./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 ................................................................................................................................... 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_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:00:02,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:00:02,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:00:02,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:00:02,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:00:02,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:00:02,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:00:02,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:00:02,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:00:02,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:00:02,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:00:02,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:00:02,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:00:02,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:00:02,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:00:02,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:00:02,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:00:02,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:00:02,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:00:02,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:00:02,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:00:02,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:00:02,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:00:02,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:00:02,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:00:02,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:00:02,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:00:02,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:00:02,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:00:02,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:00:02,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:00:02,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:00:02,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:00:02,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:00:02,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:00:02,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:00:02,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:00:02,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:00:02,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:00:02,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:00:02,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:00:02,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:00:02,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:00:02,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:00:02,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:00:02,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:00:02,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:00:02,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:00:02,197 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:00:02,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:00:02,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:00:02,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:00:02,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:00:02,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:00:02,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:00:02,198 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:00:02,198 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:00:02,199 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:00:02,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:00:02,199 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:00:02,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:00:02,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:00:02,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:00:02,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:00:02,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:00:02,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:00:02,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:00:02,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:00:02,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:00:02,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:00:02,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:00:02,202 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_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-10-21 19:00:02,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:00:02,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:00:02,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:00:02,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:00:02,500 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:00:02,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-21 19:00:02,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/41d2158cd/cd506d9271044156a75605555a092f63/FLAG26ebdfd9d [2021-10-21 19:00:03,128 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:00:03,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-21 19:00:03,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/41d2158cd/cd506d9271044156a75605555a092f63/FLAG26ebdfd9d [2021-10-21 19:00:03,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/41d2158cd/cd506d9271044156a75605555a092f63 [2021-10-21 19:00:03,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:00:03,408 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:00:03,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:00:03,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:00:03,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:00:03,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:00:03" (1/1) ... [2021-10-21 19:00:03,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7d705e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:03, skipping insertion in model container [2021-10-21 19:00:03,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:00:03" (1/1) ... [2021-10-21 19:00:03,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:00:03,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:00:03,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:00:03,897 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-21 19:00:03,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69b3e520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:03, skipping insertion in model container [2021-10-21 19:00:03,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:00:03,898 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:00:03,900 INFO L168 Benchmark]: Toolchain (without parser) took 490.65 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 78.3 MB in the end (delta: -26.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:03,901 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory was 61.1 MB in the beginning and 61.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:00:03,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.03 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.2 MB in the beginning and 78.3 MB in the end (delta: -27.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:03,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory was 61.1 MB in the beginning and 61.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.03 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.2 MB in the beginning and 78.3 MB in the end (delta: -27.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:00:06,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:00:06,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:00:06,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:00:06,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:00:06,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:00:06,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:00:06,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:00:06,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:00:06,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:00:06,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:00:06,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:00:06,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:00:06,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:00:06,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:00:06,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:00:06,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:00:06,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:00:06,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:00:06,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:00:06,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:00:06,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:00:06,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:00:06,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:00:06,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:00:06,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:00:06,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:00:06,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:00:06,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:00:06,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:00:06,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:00:06,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:00:06,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:00:06,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:00:06,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:00:06,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:00:06,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:00:06,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:00:06,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:00:06,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:00:06,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:00:06,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:00:06,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:00:06,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:00:06,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:00:06,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:00:06,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:00:06,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:00:06,343 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:00:06,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:00:06,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:00:06,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:00:06,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:00:06,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:00:06,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:00:06,346 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:00:06,346 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:00:06,346 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:00:06,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:00:06,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:00:06,347 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:00:06,347 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:00:06,347 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:00:06,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:00:06,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:00:06,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:00:06,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:00:06,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:00:06,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:00:06,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:00:06,349 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:00:06,349 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:00:06,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:00:06,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:00:06,350 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_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-10-21 19:00:06,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:00:06,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:00:06,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:00:06,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:00:06,779 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:00:06,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-21 19:00:06,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/ad511f329/5921b30cf697479f83e252e2bc3a49cc/FLAG9ee0c59c0 [2021-10-21 19:00:07,497 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:00:07,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-21 19:00:07,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/ad511f329/5921b30cf697479f83e252e2bc3a49cc/FLAG9ee0c59c0 [2021-10-21 19:00:07,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/data/ad511f329/5921b30cf697479f83e252e2bc3a49cc [2021-10-21 19:00:07,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:00:07,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:00:07,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:00:07,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:00:07,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:00:07,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:00:07" (1/1) ... [2021-10-21 19:00:07,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a95c44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:07, skipping insertion in model container [2021-10-21 19:00:07,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:00:07" (1/1) ... [2021-10-21 19:00:07,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:00:07,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:00:08,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:00:08,361 