./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer --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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer --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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:11:37,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:11:37,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:11:37,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:11:37,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:11:37,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:11:37,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:11:37,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:11:37,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:11:37,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:11:37,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:11:37,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:11:37,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:11:37,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:11:37,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:11:37,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:11:37,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:11:37,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:11:37,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:11:37,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:11:37,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:11:37,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:11:37,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:11:37,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:11:37,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:11:37,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:11:37,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:11:37,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:11:37,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:11:37,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:11:37,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:11:37,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:11:37,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:11:37,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:11:37,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:11:37,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:11:37,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:11:37,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:11:37,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:11:37,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:11:37,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:11:37,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 18:11:37,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:11:37,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:11:37,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:11:37,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:11:37,308 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:11:37,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:11:37,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:11:37,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:11:37,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:11:37,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:11:37,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:11:37,309 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:11:37,309 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:11:37,309 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:11:37,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:11:37,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:11:37,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:11:37,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:11:37,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:11:37,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:11:37,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:11:37,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:11:37,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:11:37,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:11:37,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:11:37,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:11:37,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:11:37,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:11:37,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-12-07 18:11:37,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:11:37,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:11:37,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:11:37,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:11:37,431 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:11:37,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 18:11:37,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/a67003942/ba4d0884c03e49b9a46cba682a32813b/FLAGb1afbb711 [2019-12-07 18:11:37,886 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:11:37,886 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 18:11:37,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/a67003942/ba4d0884c03e49b9a46cba682a32813b/FLAGb1afbb711 [2019-12-07 18:11:38,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/a67003942/ba4d0884c03e49b9a46cba682a32813b [2019-12-07 18:11:38,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:11:38,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:11:38,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:11:38,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:11:38,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:11:38,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:11:38" (1/1) ... [2019-12-07 18:11:38,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acb3a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:38, skipping insertion in model container [2019-12-07 18:11:38,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:11:38" (1/1) ... [2019-12-07 18:11:38,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:11:38,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:11:38,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:11:38,545 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) [2019-12-07 18:11:38,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fb615b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:38, skipping insertion in model container [2019-12-07 18:11:38,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:11:38,546 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 18:11:38,548 INFO L168 Benchmark]: Toolchain (without parser) took 294.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:38,548 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:11:38,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:38,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 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 0.1.25-f470102 [2019-12-07 18:11:39,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:11:39,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:11:39,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:11:39,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:11:39,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:11:39,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:11:39,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:11:39,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:11:39,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:11:39,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:11:39,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:11:39,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:11:39,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:11:39,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:11:39,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:11:39,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:11:39,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:11:39,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:11:39,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:11:39,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:11:39,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:11:39,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:11:39,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:11:39,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:11:39,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:11:39,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:11:39,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:11:39,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:11:39,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:11:39,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:11:39,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:11:39,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:11:39,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:11:39,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:11:39,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:11:39,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:11:39,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:11:39,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:11:39,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:11:39,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:11:39,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-12-07 18:11:39,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:11:39,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:11:39,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:11:39,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:11:39,719 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:11:39,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:11:39,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:11:39,719 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:11:39,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:11:39,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:11:39,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:11:39,720 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:11:39,720 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:11:39,720 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:11:39,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:11:39,721 