./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b099a717aded091d5866869f3c84b7af6ed3ff48 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b099a717aded091d5866869f3c84b7af6ed3ff48 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:25:16,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:25:16,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:25:16,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:25:16,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:25:16,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:25:16,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:25:16,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:25:16,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:25:16,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:25:16,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:25:16,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:25:16,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:25:16,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:25:16,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:25:16,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:25:16,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:25:16,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:25:16,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:25:16,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:25:16,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:25:16,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:25:16,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:25:16,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:25:16,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:25:16,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:25:16,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:25:16,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:25:16,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:25:16,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:25:16,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:25:16,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:25:16,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:25:16,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:25:16,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:25:16,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:25:16,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:25:16,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:25:16,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:25:16,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:25:16,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:25:16,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:25:16,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:25:16,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:25:16,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:25:16,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:25:16,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:25:16,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:25:16,638 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:25:16,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:25:16,638 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:25:16,638 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:25:16,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:25:16,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:25:16,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:25:16,639 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:25:16,639 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:25:16,640 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:25:16,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:25:16,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:25:16,640 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:25:16,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:25:16,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:25:16,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:25:16,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:25:16,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:25:16,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:25:16,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:25:16,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:25:16,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:25:16,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:25:16,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b099a717aded091d5866869f3c84b7af6ed3ff48 [2021-08-27 06:25:16,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:25:16,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:25:16,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:25:16,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:25:16,917 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:25:16,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-27 06:25:16,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9407018ba/ffd583def14b45548229b3ca92bb1ada/FLAGad61a865f [2021-08-27 06:25:17,310 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:25:17,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-27 06:25:17,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9407018ba/ffd583def14b45548229b3ca92bb1ada/FLAGad61a865f [2021-08-27 06:25:17,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9407018ba/ffd583def14b45548229b3ca92bb1ada [2021-08-27 06:25:17,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:25:17,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:25:17,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:25:17,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:25:17,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:25:17,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:25:17" (1/1) ... [2021-08-27 06:25:17,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e43998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:17, skipping insertion in model container [2021-08-27 06:25:17,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:25:17" (1/1) ... [2021-08-27 06:25:17,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:25:17,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:25:17,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:25:18,009 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-08-27 06:25:18,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c330dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:18, skipping insertion in model container [2021-08-27 06:25:18,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:25:18,011 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:25:18,013 INFO L168 Benchmark]: Toolchain (without parser) took 291.55 ms. Allocated memory is still 60.8 MB. Free memory was 38.7 MB in the beginning and 41.7 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:25:18,014 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:25:18,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.05 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 41.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:25:18,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.05 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 41.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:25:19,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:25:19,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:25:19,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:25:19,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:25:19,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:25:19,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:25:19,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:25:19,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:25:19,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:25:19,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:25:19,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:25:19,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:25:19,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:25:19,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:25:19,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:25:19,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:25:19,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:25:19,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:25:19,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:25:19,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:25:19,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:25:19,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:25:19,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:25:19,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:25:19,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:25:19,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:25:19,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:25:19,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:25:19,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:25:19,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:25:19,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:25:19,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:25:19,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:25:19,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:25:19,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:25:19,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:25:19,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:25:19,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:25:19,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:25:19,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:25:19,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:25:19,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:25:19,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:25:19,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:25:19,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:25:19,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:25:19,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:25:19,578 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:25:19,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:25:19,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:25:19,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:25:19,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:25:19,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:25:19,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:25:19,579 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:25:19,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:25:19,580 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:25:19,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:25:19,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:25:19,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:25:19,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:25:19,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:25:19,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:25:19,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:25:19,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:25:19,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:25:19,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:25:19,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:25:19,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:25:19,581 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:25:19,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:25:19,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:25:19,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:25:19,582 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b099a717aded091d5866869f3c84b7af6ed3ff48 [2021-08-27 06:25:19,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:25:19,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:25:19,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:25:19,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:25:19,858 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:25:19,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-27 06:25:19,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8edf6b85/dfc0aa39665744debf860872389d703a/FLAGa30ad5ac5 [2021-08-27 06:25:20,323 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:25:20,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-08-27 06:25:20,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8edf6b85/dfc0aa39665744debf860872389d703a/FLAGa30ad5ac5 [2021-08-27 06:25:20,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8edf6b85/dfc0aa39665744debf860872389d703a [2021-08-27 06:25:20,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:25:20,663 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:25:20,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:25:20,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:25:20,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:25:20,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:25:20" (1/1) ... [2021-08-27 06:25:20,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f93897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:20, skipping insertion in model container [2021-08-27 06:25:20,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:25:20" (1/1) ... [2021-08-27 06:25:20,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:25:20,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:25:20,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:25:20,987 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:25:20,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:25:21,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:25:21,036 