./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg --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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 ................................................................................................................................... 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_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg --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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:25:38,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:25:38,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:25:38,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:25:38,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:25:38,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:25:38,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:25:38,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:25:38,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:25:38,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:25:38,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:25:38,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:25:38,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:25:38,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:25:38,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:25:38,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:25:38,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:25:38,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:25:38,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:25:38,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:25:38,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:25:38,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:25:38,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:25:38,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:25:38,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:25:38,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:25:38,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:25:38,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:25:38,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:25:38,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:25:38,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:25:38,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:25:38,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:25:38,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:25:38,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:25:38,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:25:38,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:25:38,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:25:38,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:25:38,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:25:38,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:25:38,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:25:38,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:25:38,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:25:38,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:25:38,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:25:38,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:25:38,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:25:38,620 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:25:38,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:25:38,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:25:38,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:25:38,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:25:38,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:25:38,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:25:38,622 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:25:38,622 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:25:38,622 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:25:38,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:25:38,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:25:38,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:25:38,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:25:38,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:25:38,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:25:38,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:25:38,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:25:38,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:25:38,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:25:38,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:25:38,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:25:38,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:25:38,626 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_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-28 09:25:38,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:25:38,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:25:38,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:25:38,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:25:38,930 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:25:38,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 09:25:39,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/6bdfdeb14/0b104c0c65904e44a979a6cea5bab107/FLAG340abe3eb [2021-10-28 09:25:39,619 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:25:39,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 09:25:39,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/6bdfdeb14/0b104c0c65904e44a979a6cea5bab107/FLAG340abe3eb [2021-10-28 09:25:39,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/6bdfdeb14/0b104c0c65904e44a979a6cea5bab107 [2021-10-28 09:25:39,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:25:39,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:25:39,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:39,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:25:39,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:25:39,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:39" (1/1) ... [2021-10-28 09:25:39,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ca0bbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:39, skipping insertion in model container [2021-10-28 09:25:39,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:39" (1/1) ... [2021-10-28 09:25:39,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:25:39,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:25:40,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:40,527 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 09:25:40,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e763f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:40, skipping insertion in model container [2021-10-28 09:25:40,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:40,528 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:25:40,531 INFO L168 Benchmark]: Toolchain (without parser) took 640.48 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 65.5 MB in the beginning and 105.6 MB in the end (delta: -40.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:40,532 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:40,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.39 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 65.2 MB in the beginning and 105.6 MB in the end (delta: -40.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:40,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 637.39 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 65.2 MB in the beginning and 105.6 MB in the end (delta: -40.4 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-b2eff8b [2021-10-28 09:25:43,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:25:43,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:25:43,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:25:43,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:25:43,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:25:43,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:25:43,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:25:43,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:25:43,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:25:43,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:25:43,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:25:43,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:25:43,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:25:43,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:25:43,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:25:43,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:25:43,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:25:43,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:25:43,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:25:43,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:25:43,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:25:43,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:25:43,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:25:43,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:25:43,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:25:43,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:25:43,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:25:43,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:25:43,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:25:43,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:25:43,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:25:43,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:25:43,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:25:43,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:25:43,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:25:43,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:25:43,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:25:43,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:25:43,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:25:43,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:25:43,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:25:43,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:25:43,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:25:43,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:25:43,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:25:43,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:25:43,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:25:43,289 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:25:43,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:25:43,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:25:43,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:25:43,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:25:43,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:25:43,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:25:43,291 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:25:43,292 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:25:43,292 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:25:43,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:25:43,293 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:25:43,293 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:25:43,293 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:25:43,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:25:43,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:25:43,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:25:43,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:25:43,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:25:43,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:25:43,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:25:43,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:25:43,296 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:25:43,296 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:25:43,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:25:43,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:25:43,297 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_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-28 09:25:43,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:25:43,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:25:43,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:25:43,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:25:43,872 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:25:43,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 09:25:43,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/c8b7366b0/2673f30aa0954ee1b3db99e6ab028de5/FLAG871094697 [2021-10-28 09:25:44,786 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:25:44,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 