./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb6bcc62184a60bbcb9e0528a455aeb84b21f101 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb6bcc62184a60bbcb9e0528a455aeb84b21f101 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:02:54,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:02:54,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:02:54,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:02:54,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:02:54,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:02:54,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:02:54,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:02:54,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:02:54,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:02:54,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:02:54,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:02:54,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:02:54,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:02:54,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:02:54,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:02:54,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:02:54,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:02:54,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:02:54,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:02:54,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:02:54,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:02:54,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:02:54,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:02:54,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:02:54,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:02:54,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:02:54,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:02:54,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:02:54,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:02:54,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:02:54,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:02:54,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:02:54,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:02:54,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:02:54,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:02:54,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:02:54,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:02:54,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:02:54,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:02:54,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:02:54,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 03:02:54,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:02:54,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:02:54,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:02:54,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:02:54,520 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:02:54,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:02:54,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:02:54,521 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:02:54,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:02:54,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:02:54,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:02:54,522 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:02:54,522 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:02:54,522 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:02:54,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:02:54,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:02:54,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:02:54,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:02:54,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:02:54,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:02:54,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:02:54,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:02:54,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:02:54,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:02:54,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:02:54,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:02:54,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:02:54,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:02:54,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb6bcc62184a60bbcb9e0528a455aeb84b21f101 [2020-11-28 03:02:54,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:02:54,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:02:54,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:02:54,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:02:54,863 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:02:54,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-28 03:02:54,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/eaf70f664/65b289df42ba4fdeb1f8cd4d11c9a148/FLAG0c1437093 [2020-11-28 03:02:55,531 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:02:55,531 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-28 03:02:55,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/eaf70f664/65b289df42ba4fdeb1f8cd4d11c9a148/FLAG0c1437093 [2020-11-28 03:02:55,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/eaf70f664/65b289df42ba4fdeb1f8cd4d11c9a148 [2020-11-28 03:02:55,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:02:55,815 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:02:55,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:55,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:02:55,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:02:55,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:55" (1/1) ... [2020-11-28 03:02:55,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199fcebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:55, skipping insertion in model container [2020-11-28 03:02:55,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:55" (1/1) ... [2020-11-28 03:02:55,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:02:55,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:02:56,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:56,326 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) [2020-11-28 03:02:56,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2822d616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:56, skipping insertion in model container [2020-11-28 03:02:56,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:56,328 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:02:56,330 INFO L168 Benchmark]: Toolchain (without parser) took 513.72 ms. Allocated memory is still 88.1 MB. Free memory was 58.2 MB in the beginning and 61.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,331 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.2 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:56,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.15 ms. Allocated memory is still 88.1 MB. Free memory was 58.0 MB in the beginning and 61.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:56,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.2 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.15 ms. Allocated memory is still 88.1 MB. Free memory was 58.0 MB in the beginning and 61.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 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 0.2.0-a4ecdab [2020-11-28 03:02:58,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:02:58,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:02:58,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:02:58,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:02:58,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:02:58,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:02:58,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:02:58,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:02:58,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:02:58,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:02:58,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:02:58,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:02:58,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:02:58,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:02:58,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:02:58,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:02:58,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:02:58,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:02:58,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:02:58,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:02:58,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:02:58,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:02:58,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:02:58,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:02:58,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:02:58,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:02:58,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:02:58,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:02:58,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:02:58,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:02:58,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:02:58,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:02:58,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:02:58,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:02:58,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:02:58,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:02:58,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:02:58,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:02:58,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:02:58,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:02:58,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-28 03:02:58,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:02:58,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:02:58,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:02:58,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:02:58,842 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:02:58,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:02:58,842 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:02:58,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:02:58,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:02:58,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:02:58,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:02:58,844 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:02:58,845 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:02:58,845 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:02:58,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:02:58,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:02:58,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:02:58,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:02:58,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:02:58,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:02:58,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:02:58,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:02:58,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:02:58,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:02:58,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:02:58,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:02:58,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:02:58,848 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:02:58,848 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:02:58,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:02:58,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:02:58,849 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb6bcc62184a60bbcb9e0528a455aeb84b21f101 [2020-11-28 03:02:59,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:02:59,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:02:59,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:02:59,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:02:59,312 