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:11:39,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:11:39,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:11:39,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:11:39,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:11:39,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:11:39,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:11:39,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:11:39,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:11:39,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:11:39,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:11:39,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:11:39,722 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:11:39,722 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:11:39,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:11:39,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:11:39,723 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-12-07 18:11:39,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:11:39,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:11:39,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:11:39,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:11:39,900 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:11:39,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 18:11:39,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/f7089f3e4/f61e9f43a4fc4d86ad4eb44b9daa45f7/FLAG051338043 [2019-12-07 18:11:40,362 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:11:40,362 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 18:11:40,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/f7089f3e4/f61e9f43a4fc4d86ad4eb44b9daa45f7/FLAG051338043 [2019-12-07 18:11:40,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/data/f7089f3e4/f61e9f43a4fc4d86ad4eb44b9daa45f7 [2019-12-07 18:11:40,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:11:40,709 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:11:40,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:11:40,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:11:40,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:11:40,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:11:40" (1/1) ... [2019-12-07 18:11:40,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366a7f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:40, skipping insertion in model container [2019-12-07 18:11:40,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:11:40" (1/1) ... [2019-12-07 18:11:40,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:11:40,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:11:41,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:11:41,048 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 18:11:41,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:11:41,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:11:41,107 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:11:41,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:11:41,194 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:11:41,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41 WrapperNode [2019-12-07 18:11:41,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:11:41,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:11:41,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:11:41,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:11:41,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... [2019-12-07 18:11:41,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... [2019-12-07 18:11:41,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... [2019-12-07 18:11:41,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... [2019-12-07 18:11:41,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... [2019-12-07 18:11:41,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... [2019-12-07 18:11:41,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... [2019-12-07 18:11:41,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:11:41,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:11:41,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:11:41,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:11:41,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:11:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 18:11:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:11:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 18:11:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 18:11:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 18:11:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-12-07 18:11:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-12-07 18:11:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-12-07 18:11:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-12-07 18:11:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 18:11:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 18:11:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 18:11:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 18:11:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 18:11:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 18:11:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 18:11:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 18:11:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-12-07 18:11:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:11:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-12-07 18:11:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 18:11:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 18:11:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 18:11:41,648 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:11:41,876 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:11:42,105 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:11:42,105 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-12-07 18:11:42,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:42 BoogieIcfgContainer [2019-12-07 18:11:42,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:11:42,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:11:42,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:11:42,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:11:42,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:11:40" (1/3) ... [2019-12-07 18:11:42,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f611322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:11:42, skipping insertion in model container [2019-12-07 18:11:42,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:41" (2/3) ... [2019-12-07 18:11:42,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f611322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:11:42, skipping insertion in model container [2019-12-07 18:11:42,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:42" (3/3) ... [2019-12-07 18:11:42,111 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-12-07 18:11:42,117 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:11:42,123 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-12-07 18:11:42,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-12-07 18:11:42,143 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:11:42,143 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 18:11:42,143 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:11:42,143 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:11:42,144 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:11:42,144 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:11:42,144 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:11:42,144 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:11:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-12-07 18:11:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:11:42,161 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:42,162 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:42,162 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:11:42,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:42,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-12-07 18:11:42,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:42,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170906390] [2019-12-07 18:11:42,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 18:11:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:42,284 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:11:42,288 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:11:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:42,320 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:11:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:42,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170906390] [2019-12-07 18:11:42,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:42,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 18:11:42,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074574876] [2019-12-07 18:11:42,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:11:42,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:11:42,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:11:42,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:11:42,372 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-12-07 18:11:42,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:42,393 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-12-07 18:11:42,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:11:42,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-07 18:11:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:42,400 INFO L225 Difference]: With dead ends: 24 [2019-12-07 18:11:42,400 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 18:11:42,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:11:42,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 18:11:42,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 18:11:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 18:11:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-12-07 18:11:42,425 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-12-07 18:11:42,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:42,425 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-12-07 18:11:42,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:11:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-12-07 