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:25:21,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:25:21,111 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:25:21,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21 WrapperNode [2021-08-27 06:25:21,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:25:21,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:25:21,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:25:21,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:25:21,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:25:21,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:25:21,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:25:21,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:25:21,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (1/1) ... [2021-08-27 06:25:21,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:25:21,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:25:21,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 06:25:21,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 06:25:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:25:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:25:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:25:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:25:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:25:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:25:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:25:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:25:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:25:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:25:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:25:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:25:21,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:25:21,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:25:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:25:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:25:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:25:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:25:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:25:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:25:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:25:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2021-08-27 06:25:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2021-08-27 06:25:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2021-08-27 06:25:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2021-08-27 06:25:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:25:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:25:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:25:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:25:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:25:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:25:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:25:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:25:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:25:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:25:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:25:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:25:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:25:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:25:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:25:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:25:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:25:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:25:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:25:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:25:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:25:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:25:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:25:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:25:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:25:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:25:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:25:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:25:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:25:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:25:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:25:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:25:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:25:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:25:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:25:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:25:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:25:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:25:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:25:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:25:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:25:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:25:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:25:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:25:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:25:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:25:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:25:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:25:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:25:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:25:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:25:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:25:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:25:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:25:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:25:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:25:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:25:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:25:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:25:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:25:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:25:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:25:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:25:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:25:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:25:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:25:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:25:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:25:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:25:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:25:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:25:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:25:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:25:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:25:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:25:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:25:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:25:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:25:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:25:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:25:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:25:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:25:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:25:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:25:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:25:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:25:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:25:21,734 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:25:21,955 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:25:22,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:25:22,225 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:25:22,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:25:22 BoogieIcfgContainer [2021-08-27 06:25:22,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:25:22,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:25:22,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:25:22,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:25:22,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:25:20" (1/3) ... [2021-08-27 06:25:22,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c371a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:25:22, skipping insertion in model container [2021-08-27 06:25:22,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:25:21" (2/3) ... [2021-08-27 06:25:22,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c371a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:25:22, skipping insertion in model container [2021-08-27 06:25:22,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:25:22" (3/3) ... [2021-08-27 06:25:22,234 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test7-1.i [2021-08-27 06:25:22,238 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:25:22,238 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2021-08-27 06:25:22,273 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:25:22,278 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 06:25:22,278 INFO L340 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2021-08-27 06:25:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-08-27 06:25:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-27 06:25:22,309 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:25:22,309 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:25:22,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-27 06:25:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:25:22,314 INFO L82 PathProgramCache]: Analyzing trace with hash 436226143, now seen corresponding path program 1 times [2021-08-27 06:25:22,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:25:22,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584219196] [2021-08-27 06:25:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:25:22,323 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:25:22,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:25:22,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:25:22,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:25:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:25:22,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:25:22,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:25:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:22,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:25:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:22,737 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:25:22,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584219196] [2021-08-27 06:25:22,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584219196] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:25:22,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:25:22,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-08-27 06:25:22,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150619134] [2021-08-27 06:25:22,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:25:22,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:25:22,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:25:22,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:25:22,754 INFO L87 Difference]: Start difference. First operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:25:22,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:25:22,792 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2021-08-27 06:25:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:25:22,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-08-27 06:25:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:25:22,800 INFO L225 Difference]: With dead ends: 53 [2021-08-27 06:25:22,800 INFO L226 Difference]: Without dead ends: 50 [2021-08-27 06:25:22,801 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:25:22,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-08-27 06:25:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-08-27 06:25:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-08-27 06:25:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-08-27 06:25:22,828 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2021-08-27 06:25:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:25:22,829 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-08-27 06:25:22,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:25:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-08-27 06:25:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-27 06:25:22,830 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:25:22,830 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:25:22,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:25:23,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:25:23,041 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-27 06:25:23,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:25:23,041 INFO L82 PathProgramCache]: Analyzing trace with hash 638108999, now seen corresponding path program 1 times [2021-08-27 06:25:23,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:25:23,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083342583] [2021-08-27 06:25:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:25:23,042 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:25:23,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:25:23,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:25:23,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:25:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:25:23,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:25:23,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:25:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:23,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:25:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:23,607 