./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:17:34,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:17:34,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:17:34,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:17:34,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:17:34,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:17:34,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:17:34,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:17:34,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:17:34,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:17:34,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:17:34,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:17:34,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:17:34,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:17:34,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:17:34,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:17:34,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:17:34,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:17:34,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:17:34,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:17:34,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:17:34,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:17:34,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:17:34,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:17:34,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:17:34,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:17:34,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:17:34,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:17:34,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:17:34,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:17:34,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:17:34,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:17:34,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:17:34,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:17:34,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:17:34,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:17:34,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:17:34,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:17:34,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:17:34,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:17:34,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:17:34,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:17:34,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:17:34,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:17:34,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:17:34,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:17:34,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:17:34,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:17:34,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:17:34,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:17:34,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:17:34,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:17:34,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:17:34,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:17:34,495 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2021-08-27 06:17:34,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:17:34,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:17:34,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:17:34,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:17:34,758 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:17:34,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-08-27 06:17:34,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5b20dfb/73af4e539ca94c45b57f74226ab98cae/FLAGd1efd4a2d [2021-08-27 06:17:35,187 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:17:35,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-08-27 06:17:35,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5b20dfb/73af4e539ca94c45b57f74226ab98cae/FLAGd1efd4a2d [2021-08-27 06:17:35,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5b20dfb/73af4e539ca94c45b57f74226ab98cae [2021-08-27 06:17:35,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:17:35,553 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:17:35,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:17:35,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:17:35,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:17:35,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:17:35" (1/1) ... [2021-08-27 06:17:35,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d538b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:35, skipping insertion in model container [2021-08-27 06:17:35,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:17:35" (1/1) ... [2021-08-27 06:17:35,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:17:35,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:17:35,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:17:35,850 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) [2021-08-27 06:17:35,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@95bf5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:35, skipping insertion in model container [2021-08-27 06:17:35,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:17:35,851 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:17:35,852 INFO L168 Benchmark]: Toolchain (without parser) took 298.66 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 37.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:17:35,852 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 38.9 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:17:35,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.93 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 37.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:17:35,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 38.9 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.93 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 37.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.7 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-20ed64e [2021-08-27 06:17:37,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:17:37,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:17:37,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:17:37,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:17:37,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:17:37,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:17:37,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:17:37,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:17:37,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:17:37,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:17:37,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:17:37,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:17:37,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:17:37,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:17:37,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:17:37,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:17:37,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:17:37,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:17:37,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:17:37,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:17:37,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:17:37,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:17:37,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:17:37,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:17:37,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:17:37,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:17:37,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:17:37,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:17:37,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:17:37,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:17:37,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:17:37,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:17:37,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:17:37,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:17:37,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:17:37,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:17:37,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:17:37,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:17:37,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:17:37,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:17:37,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:17:37,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:17:37,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:17:37,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:17:37,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:17:37,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:17:37,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:17:37,311 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:17:37,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:17:37,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:17:37,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:17:37,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:17:37,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:17:37,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:17:37,312 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:17:37,312 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:17:37,313 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:17:37,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:17:37,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:17:37,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:17:37,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:17:37,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:17:37,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:17:37,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:17:37,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:17:37,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:17:37,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:17:37,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:17:37,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:17:37,314 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:17:37,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:17:37,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:17:37,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:17:37,315 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2021-08-27 06:17:37,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:17:37,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:17:37,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:17:37,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:17:37,586 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:17:37,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-08-27 06:17:37,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d950cdca/4ef2cec8bb9649a8a96325a1858b106e/FLAGb915c6b38 [2021-08-27 06:17:38,066 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:17:38,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-08-27 06:17:38,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d950cdca/4ef2cec8bb9649a8a96325a1858b106e/FLAGb915c6b38 [2021-08-27 