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:02:59,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-28 03:02:59,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/e52e783ad/4260db78b9fe40d0a40a07df012fdaf9/FLAG3daebac18 [2020-11-28 03:03:00,079 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:00,081 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-28 03:03:00,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/e52e783ad/4260db78b9fe40d0a40a07df012fdaf9/FLAG3daebac18 [2020-11-28 03:03:00,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/data/e52e783ad/4260db78b9fe40d0a40a07df012fdaf9 [2020-11-28 03:03:00,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:00,385 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:03:00,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:00,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:00,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:00,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:00" (1/1) ... [2020-11-28 03:03:00,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf21e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:00, skipping insertion in model container [2020-11-28 03:03:00,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:00" (1/1) ... [2020-11-28 03:03:00,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:00,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:01,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:01,063 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 03:03:01,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:01,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:01,139 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:01,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:01,341 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:01,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01 WrapperNode [2020-11-28 03:03:01,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:01,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:01,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:01,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:01,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... [2020-11-28 03:03:01,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... [2020-11-28 03:03:01,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... [2020-11-28 03:03:01,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... [2020-11-28 03:03:01,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... [2020-11-28 03:03:01,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... [2020-11-28 03:03:01,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... [2020-11-28 03:03:01,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:01,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:01,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:01,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:01,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-28 03:03:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-28 03:03:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:03:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-28 03:03:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-28 03:03:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-28 03:03:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-28 03:03:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-28 03:03:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-28 03:03:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-28 03:03:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-28 03:03:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-28 03:03:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-28 03:03:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-28 03:03:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-28 03:03:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-28 03:03:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-28 03:03:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-28 03:03:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-28 03:03:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-28 03:03:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-28 03:03:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-28 03:03:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-28 03:03:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-28 03:03:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-28 03:03:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-28 03:03:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-28 03:03:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-28 03:03:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-28 03:03:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-28 03:03:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-28 03:03:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-28 03:03:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-28 03:03:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-28 03:03:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-28 03:03:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-28 03:03:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-28 03:03:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-28 03:03:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-28 03:03:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-28 03:03:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-28 03:03:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-28 03:03:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-28 03:03:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-28 03:03:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-28 03:03:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-28 03:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-28 03:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-28 03:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-28 03:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-28 03:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-28 03:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-28 03:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-28 03:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-28 03:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-28 03:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-28 03:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-28 03:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-28 03:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-28 03:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-28 03:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-28 03:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-28 03:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-28 03:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-28 03:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-28 03:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-28 03:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-28 03:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-28 03:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-28 03:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-28 03:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-28 03:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-28 03:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-28 03:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-28 03:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-28 03:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-28 03:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-28 03:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-28 03:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-28 03:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-28 03:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-28 03:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-28 03:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-28 03:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-28 03:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-28 03:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-28 03:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-28 03:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-28 03:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-28 03:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-28 03:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-28 03:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-28 03:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-28 03:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-28 03:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-28 03:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-28 03:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-28 03:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-28 03:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-28 03:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-28 03:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-28 03:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-28 03:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-28 03:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-28 03:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-28 03:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-28 03:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-28 03:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-28 03:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-28 03:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-28 03:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-28 03:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-28 03:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-28 03:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-28 03:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-28 03:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-28 03:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-28 03:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-28 03:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-28 03:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-28 03:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-28 03:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-28 03:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-28 03:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-28 03:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-28 03:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-28 03:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-28 03:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-28 03:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-28 03:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-28 03:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-28 03:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-28 03:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-28 03:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-28 03:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-28 03:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-28 03:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-28 03:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-28 03:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-28 03:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-28 03:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-28 03:03:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-28 03:03:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-28 03:03:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-28 03:03:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-28 03:03:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-28 03:03:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-28 03:03:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-28 03:03:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-28 03:03:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 03:03:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-28 03:03:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-28 03:03:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-28 03:03:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-28 