18:11:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 18:11:42,426 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:42,426 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:42,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:11:42,627 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:11:42,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:42,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-12-07 18:11:42,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:42,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875529133] [2019-12-07 18:11:42,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 18:11:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:42,737 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:11:42,738 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:11:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:42,794 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:11:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:42,880 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875529133] [2019-12-07 18:11:42,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:42,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-12-07 18:11:42,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152629629] [2019-12-07 18:11:42,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 18:11:42,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:11:42,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 18:11:42,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 18:11:42,883 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-12-07 18:11:42,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:42,994 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-12-07 18:11:42,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 18:11:42,995 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-12-07 18:11:42,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:42,998 INFO L225 Difference]: With dead ends: 28 [2019-12-07 18:11:42,998 INFO L226 Difference]: Without dead ends: 28 [2019-12-07 18:11:42,999 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 18:11:42,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-07 18:11:43,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2019-12-07 18:11:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 18:11:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-12-07 18:11:43,004 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2019-12-07 18:11:43,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:43,004 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-12-07 18:11:43,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 18:11:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-12-07 18:11:43,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:11:43,005 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:43,005 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:43,206 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:11:43,206 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:11:43,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:43,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-12-07 18:11:43,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:43,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733017014] [2019-12-07 18:11:43,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 18:11:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:43,323 INFO L264 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:11:43,324 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:11:43,350 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-12-07 18:11:43,350 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:11:43,353 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:11:43,353 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:11:43,353 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-07 18:11:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:43,365 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:11:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:43,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733017014] [2019-12-07 18:11:43,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:43,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 18:11:43,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288558162] [2019-12-07 18:11:43,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:11:43,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:11:43,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:11:43,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:11:43,396 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2019-12-07 18:11:43,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:43,429 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-12-07 18:11:43,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:11:43,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-12-07 18:11:43,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:43,430 INFO L225 Difference]: With dead ends: 26 [2019-12-07 18:11:43,430 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 18:11:43,430 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:11:43,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 18:11:43,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 18:11:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 18:11:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-12-07 18:11:43,433 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2019-12-07 18:11:43,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:43,434 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-12-07 18:11:43,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:11:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-12-07 18:11:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:11:43,434 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:43,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:43,635 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:11:43,636 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:11:43,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:43,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2019-12-07 18:11:43,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:43,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305994575] [2019-12-07 18:11:43,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 18:11:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:43,760 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:11:43,761 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:11:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:43,775 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:11:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:43,788 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305994575] [2019-12-07 18:11:43,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:43,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 18:11:43,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640908845] [2019-12-07 18:11:43,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:11:43,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:11:43,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:11:43,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:11:43,789 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-12-07 18:11:43,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:43,801 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-12-07 18:11:43,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:11:43,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-12-07 18:11:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:43,802 INFO L225 Difference]: With dead ends: 27 [2019-12-07 18:11:43,802 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 18:11:43,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:11:43,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 18:11:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2019-12-07 18:11:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 18:11:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-12-07 18:11:43,804 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-12-07 18:11:43,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:43,804 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-12-07 18:11:43,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:11:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-12-07 18:11:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:11:43,805 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:43,805 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:44,005 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 18:11:44,007 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:11:44,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:44,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-12-07 18:11:44,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:44,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448262339] [2019-12-07 18:11:44,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 18:11:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:44,124 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 18:11:44,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:11:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:46,178 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:11:56,434 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |c_old(#valid)| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_20|) (_ bv0 1))) (= (store |c_#valid| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2019-12-07 18:11:56,902 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 18:11:56,908 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-12-07 18:11:56,912 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2019-12-07 18:11:56,916 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from true [2019-12-07 18:11:56,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 18:11:56,923 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-12-07 18:11:56,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 18:11:56,933 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-12-07 18:11:56,938 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_26| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_26|))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |v_ldv_malloc_#res.base_26| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2019-12-07 