06:17:38,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d950cdca/4ef2cec8bb9649a8a96325a1858b106e [2021-08-27 06:17:38,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:17:38,427 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:17:38,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:17:38,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:17:38,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:17:38,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e5f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38, skipping insertion in model container [2021-08-27 06:17:38,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:17:38,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:17:38,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:17:38,772 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:17:38,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:17:38,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:17:38,819 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:17:38,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:17:38,879 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:17:38,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38 WrapperNode [2021-08-27 06:17:38,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:17:38,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:17:38,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:17:38,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:17:38,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:17:38,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:17:38,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:17:38,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:17:38,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (1/1) ... [2021-08-27 06:17:38,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:17:39,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:17:39,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 06:17:39,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 06:17:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:17:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:17:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:17:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:17:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:17:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:17:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:17:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:17:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:17:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:17:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:17:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:17:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:17:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:17:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:17:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:17:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:17:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:17:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:17:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:17:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:17:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:17:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:17:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:17:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:17:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:17:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:17:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:17:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2021-08-27 06:17:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2021-08-27 06:17:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2021-08-27 06:17:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2021-08-27 06:17:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:17:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:17:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:17:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:17:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:17:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:17:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:17:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:17:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:17:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:17:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:17:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:17:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:17:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:17:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:17:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:17:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:17:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:17:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:17:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:17:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:17:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:17:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:17:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:17:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:17:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:17:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:17:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:17:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:17:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:17:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:17:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:17:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:17:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:17:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:17:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:17:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:17:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:17:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:17:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:17:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:17:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:17:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:17:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:17:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:17:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:17:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:17:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:17:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:17:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:17:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:17:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:17:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:17:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:17:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:17:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:17:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:17:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:17:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:17:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:17:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:17:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:17:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:17:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:17:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:17:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:17:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:17:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:17:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:17:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:17:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:17:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:17:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:17:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:17:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:17:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:17:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:17:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:17:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:17:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:17:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:17:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:17:39,681 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:17:39,946 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:17:40,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:17:40,134 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:17:40,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:17:40 BoogieIcfgContainer [2021-08-27 06:17:40,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:17:40,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:17:40,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:17:40,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:17:40,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:17:38" (1/3) ... [2021-08-27 06:17:40,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59504e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:17:40, skipping insertion in model container [2021-08-27 06:17:40,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:17:38" (2/3) ... [2021-08-27 06:17:40,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59504e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:17:40, skipping insertion in model container [2021-08-27 06:17:40,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:17:40" (3/3) ... [2021-08-27 06:17:40,141 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2021-08-27 06:17:40,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:17:40,145 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-08-27 06:17:40,170 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:17:40,174 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, mConcurrency=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 [2021-08-27 06:17:40,175 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-08-27 06:17:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 54 states have (on average 1.462962962962963) internal successors, (79), 73 states have internal predecessors, (79), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-08-27 06:17:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-27 06:17:40,189 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:17:40,189 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:17:40,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-08-27 06:17:40,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:17:40,193 INFO L82 PathProgramCache]: Analyzing trace with hash 497967623, now seen corresponding path program 1 times [2021-08-27 06:17:40,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:17:40,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22151119] [2021-08-27 06:17:40,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:17:40,202 