09:25:44,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/c8b7366b0/2673f30aa0954ee1b3db99e6ab028de5/FLAG871094697 [2021-10-28 09:25:44,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/data/c8b7366b0/2673f30aa0954ee1b3db99e6ab028de5 [2021-10-28 09:25:44,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:25:44,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:25:44,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:44,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:25:44,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:25:44,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:44" (1/1) ... [2021-10-28 09:25:45,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f8cce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45, skipping insertion in model container [2021-10-28 09:25:45,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:44" (1/1) ... [2021-10-28 09:25:45,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:25:45,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:25:45,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:45,690 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:25:45,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:25:45,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:45,816 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:25:45,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:45,938 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:25:45,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45 WrapperNode [2021-10-28 09:25:45,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:45,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:25:45,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:25:45,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:25:45,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:45,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:45,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:45,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:46,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:46,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:46,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:46,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:25:46,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:25:46,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:25:46,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:25:46,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (1/1) ... [2021-10-28 09:25:46,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:25:46,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:46,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:46,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:25:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:25:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:25:46,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:25:46,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:25:46,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:25:46,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:25:46,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:25:46,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:25:46,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:25:46,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:25:46,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:25:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:25:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:25:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:25:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:25:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:25:46,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:25:46,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:25:46,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:25:46,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:25:46,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:25:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:25:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:25:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:25:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:25:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:25:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:25:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:25:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:25:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:25:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:25:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:25:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:25:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:25:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:25:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:25:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:25:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:25:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:25:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:25:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:25:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:25:46,202 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2021-10-28 09:25:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-10-28 09:25:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:25:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:25:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:25:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:25:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:25:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:25:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:25:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:25:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:25:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:25:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:25:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:25:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:25:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:25:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:25:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:25:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:25:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:25:46,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:25:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:25:46,210 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:25:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:25:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:25:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:25:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:25:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:25:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:25:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:25:46,212 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:25:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:25:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:25:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:25:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:25:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:25:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:25:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:25:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:25:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:25:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:25:46,215 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:25:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:25:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:25:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:25:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:25:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:25:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:25:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:25:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:25:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:25:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:25:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:25:46,217 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:25:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:25:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:25:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:25:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:25:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:25:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:25:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:25:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:25:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:25:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:25:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:25:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:25:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:25:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:25:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:25:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:25:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:25:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:25:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:25:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:25:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:25:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:25:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:25:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:25:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:25:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:25:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:25:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:25:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:25:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:25:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:25:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:25:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:25:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:25:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:25:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:25:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:25:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:25:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:25:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:25:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:25:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:25:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:25:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:25:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:25:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:25:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:25:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:25:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:25:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:25:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:25:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:25:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:25:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:25:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:25:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:25:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:25:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:25:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:25:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:25:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:25:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:25:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:25:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:25:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:25:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:25:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:25:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:25:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:25:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:25:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:25:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:25:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:25:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:25:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:25:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:25:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:25:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:25:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:25:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:25:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:25:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:25:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:25:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:25:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:25:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:25:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:25:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:25:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:25:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:25:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:25:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:25:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:25:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:25:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:25:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:25:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:25:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:25:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:25:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:25:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:25:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:25:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:25:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:25:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2021-10-28 