:32:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-10-21 19:32:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:32:36,471 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:36,471 INFO L512 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] [2021-10-21 19:32:36,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:36,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:32:36,691 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)] === [2021-10-21 19:32:36,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:36,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1413668411, now seen corresponding path program 1 times [2021-10-21 19:32:36,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:32:36,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562611725] [2021-10-21 19:32:36,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:36,692 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:32:36,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:32:36,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:32:36,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:32:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:36,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:32:36,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:36,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:32:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:37,073 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:32:37,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562611725] [2021-10-21 19:32:37,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562611725] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:37,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:37,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-21 19:32:37,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719162303] [2021-10-21 19:32:37,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:32:37,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:32:37,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:32:37,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:32:37,076 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) [2021-10-21 19:32:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:37,087 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2021-10-21 19:32:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:32:37,087 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 [2021-10-21 19:32:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:37,090 INFO L225 Difference]: With dead ends: 40 [2021-10-21 19:32:37,090 INFO L226 Difference]: Without dead ends: 40 [2021-10-21 19:32:37,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:32:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-21 19:32:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2021-10-21 19:32:37,098 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) [2021-10-21 19:32:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2021-10-21 19:32:37,100 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2021-10-21 19:32:37,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:37,100 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2021-10-21 19:32:37,101 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) [2021-10-21 19:32:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2021-10-21 19:32:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:32:37,102 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:37,102 INFO L512 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] [2021-10-21 19:32:37,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:37,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:32:37,311 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)] === [2021-10-21 19:32:37,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:37,311 INFO L82 PathProgramCache]: Analyzing trace with hash -687189059, now seen corresponding path program 1 times [2021-10-21 19:32:37,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:32:37,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383595758] [2021-10-21 19:32:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:37,312 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:32:37,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:32:37,313 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:32:37,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-21 19:32:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:37,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:32:37,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:37,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:32:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:37,765 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:32:37,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383595758] [2021-10-21 19:32:37,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1383595758] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:37,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:37,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:32:37,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406886348] [2021-10-21 19:32:37,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:32:37,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:32:37,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:32:37,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:37,769 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) [2021-10-21 19:32:37,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:37,806 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2021-10-21 19:32:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:32:37,807 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 [2021-10-21 19:32:37,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:37,810 INFO L225 Difference]: With dead ends: 42 [2021-10-21 19:32:37,810 INFO L226 Difference]: Without dead ends: 38 [2021-10-21 19:32:37,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:37,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-21 19:32:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2021-10-21 19:32:37,817 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) [2021-10-21 19:32:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2021-10-21 19:32:37,818 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 22 [2021-10-21 19:32:37,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:37,818 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2021-10-21 19:32:37,818 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) [2021-10-21 19:32:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2021-10-21 19:32:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-21 19:32:37,820 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:37,820 INFO L512 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] [2021-10-21 19:32:37,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:38,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:32:38,033 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)] === [2021-10-21 19:32:38,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:38,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2013122506, now seen corresponding path program 1 times [2021-10-21 19:32:38,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:32:38,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756143479] [2021-10-21 19:32:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:38,035 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:32:38,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:32:38,036 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:32:38,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-21 19:32:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:38,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:32:38,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:38,406 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 [2021-10-21 19:32:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:38,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:32:49,758 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:32:49,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756143479] [2021-10-21 19:32:49,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1)=(= (select (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_1 v_antiDerIndex_entry0_1))} [2021-10-21 19:32:49,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2045371580] [2021-10-21 19:32:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:49,760 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-21 19:32:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/cvc4 [2021-10-21 19:32:49,762 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-21 19:32:49,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-21 19:32:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:50,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-21 19:32:50,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:50,242 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-21 19:32:50,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-21 19:32:55,016 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 [2021-10-21 19:32:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:57,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:33:09,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_18| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_18| v_~a9~0.base_93 (_ bv0 1)) v_antiDerIndex_entry0_2) (select v_prenex_3 v_antiDerIndex_entry0_2))} [2021-10-21 19:33:09,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939207515] [2021-10-21 19:33:09,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:33:09,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:33:09,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:33:10,007 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:33:10,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 19:33:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:33:10,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 19:33:10,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:33:10,411 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 [2021-10-21 19:33:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:33:10,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:33:25,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_24| v_~a9~0.base_93 (_ bv0 1)) v_prenex_5)=(= (select (store |v_old(#valid)_BEFORE_CALL_24| v_~a9~0.base_93 (_ bv0 1)) v_antiDerIndex_entry0_3) (select v_prenex_5 v_antiDerIndex_entry0_3))} [2021-10-21 19:33:25,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:33:25,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-21 19:33:25,269 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-21 19:33:25,269 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-21 19:33:25,275 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:33:25,276 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,277 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,277 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:33:25,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:33:25,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:33:25,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:33:25,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:33:25,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:33:25,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:33:25,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:33:25,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:33:25,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:33:25,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:33:25,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:33:25,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:33:25,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:25,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:33:25,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-10-21 19:33:25,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt [2021-10-21 19:33:25,914 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:33:25,917 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-21 19:33:25,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:33:25 BoogieIcfgContainer [2021-10-21 19:33:25,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:33:25,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:33:25,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:33:25,927 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:33:25,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:32:32" (3/4) ... [2021-10-21 19:33:25,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:33:25,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:33:25,937 INFO L168 Benchmark]: Toolchain (without parser) took 55541.52 ms. Allocated memory was 56.6 MB in the beginning and 104.9 MB in the end (delta: 48.2 MB). Free memory was 32.5 MB in the beginning and 49.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:25,937 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:33:25,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.71 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.3 MB in the beginning and 49.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:25,939 INFO L168 Benchmark]: Boogie Preprocessor took 105.52 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 44.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:25,939 INFO L168 Benchmark]: RCFGBuilder took 1609.70 ms. Allocated memory is still 69.2 MB. Free memory was 44.5 MB in the beginning and 31.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:25,940 INFO L168 Benchmark]: TraceAbstraction took 52977.17 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 31.4 MB in the beginning and 49.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:33:25,940 INFO L168 Benchmark]: Witness Printer took 6.82 ms. Allocated memory is still 104.9 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:33:25,942 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 56.6 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 832.71 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.3 MB in the beginning and 49.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.52 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 44.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1609.70 ms. Allocated memory is still 69.2 MB. Free memory was 44.5 MB in the beginning and 31.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52977.17 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 31.4 MB in the beginning and 49.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.82 ms. Allocated memory is still 104.9 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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: 52890.8ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 55.8ms, AutomataDifference: 564.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 194 SDtfs, 100 SDslu, 367 SDs, 0 SdLazy, 175 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 223.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 272.6ms Time, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: 67.1ms AutomataMinimizationTime, 6 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 68.4ms SsaConstructionTime, 181.6ms SatisfiabilityAnalysisTime, 1754.1ms InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 713 SizeOfPredicates, 1 NumberOfNonLiveVariables, 566 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 [2021-10-21 19:33:25,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6fa2ea-5e7e-44e4-af1c-2790f96ecbb0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...