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:00:08,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:00:08,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:00:08,485 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:00:08,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:00:08,604 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:00:08,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08 WrapperNode [2021-10-21 19:00:08,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:00:08,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:00:08,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:00:08,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:00:08,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:00:08,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:00:08,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:00:08,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:00:08,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (1/1) ... [2021-10-21 19:00:08,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:00:08,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:00:08,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:00:08,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:00:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:00:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:00:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:00:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:00:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:00:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:00:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:00:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:00:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:00:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:00:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:00:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:00:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:00:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:00:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:00:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:00:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:00:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:00:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:00:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:00:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:00:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:00:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:00:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:00:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:00:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:00:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:00:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:00:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:00:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:00:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:00:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:00:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:00:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:00:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:00:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:00:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:00:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:00:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:00:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:00:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:00:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:00:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:00:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:00:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:00:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:00:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:00:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:00:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:00:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:00:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:00:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:00:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:00:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:00:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:00:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:00:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:00:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:00:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:00:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:00:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:00:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:00:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:00:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:00:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:00:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:00:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:00:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:00:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:00:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:00:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:00:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:00:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:00:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:00:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:00:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:00:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:00:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:00:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:00:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:00:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:00:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:00:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:00:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:00:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:00:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:00:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:00:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:00:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:00:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:00:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:00:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:00:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:00:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:00:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:00:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:00:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:00:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:00:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:00:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:00:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:00:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:00:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:00:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:00:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:00:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:00:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:00:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:00:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:00:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:00:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:00:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:00:09,528 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:00:09,986 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:00:10,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:00:10,322 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:00:10,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:00:10 BoogieIcfgContainer [2021-10-21 19:00:10,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:00:10,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:00:10,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:00:10,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:00:10,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:00:07" (1/3) ... [2021-10-21 19:00:10,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e772914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:00:10, skipping insertion in model container [2021-10-21 19:00:10,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:00:08" (2/3) ... [2021-10-21 19:00:10,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e772914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:00:10, skipping insertion in model container [2021-10-21 19:00:10,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:00:10" (3/3) ... [2021-10-21 19:00:10,360 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2021-10-21 19:00:10,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:00:10,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2021-10-21 19:00:10,420 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:00:10,427 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:00:10,427 INFO L340 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2021-10-21 19:00:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-10-21 19:00:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 19:00:10,461 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:10,462 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:00:10,462 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-21 19:00:10,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:10,468 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2021-10-21 19:00:10,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:00:10,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039659630] [2021-10-21 19:00:10,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:10,481 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:00:10,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:00:10,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:00:10,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:00:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:10,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:00:10,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:00:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:10,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:00:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:10,878 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:00:10,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039659630] [2021-10-21 19:00:10,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039659630] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:10,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:10,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:00:10,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293525071] [2021-10-21 19:00:10,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:00:10,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:00:10,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:00:10,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:10,911 INFO L87 Difference]: Start difference. First operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:00:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:10,950 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-10-21 19:00:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:00:10,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-10-21 19:00:10,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:10,961 INFO L225 Difference]: With dead ends: 29 [2021-10-21 19:00:10,962 INFO L226 Difference]: Without dead ends: 26 [2021-10-21 19:00:10,963 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:10,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-21 19:00:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-21 19:00:10,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:00:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-10-21 19:00:10,997 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2021-10-21 19:00:10,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:10,997 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-10-21 19:00:10,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:00:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-10-21 19:00:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:00:10,998 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:10,998 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:00:11,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:00:11,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:00:11,215 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-21 19:00:11,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:11,218 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2021-10-21 19:00:11,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:00:11,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721434612] [2021-10-21 19:00:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:11,221 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:00:11,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:00:11,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:00:11,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:00:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:11,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:00:11,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:00:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:11,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:00:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:11,698 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:00:11,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721434612] [2021-10-21 