09:25:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-10-28 09:25:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:25:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:25:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:25:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:25:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:25:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:25:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:25:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:25:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:25:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:25:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:25:47,035 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:25:47,494 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:25:47,857 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:25:47,857 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:25:47,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:47 BoogieIcfgContainer [2021-10-28 09:25:47,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:25:47,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:25:47,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:25:47,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:25:47,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:25:44" (1/3) ... [2021-10-28 09:25:47,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179c5cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:25:47, skipping insertion in model container [2021-10-28 09:25:47,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:45" (2/3) ... [2021-10-28 09:25:47,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179c5cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:25:47, skipping insertion in model container [2021-10-28 09:25:47,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:47" (3/3) ... [2021-10-28 09:25:47,870 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-10-28 09:25:47,877 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:25:47,877 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 09:25:47,933 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:25:47,940 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:25:47,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 09:25:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 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) [2021-10-28 09:25:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:25:47,969 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:25:47,970 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:47,971 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)] === [2021-10-28 09:25:47,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:47,977 INFO L85 PathProgramCache]: Analyzing trace with hash -2083159501, now seen corresponding path program 1 times [2021-10-28 09:25:47,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:25:47,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504349277] [2021-10-28 09:25:47,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:47,993 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:25:47,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:25:47,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:25:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:48,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:25:48,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:48,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:25:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:48,553 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:25:48,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504349277] [2021-10-28 09:25:48,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504349277] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:48,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:48,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-28 09:25:48,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126339646] [2021-10-28 09:25:48,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 09:25:48,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:25:48,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:25:48,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:25:48,588 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 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 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-28 09:25:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:48,630 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-10-28 09:25:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:25:48,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 19 [2021-10-28 09:25:48,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:25:48,641 INFO L225 Difference]: With dead ends: 25 [2021-10-28 09:25:48,641 INFO L226 Difference]: Without dead ends: 22 [2021-10-28 09:25:48,643 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:25:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-28 09:25:48,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-28 09:25:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:25:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-10-28 09:25:48,684 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2021-10-28 09:25:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:25:48,685 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-10-28 09:25:48,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-28 09:25:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-10-28 09:25:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:25:48,688 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:25:48,688 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:48,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 09:25:48,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:25:48,913 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:25:48,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:48,915 INFO L85 PathProgramCache]: Analyzing trace with hash -461173850, now seen corresponding path program 1 times [2021-10-28 09:25:48,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:25:48,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434856031] [2021-10-28 09:25:48,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:48,916 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:25:48,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:25:48,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:25:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:49,104 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:49,171 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 09:25:49,172 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:25:49,174 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:25:49,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,179 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:25:49,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:25:49,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:25:49,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:25:49,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:25:49,184 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:25:49,185 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,185 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,185 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,185 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:25:49,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:25:49,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:25:49,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:25:49,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:25:49,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:25:49,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:49,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:49,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:25:49,410 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:25:49,413 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:25:49,436 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 09:25:49,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:25:49 BoogieIcfgContainer [2021-10-28 09:25:49,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:25:49,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:25:49,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:25:49,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:25:49,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:47" (3/4) ... [2021-10-28 09:25:49,472 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:25:49,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:25:49,475 INFO L168 Benchmark]: Toolchain (without parser) took 4484.10 ms. Allocated memory was 54.5 MB in the beginning and 90.2 MB in the end (delta: 35.7 MB). Free memory was 31.1 MB in the beginning and 49.0 MB in the end (delta: -17.9 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:49,476 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:49,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 948.37 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.9 MB in the beginning and 37.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:49,478 INFO L168 Benchmark]: Boogie Preprocessor took 117.77 ms. Allocated memory is still 71.3 MB. Free memory was 37.1 MB in the beginning and 50.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:49,479 INFO L168 Benchmark]: RCFGBuilder took 1801.89 ms. Allocated memory is still 71.3 MB. Free memory was 50.4 MB in the beginning and 38.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:49,480 INFO L168 Benchmark]: TraceAbstraction took 1602.59 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 49.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:49,480 INFO L168 Benchmark]: Witness Printer took 5.25 ms. Allocated memory is still 90.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:49,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 948.37 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.9 MB in the beginning and 37.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.77 ms. Allocated memory is still 71.3 MB. Free memory was 37.1 MB in the beginning and 50.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1801.89 ms. Allocated memory is still 71.3 MB. Free memory was 50.4 MB in the beginning and 38.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1602.59 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 49.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.25 ms. Allocated memory is still 90.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L773] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\old(a9)=null, \old(a9)=null, \result=3, a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] RET, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, probe_9_2()=3] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L770] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L773] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] - 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: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: 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, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 6 SDslu, 85 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2021-10-28 09:25:49,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b238265e-8dc1-48fc-9107-ca0da2757363/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...