18:11:56,942 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_26| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_26|))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |v_ldv_malloc_#res.base_26| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from true [2019-12-07 18:11:56,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 18:11:56,948 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-12-07 18:11:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:56,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448262339] [2019-12-07 18:11:56,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:56,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 9] imperfect sequences [] total 13 [2019-12-07 18:11:56,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656346923] [2019-12-07 18:11:56,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 18:11:56,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:11:56,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 18:11:56,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=63, Unknown=28, NotChecked=60, Total=182 [2019-12-07 18:11:56,955 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 14 states. [2019-12-07 18:12:15,129 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1)))) is different from false [2019-12-07 18:12:15,133 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1)))) is different from true [2019-12-07 18:12:33,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:12:33,852 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-12-07 18:12:33,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 18:12:33,852 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-12-07 18:12:33,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:12:33,853 INFO L225 Difference]: With dead ends: 28 [2019-12-07 18:12:33,853 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 18:12:33,853 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=44, Invalid=82, Unknown=46, NotChecked=100, Total=272 [2019-12-07 18:12:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 18:12:33,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 18:12:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 18:12:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-12-07 18:12:33,855 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2019-12-07 18:12:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:12:33,855 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-12-07 18:12:33,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 18:12:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-12-07 18:12:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:12:33,856 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:12:33,856 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:12:34,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 18:12:34,058 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 18:12:34,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:12:34,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1991238988, now seen corresponding path program 1 times [2019-12-07 18:12:34,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:12:34,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357172930] [2019-12-07 18:12:34,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 18:12:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:12:34,191 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 18:12:34,192 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:12:34,199 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-12-07 18:12:34,199 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:12:34,208 INFO L614 ElimStorePlain]: treesize reduction 4, result has 73.3 percent of original size [2019-12-07 18:12:34,208 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:12:34,208 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-12-07 18:12:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:12:34,274 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:12:34,374 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-12-07 18:12:34,374 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:12:34,376 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:12:34,376 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:12:34,376 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2019-12-07 18:12:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:12:34,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357172930] [2019-12-07 18:12:34,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:12:34,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2019-12-07 18:12:34,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738212433] [2019-12-07 18:12:34,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 18:12:34,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:12:34,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 18:12:34,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-12-07 18:12:34,417 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 15 states. [2019-12-07 18:12:34,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:12:34,517 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-12-07 18:12:34,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:12:34,517 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2019-12-07 18:12:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:12:34,518 INFO L225 Difference]: With dead ends: 18 [2019-12-07 18:12:34,518 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:12:34,518 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2019-12-07 18:12:34,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:12:34,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:12:34,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:12:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:12:34,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 18:12:34,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:12:34,519 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:12:34,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 18:12:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:12:34,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:12:34,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 18:12:34,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:12:34 BoogieIcfgContainer [2019-12-07 18:12:34,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:12:34,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:12:34,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:12:34,730 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:12:34,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:42" (3/4) ... [2019-12-07 18:12:34,738 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:12:34,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2019-12-07 18:12:34,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 18:12:34,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-07 18:12:34,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2019-12-07 18:12:34,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2019-12-07 18:12:34,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2019-12-07 18:12:34,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2019-12-07 18:12:34,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-07 18:12:34,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-12-07 18:12:34,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2019-12-07 18:12:34,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-12-07 18:12:34,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2019-12-07 18:12:34,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2019-12-07 18:12:34,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2019-12-07 18:12:34,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2019-12-07 18:12:34,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 18:12:34,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:12:34,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:12:34,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:12:34,801 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_91cbc266-3163-4da9-98c7-21d84344618e/bin/uautomizer/witness.graphml [2019-12-07 18:12:34,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:12:34,802 INFO L168 Benchmark]: Toolchain (without parser) took 54093.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 947.0 MB in the beginning and 926.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:12:34,802 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:12:34,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:12:34,803 INFO L168 Benchmark]: Boogie Preprocessor took 61.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:12:34,803 INFO L168 Benchmark]: RCFGBuilder took 850.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.0 MB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:12:34,804 INFO L168 Benchmark]: TraceAbstraction took 52622.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.4 MB). Free memory was 984.0 MB in the beginning and 933.9 MB in the end (delta: 50.1 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:12:34,804 INFO L168 Benchmark]: Witness Printer took 71.74 ms. Allocated memory is still 1.3 GB. Free memory was 933.9 MB in the beginning and 926.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:12:34,805 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 850.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.0 MB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52622.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.4 MB). Free memory was 984.0 MB in the beginning and 933.9 MB in the end (delta: 50.1 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 71.74 ms. Allocated memory is still 1.3 GB. Free memory was 933.9 MB in the beginning and 926.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Result: SAFE, OverallTime: 52.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 37.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 52 SDslu, 262 SDs, 0 SdLazy, 240 SolverSat, 28 SolverUnsat, 27 SolverUnknown, 0 SolverNotchecked, 36.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 137 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 20 QuantifiedInterpolants, 16769 SizeOfPredicates, 9 NumberOfNonLiveVariables, 391 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...