19:00:11,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1721434612] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:11,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:11,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-21 19:00:11,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663579841] [2021-10-21 19:00:11,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:00:11,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:00:11,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:00:11,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:00:11,702 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:00:11,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:11,805 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-10-21 19:00:11,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:00:11,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 14 [2021-10-21 19:00:11,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:11,809 INFO L225 Difference]: With dead ends: 35 [2021-10-21 19:00:11,809 INFO L226 Difference]: Without dead ends: 35 [2021-10-21 19:00:11,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 76.1ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:00:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-21 19:00:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2021-10-21 19:00:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:00:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-10-21 19:00:11,814 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2021-10-21 19:00:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:11,815 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-10-21 19:00:11,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:00:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-10-21 19:00:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:00:11,816 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:11,816 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:00:11,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:00:12,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:00:12,016 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-21 19:00:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2021-10-21 19:00:12,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:00:12,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416928152] [2021-10-21 19:00:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:12,018 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:00:12,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:00:12,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:00:12,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:00:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:12,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:00:12,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:00:12,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-21 19:00:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:12,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:00:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:12,360 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:00:12,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416928152] [2021-10-21 19:00:12,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416928152] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:12,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:12,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:00:12,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532600078] [2021-10-21 19:00:12,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:00:12,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:00:12,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:00:12,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:12,362 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:00:12,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:12,404 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-10-21 19:00:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:00:12,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-21 19:00:12,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:12,405 INFO L225 Difference]: With dead ends: 30 [2021-10-21 19:00:12,405 INFO L226 Difference]: Without dead ends: 30 [2021-10-21 19:00:12,406 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:12,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-21 19:00:12,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-21 19:00:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-21 19:00:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-10-21 19:00:12,411 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2021-10-21 19:00:12,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:12,412 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-10-21 19:00:12,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:00:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-10-21 19:00:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:00:12,413 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:12,413 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:00:12,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:00:12,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:00:12,624 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-21 19:00:12,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:12,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2021-10-21 19:00:12,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:00:12,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51779449] [2021-10-21 19:00:12,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:12,625 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:00:12,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:00:12,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:00:12,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:00:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:12,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:00:12,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:00:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:12,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:00:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:12,913 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:00:12,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51779449] [2021-10-21 19:00:12,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51779449] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:12,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:12,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:00:12,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710503992] [2021-10-21 19:00:12,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:00:12,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:00:12,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:00:12,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:12,916 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:00:12,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:12,943 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-10-21 19:00:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:00:12,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-21 19:00:12,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:12,944 INFO L225 Difference]: With dead ends: 34 [2021-10-21 19:00:12,945 INFO L226 Difference]: Without dead ends: 34 [2021-10-21 19:00:12,945 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:12,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-21 19:00:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-10-21 19:00:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-21 19:00:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-10-21 19:00:12,951 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2021-10-21 19:00:12,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:12,951 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-10-21 19:00:12,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-21 19:00:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-10-21 19:00:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:00:12,952 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:12,952 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:00:12,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:00:13,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:00:13,152 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-21 19:00:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:13,157 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2021-10-21 19:00:13,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:00:13,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100067618] [2021-10-21 19:00:13,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:13,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:00:13,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:00:13,158 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:00:13,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:00:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:00:13,325 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:00:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:00:13,369 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 19:00:13,369 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:00:13,370 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:00:13,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:00:13,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:00:13,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:00:13,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:00:13,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:00:13,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:00:13,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:00:13,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:00:13,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:00:13,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:00:13,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:00:13,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:00:13,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:00:13,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:00:13,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:00:13,603 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:00:13,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:00:13 BoogieIcfgContainer [2021-10-21 19:00:13,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:00:13,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:00:13,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:00:13,634 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:00:13,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:00:10" (3/4) ... [2021-10-21 19:00:13,637 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:00:13,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:00:13,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:00:13,673 INFO L168 Benchmark]: Toolchain (without parser) took 5836.07 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.3 MB in the beginning and 39.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:13,674 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:00:13,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.03 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 31.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:13,675 INFO L168 Benchmark]: Boogie Preprocessor took 109.12 ms. Allocated memory is still 67.1 MB. Free memory was 31.8 MB in the beginning and 47.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:13,675 INFO L168 Benchmark]: RCFGBuilder took 1608.68 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.4 MB in the beginning and 35.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:13,676 INFO L168 Benchmark]: TraceAbstraction took 3304.59 ms. Allocated memory is still 81.8 MB. Free memory was 35.2 MB in the beginning and 41.9 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:00:13,676 INFO L168 Benchmark]: Witness Printer took 37.72 ms. Allocated memory is still 81.8 MB. Free memory was 41.9 MB in the beginning and 39.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:13,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 770.03 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 31.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.12 ms. Allocated memory is still 67.1 MB. Free memory was 31.8 MB in the beginning and 47.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1608.68 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.4 MB in the beginning and 35.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3304.59 ms. Allocated memory is still 81.8 MB. Free memory was 35.2 MB in the beginning and 41.9 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 37.72 ms. Allocated memory is still 81.8 MB. Free memory was 41.9 MB in the beginning and 39.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] - 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: 762]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed 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: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 3182.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 22.0ms, AutomataDifference: 257.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 208 SDs, 0 SdLazy, 124 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 132.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 124.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 35.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 47.0ms SsaConstructionTime, 104.6ms SatisfiabilityAnalysisTime, 778.5ms InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 proved your program to be incorrect! [2021-10-21 19:00:13,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1316f9-fb45-4205-bcd7-d5c0acb87254/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...