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:17:40,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:17:40,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:17:40,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:17:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:17:40,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:17:40,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:17:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:17:40,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:17:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:17:40,720 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:17:40,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22151119] [2021-08-27 06:17:40,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22151119] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:17:40,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:17:40,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 06:17:40,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976897257] [2021-08-27 06:17:40,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:17:40,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:17:40,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:17:40,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:17:40,739 INFO L87 Difference]: Start difference. First operand has 98 states, 54 states have (on average 1.462962962962963) internal successors, (79), 73 states have internal predecessors, (79), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 06:17:40,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:17:40,763 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-08-27 06:17:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:17:40,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2021-08-27 06:17:40,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:17:40,769 INFO L225 Difference]: With dead ends: 35 [2021-08-27 06:17:40,770 INFO L226 Difference]: Without dead ends: 32 [2021-08-27 06:17:40,770 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:17:40,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-08-27 06:17:40,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2021-08-27 06:17:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-08-27 06:17:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2021-08-27 06:17:40,791 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2021-08-27 06:17:40,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:17:40,792 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2021-08-27 06:17:40,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 06:17:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-08-27 06:17:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-27 06:17:40,792 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:17:40,792 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:17:40,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:17:40,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:17:40,997 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-08-27 06:17:40,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:17:40,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1298983736, now seen corresponding path program 1 times [2021-08-27 06:17:40,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:17:40,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395043277] [2021-08-27 06:17:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:17:40,998 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:17:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:17:40,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:17:41,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:17:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:17:41,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 06:17:41,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:17:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:17:41,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:17:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:17:41,382 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:17:41,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395043277] [2021-08-27 06:17:41,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395043277] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:17:41,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:17:41,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 06:17:41,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280565252] [2021-08-27 06:17:41,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 06:17:41,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:17:41,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 06:17:41,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:17:41,384 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:17:41,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:17:41,420 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2021-08-27 06:17:41,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 06:17:41,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2021-08-27 06:17:41,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:17:41,421 INFO L225 Difference]: With dead ends: 36 [2021-08-27 06:17:41,421 INFO L226 Difference]: Without dead ends: 25 [2021-08-27 06:17:41,422 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:17:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-08-27 06:17:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-08-27 06:17:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-27 06:17:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-08-27 06:17:41,427 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2021-08-27 06:17:41,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:17:41,427 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-08-27 06:17:41,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:17:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-08-27 06:17:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-27 06:17:41,428 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:17:41,428 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:17:41,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 06:17:41,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:17:41,639 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-08-27 06:17:41,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:17:41,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1243528388, now seen corresponding path program 1 times [2021-08-27 06:17:41,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:17:41,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699379982] [2021-08-27 06:17:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:17:41,643 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:17:41,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:17:41,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:17:41,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 06:17:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:17:41,813 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 06:17:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:17:41,865 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-27 06:17:41,865 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 06:17:41,866 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:17:41,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:17:41,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:17:41,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:17:41,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:17:41,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:17:41,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:17:41,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 06:17:42,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:17:42,088 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:17:42,094 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:17:42,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:17:42 BoogieIcfgContainer [2021-08-27 06:17:42,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:17:42,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:17:42,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:17:42,103 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:17:42,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:17:40" (3/4) ... [2021-08-27 06:17:42,105 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:17:42,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:17:42,106 INFO L168 Benchmark]: Toolchain (without parser) took 3678.65 ms. Allocated memory was 62.9 MB in the beginning and 119.5 MB in the end (delta: 56.6 MB). Free memory was 41.7 MB in the beginning and 64.6 MB in the end (delta: -22.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-08-27 06:17:42,107 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:17:42,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.09 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 28.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:17:42,107 INFO L168 Benchmark]: Boogie Preprocessor took 106.56 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 57.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-08-27 06:17:42,108 INFO L168 Benchmark]: RCFGBuilder took 1148.21 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 72.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:17:42,108 INFO L168 Benchmark]: TraceAbstraction took 1965.79 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 72.0 MB in the beginning and 65.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-08-27 06:17:42,108 INFO L168 Benchmark]: Witness Printer took 2.24 ms. Allocated memory is still 119.5 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:17:42,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.09 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 28.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.56 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 57.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1148.21 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 72.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1965.79 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 72.0 MB in the beginning and 65.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * Witness Printer took 2.24 ms. Allocated memory is still 119.5 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L782] CALL entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L778] CALL alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A20))={1:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, p={1:0}, saved_device_20={0:0}] [L774] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L763] saved_device_20 = dev VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, dev={1:4}, ldv_global_msg_list={-2147483648:0}, saved_device_20={1:4}] [L774] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, p={1:0}, saved_device_20={1:4}] [L778] RET alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={1:4}] [L779] saved_device_20 = 0 VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L782] RET entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 344 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 1917.9ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 8.3ms, AutomataDifference: 82.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 18.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.9ms SsaConstructionTime, 67.1ms SatisfiabilityAnalysisTime, 494.7ms InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-27 06:17:42,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...