03:03:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-28 03:03:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-28 03:03:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-28 03:03:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-28 03:03:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-28 03:03:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 03:03:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-28 03:03:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-28 03:03:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-28 03:03:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-28 03:03:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-28 03:03:02,246 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:03:02,681 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:03:03,101 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:03,101 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-28 03:03:03,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:03 BoogieIcfgContainer [2020-11-28 03:03:03,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:03,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:03:03,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:03:03,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:03:03,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:03:00" (1/3) ... [2020-11-28 03:03:03,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1ff1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:03, skipping insertion in model container [2020-11-28 03:03:03,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:01" (2/3) ... [2020-11-28 03:03:03,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1ff1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:03, skipping insertion in model container [2020-11-28 03:03:03,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:03" (3/3) ... [2020-11-28 03:03:03,112 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test4-1.i [2020-11-28 03:03:03,123 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:03:03,128 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-28 03:03:03,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-28 03:03:03,166 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:03:03,166 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 03:03:03,166 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:03:03,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:03,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:03,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:03:03,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:03,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:03:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-11-28 03:03:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:03:03,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:03,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:03,193 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:03:03,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:03,201 INFO L82 PathProgramCache]: Analyzing trace with hash 927863930, now seen corresponding path program 1 times [2020-11-28 03:03:03,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:03:03,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271464454] [2020-11-28 03:03:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:03:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:03,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:03:03,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:03,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:03:03,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:03,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271464454] [2020-11-28 03:03:03,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:03,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 03:03:03,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146881521] [2020-11-28 03:03:03,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:03:03,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:03:03,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:03:03,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:03,696 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2020-11-28 03:03:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:03,733 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2020-11-28 03:03:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:03:03,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-28 03:03:03,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:03,746 INFO L225 Difference]: With dead ends: 42 [2020-11-28 03:03:03,746 INFO L226 Difference]: Without dead ends: 39 [2020-11-28 03:03:03,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:03,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-28 03:03:03,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2020-11-28 03:03:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:03:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-11-28 03:03:03,792 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 16 [2020-11-28 03:03:03,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:03,793 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-11-28 03:03:03,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:03:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-11-28 03:03:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:03:03,795 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:03,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:04,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:03:04,014 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:03:04,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:04,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1624293031, now seen corresponding path program 1 times [2020-11-28 03:03:04,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:03:04,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510151230] [2020-11-28 03:03:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 03:03:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:04,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:03:04,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:04,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:03:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:04,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510151230] [2020-11-28 03:03:04,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:04,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:03:04,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553503385] [2020-11-28 03:03:04,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:04,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:03:04,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:04,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:04,332 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2020-11-28 03:03:04,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:04,391 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2020-11-28 03:03:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:04,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-11-28 03:03:04,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:04,393 INFO L225 Difference]: With dead ends: 40 [2020-11-28 03:03:04,393 INFO L226 Difference]: Without dead ends: 37 [2020-11-28 03:03:04,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-28 03:03:04,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2020-11-28 03:03:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-28 03:03:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-11-28 03:03:04,399 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2020-11-28 03:03:04,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:04,399 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-11-28 03:03:04,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:04,400 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-11-28 03:03:04,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:03:04,400 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:04,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:04,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:03:04,602 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:03:04,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:04,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1911181477, now seen corresponding path program 1 times [2020-11-28 03:03:04,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:03:04,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85121611] [2020-11-28 03:03:04,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 03:03:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:04,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:03:04,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:03:04,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:03:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:03:04,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85121611] [2020-11-28 03:03:04,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:04,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 03:03:04,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370733589] [2020-11-28 03:03:04,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:03:04,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:03:04,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:03:04,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:04,939 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2020-11-28 03:03:04,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:04,957 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2020-11-28 03:03:04,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:03:04,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-28 03:03:04,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:04,959 INFO L225 Difference]: With dead ends: 24 [2020-11-28 03:03:04,960 INFO L226 Difference]: Without dead ends: 24 [2020-11-28 03:03:04,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:04,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-28 03:03:04,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-28 03:03:04,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-28 03:03:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-11-28 03:03:04,964 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2020-11-28 03:03:04,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:04,967 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-11-28 03:03:04,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:03:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-28 03:03:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 03:03:04,968 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:04,969 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:05,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:03:05,170 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:03:05,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:05,170 INFO L82 PathProgramCache]: Analyzing trace with hash 882916751, now seen corresponding path program 1 times [2020-11-28 03:03:05,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:03:05,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147396915] [2020-11-28 03:03:05,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 03:03:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:05,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:03:05,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:05,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:03:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:03:05,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147396915] [2020-11-28 03:03:05,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:05,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2020-11-28 03:03:05,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540083624] [2020-11-28 03:03:05,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 03:03:05,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:03:05,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:03:05,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:03:05,859 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2020-11-28 