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:25:23,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083342583] [2021-08-27 06:25:23,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083342583] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:25:23,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:25:23,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2021-08-27 06:25:23,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104733083] [2021-08-27 06:25:23,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 06:25:23,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:25:23,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 06:25:23,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:25:23,615 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:25:23,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:25:23,798 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2021-08-27 06:25:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 06:25:23,798 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2021-08-27 06:25:23,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:25:23,799 INFO L225 Difference]: With dead ends: 85 [2021-08-27 06:25:23,799 INFO L226 Difference]: Without dead ends: 85 [2021-08-27 06:25:23,800 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 80.7ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:25:23,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-08-27 06:25:23,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 53. [2021-08-27 06:25:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 37 states have internal predecessors, (41), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-08-27 06:25:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2021-08-27 06:25:23,805 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2021-08-27 06:25:23,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:25:23,805 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2021-08-27 06:25:23,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:25:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-08-27 06:25:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-27 06:25:23,806 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:25:23,806 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:25:23,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 06:25:24,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:25:24,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-27 06:25:24,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:25:24,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1693457055, now seen corresponding path program 1 times [2021-08-27 06:25:24,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:25:24,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632059407] [2021-08-27 06:25:24,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:25:24,016 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:25:24,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:25:24,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:25:24,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 06:25:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:25:24,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:25:24,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:25:24,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 06:25:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:24,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:25:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:24,426 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:25:24,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632059407] [2021-08-27 06:25:24,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632059407] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:25:24,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:25:24,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2021-08-27 06:25:24,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107329099] [2021-08-27 06:25:24,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 06:25:24,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:25:24,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 06:25:24,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-27 06:25:24,427 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:25:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:25:24,540 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2021-08-27 06:25:24,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 06:25:24,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2021-08-27 06:25:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:25:24,543 INFO L225 Difference]: With dead ends: 77 [2021-08-27 06:25:24,543 INFO L226 Difference]: Without dead ends: 77 [2021-08-27 06:25:24,544 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 27.0ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-27 06:25:24,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-08-27 06:25:24,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2021-08-27 06:25:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.25) internal successors, (50), 44 states have internal predecessors, (50), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2021-08-27 06:25:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2021-08-27 06:25:24,558 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 25 [2021-08-27 06:25:24,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:25:24,559 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2021-08-27 06:25:24,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:25:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-08-27 06:25:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-27 06:25:24,561 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:25:24,561 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:25:24,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 06:25:24,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:25:24,769 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-08-27 06:25:24,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:25:24,769 INFO L82 PathProgramCache]: Analyzing trace with hash -2073787341, now seen corresponding path program 1 times [2021-08-27 06:25:24,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:25:24,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544839977] [2021-08-27 06:25:24,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:25:24,770 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:25:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:25:24,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:25:24,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-27 06:25:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:25:24,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 06:25:24,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:25:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:25,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:25:29,161 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:25:29,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544839977] [2021-08-27 06:25:29,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:25:29,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1624763189] [2021-08-27 06:25:29,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:25:29,162 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 06:25:29,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 06:25:29,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 06:25:29,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-08-27 06:25:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:25:29,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-27 06:25:29,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:25:29,437 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:25:29,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-08-27 06:25:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:33,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:25:37,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:25:38,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223264506] [2021-08-27 06:25:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:25:38,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 06:25:38,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:25:38,005 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 06:25:38,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-27 06:25:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:25:38,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 06:25:38,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:25:38,231 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:25:38,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-08-27 06:25:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:25:40,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:25:44,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:25:44,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:25:44,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-27 06:25:44,593 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-27 06:25:44,594 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-27 06:25:44,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err0REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err1REQUIRES_VIOLATION [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:25:44,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-27 06:25:44,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-27 06:25:45,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-08-27 06:25:45,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-27 06:25:45,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:25:45,215 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:25:45,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:25:45 BoogieIcfgContainer [2021-08-27 06:25:45,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:25:45,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:25:45,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:25:45,222 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:25:45,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:25:22" (3/4) ... [2021-08-27 06:25:45,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:25:45,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:25:45,225 INFO L168 Benchmark]: Toolchain (without parser) took 24562.52 ms. Allocated memory was 60.8 MB in the beginning and 130.0 MB in the end (delta: 69.2 MB). Free memory was 37.6 MB in the beginning and 76.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:25:45,226 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 41.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:25:45,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.49 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.3 MB in the beginning and 53.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:25:45,227 INFO L168 Benchmark]: Boogie Preprocessor took 78.16 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 48.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 06:25:45,227 INFO L168 Benchmark]: RCFGBuilder took 1036.25 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.6 MB in the beginning and 60.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:25:45,227 INFO L168 Benchmark]: TraceAbstraction took 22992.45 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 59.7 MB in the beginning and 76.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2021-08-27 06:25:45,228 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 130.0 MB. Free memory is still 76.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:25:45,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 41.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 444.49 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.3 MB in the beginning and 53.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.16 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 48.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1036.25 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.6 MB in the beginning and 60.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22992.45 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 59.7 MB in the beginning and 76.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * Witness Printer took 2.85 ms. Allocated memory is still 130.0 MB. Free memory is still 76.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 789]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 789. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L790] CALL entry_point() [L783] struct A a7; [L784] CALL, EXPR probe1_6(&a7) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND TRUE p==0 [L767] return ret; [L784] RET, EXPR probe1_6(&a7) [L784] int ret = probe1_6(&a7); [L785] COND FALSE !(ret==0) [L790] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 364 locations, 76 error locations. Started 1 CEGAR loops. OverallTime: 22940.4ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 25.0ms, AutomataDifference: 363.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 158 SDtfs, 186 SDslu, 376 SDs, 0 SdLazy, 233 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 228.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 118.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 37.0ms AutomataMinimizationTime, 3 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.5ms SsaConstructionTime, 81.1ms SatisfiabilityAnalysisTime, 860.3ms InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 138 ConstructedInterpolants, 6 QuantifiedInterpolants, 487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-27 06:25:45,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...