03:03:06,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:06,173 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-11-28 03:03:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:03:06,174 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2020-11-28 03:03:06,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:06,175 INFO L225 Difference]: With dead ends: 38 [2020-11-28 03:03:06,175 INFO L226 Difference]: Without dead ends: 38 [2020-11-28 03:03:06,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:03:06,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-28 03:03:06,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 23. [2020-11-28 03:03:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-28 03:03:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-28 03:03:06,180 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2020-11-28 03:03:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:06,181 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-28 03:03:06,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 03:03:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-28 03:03:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:03:06,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:06,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:06,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 03:03:06,383 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:03:06,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:06,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1600615901, now seen corresponding path program 1 times [2020-11-28 03:03:06,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:03:06,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988501473] [2020-11-28 03:03:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 03:03:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:06,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:03:06,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:06,610 INFO L384 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 [2020-11-28 03:03:06,611 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:06,614 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:06,614 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:06,615 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-28 03:03:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:03:06,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:03:06,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:03:06,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988501473] [2020-11-28 03:03:06,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:06,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 03:03:06,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092972048] [2020-11-28 03:03:06,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:03:06,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:03:06,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:03:06,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:06,708 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2020-11-28 03:03:06,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:06,786 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-11-28 03:03:06,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:03:06,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:03:06,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:06,789 INFO L225 Difference]: With dead ends: 29 [2020-11-28 03:03:06,789 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 03:03:06,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 03:03:06,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 03:03:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:03:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-11-28 03:03:06,794 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2020-11-28 03:03:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:06,795 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-11-28 03:03:06,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:03:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-11-28 03:03:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:03:06,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:06,799 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:07,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 03:03:07,009 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:03:07,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:07,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1806847714, now seen corresponding path program 1 times [2020-11-28 03:03:07,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:03:07,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881601207] [2020-11-28 03:03:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-28 03:03:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:07,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:03:07,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:03:07,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:03:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:03:07,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881601207] [2020-11-28 03:03:07,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:07,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 03:03:07,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760643382] [2020-11-28 03:03:07,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:03:07,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:03:07,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:03:07,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:07,250 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 5 states. [2020-11-28 03:03:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:07,272 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-11-28 03:03:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:03:07,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:03:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:07,274 INFO L225 Difference]: With dead ends: 30 [2020-11-28 03:03:07,274 INFO L226 Difference]: Without dead ends: 30 [2020-11-28 03:03:07,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-28 03:03:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2020-11-28 03:03:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 03:03:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-11-28 03:03:07,279 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 22 [2020-11-28 03:03:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:07,279 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-11-28 03:03:07,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:03:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-11-28 03:03:07,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:03:07,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:07,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:07,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-28 03:03:07,490 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-28 03:03:07,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:07,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1221784944, now seen corresponding path program 1 times [2020-11-28 03:03:07,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:03:07,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671335730] [2020-11-28 03:03:07,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70ea6262-024d-4e38-b985-d1d1645c7de8/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-28 03:03:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:07,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:07,751 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:07,801 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:03:07,802 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:03:08,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-28 03:03:08,014 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-28 03:03:08,020 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:03:08,020 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-28 03:03:08,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:03:08 BoogieIcfgContainer [2020-11-28 03:03:08,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:03:08,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:08,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:08,033 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:08,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:03" (3/4) ... [2020-11-28 03:03:08,036 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:03:08,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:08,039 INFO L168 Benchmark]: Toolchain (without parser) took 7653.03 ms. Allocated memory was 65.0 MB in the beginning and 142.6 MB in the end (delta: 77.6 MB). Free memory was 46.8 MB in the beginning and 91.2 MB in the end (delta: -44.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:08,040 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:08,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.99 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 46.6 MB in the beginning and 51.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:08,047 INFO L168 Benchmark]: Boogie Preprocessor took 134.79 ms. Allocated memory is still 79.7 MB. Free memory was 51.3 MB in the beginning and 46.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:08,048 INFO L168 Benchmark]: RCFGBuilder took 1625.44 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.4 MB in the beginning and 61.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:08,049 INFO L168 Benchmark]: TraceAbstraction took 4925.97 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 61.1 MB in the beginning and 91.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:08,050 INFO L168 Benchmark]: Witness Printer took 4.50 ms. Allocated memory is still 142.6 MB. Free memory is still 91.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:08,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 953.99 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 46.6 MB in the beginning and 51.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.79 ms. Allocated memory is still 79.7 MB. Free memory was 51.3 MB in the beginning and 46.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1625.44 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.4 MB in the beginning and 61.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4925.97 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 61.1 MB in the beginning and 91.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.50 ms. Allocated memory is still 142.6 MB. Free memory is still 91.2 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={15:0}] [L765] CALL entry_point() VAL [ldv_global_msg_list={15:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={15:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={3:0}, ldv_global_msg_list={15:0}, malloc(size)={3:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={15:0}, ldv_malloc(sizeof(int))={3:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] COND TRUE \read(*p) VAL [ldv_global_msg_list={15:0}, p={3:0}] [L760] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={15:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={2:0}, ldv_global_msg_list={15:0}, malloc(size)={2:0}, size=4] [L760] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={15:0}, ldv_malloc(sizeof(int))={2:0}, p={3:0}] [L760] int *q = (int *)ldv_malloc(sizeof(int)); [L761] free(q) VAL [ldv_global_msg_list={15:0}, p={3:0}, q={2:0}] [L761] free(q) VAL [ldv_global_msg_list={15:0}, p={3:0}, q={2:0}] [L761] free(q) [L765] RET entry_point() VAL [ldv_global_msg_list={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 338 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 59 SDslu, 343 SDs, 0 SdLazy, 165 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 45 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 222 ConstructedInterpolants, 12 QuantifiedInterpolants, 10158 SizeOfPredicates, 6 NumberOfNonLiveVariables, 471 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 32/32 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 Received shutdown request...