./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:00:08,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:00:08,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:00:08,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:00:08,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:00:08,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:00:08,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:00:08,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:00:08,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:00:08,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:00:08,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:00:08,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:00:08,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:00:08,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:00:08,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:00:08,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:00:08,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:00:08,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:00:08,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:00:08,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:00:08,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:00:08,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:00:08,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:00:08,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:00:08,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:00:08,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:00:08,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:00:08,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:00:08,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:00:08,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:00:08,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:00:08,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:00:08,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:00:08,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:00:08,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:00:08,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:00:08,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:00:08,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:00:08,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:00:08,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:00:08,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:00:08,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:00:08,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:00:08,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:00:08,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:00:08,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:00:08,892 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:00:08,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:00:08,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:00:08,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:00:08,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:00:08,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:00:08,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:00:08,896 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:00:08,896 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:00:08,896 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:00:08,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:00:08,897 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:00:08,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:00:08,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:00:08,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:00:08,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:00:08,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:00:08,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:00:08,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:00:08,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:00:08,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:00:08,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:00:08,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:00:08,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:00:08,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2020-10-20 06:00:09,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:00:09,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:00:09,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:00:09,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:00:09,117 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:00:09,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2020-10-20 06:00:09,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b88c01b/2adde6d91ecc46ccb46ac34f08edc2a0/FLAGbbc76326d [2020-10-20 06:00:09,697 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:00:09,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2020-10-20 06:00:09,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b88c01b/2adde6d91ecc46ccb46ac34f08edc2a0/FLAGbbc76326d [2020-10-20 06:00:10,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b88c01b/2adde6d91ecc46ccb46ac34f08edc2a0 [2020-10-20 06:00:10,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:00:10,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:00:10,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:10,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:00:10,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:00:10,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:10" (1/1) ... [2020-10-20 06:00:10,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22997cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:10, skipping insertion in model container [2020-10-20 06:00:10,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:10" (1/1) ... [2020-10-20 06:00:10,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:00:10,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:10,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:10,707 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) [2020-10-20 06:00:10,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53abd160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:10, skipping insertion in model container [2020-10-20 06:00:10,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:10,708 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:00:10,711 INFO L168 Benchmark]: Toolchain (without parser) took 523.44 ms. Allocated memory was 37.2 MB in the beginning and 47.7 MB in the end (delta: 10.5 MB). Free memory was 6.5 MB in the beginning and 25.8 MB in the end (delta: -19.3 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:00:10,712 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 36.7 MB. Free memory was 13.1 MB in the beginning and 13.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:10,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.93 ms. Allocated memory was 39.8 MB in the beginning and 47.7 MB in the end (delta: 7.9 MB). Free memory was 19.6 MB in the beginning and 25.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:10,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 36.7 MB. Free memory was 13.1 MB in the beginning and 13.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 502.93 ms. Allocated memory was 39.8 MB in the beginning and 47.7 MB in the end (delta: 7.9 MB). Free memory was 19.6 MB in the beginning and 25.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:00:12,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:00:12,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:00:12,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:00:12,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:00:12,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:00:12,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:00:12,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:00:12,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:00:12,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:00:12,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:00:12,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:00:12,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:00:12,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:00:12,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:00:12,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:00:12,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:00:12,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:00:12,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:00:12,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:00:12,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:00:12,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:00:12,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:00:12,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:00:12,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:00:12,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:00:12,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:00:12,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:00:12,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:00:12,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:00:12,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:00:12,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:00:12,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:00:12,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:00:12,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:00:12,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:00:12,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:00:12,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:00:12,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:00:12,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:00:12,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:00:12,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:00:12,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:00:12,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:00:12,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:00:12,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:00:12,660 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:00:12,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:00:12,660 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:00:12,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:00:12,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:00:12,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:00:12,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:00:12,662 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:00:12,662 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:00:12,663 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:00:12,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:00:12,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:00:12,664 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:00:12,664 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:00:12,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:00:12,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:00:12,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:00:12,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:00:12,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:00:12,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:00:12,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:00:12,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:00:12,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:00:12,667 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:00:12,667 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:00:12,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:00:12,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:00:12,668 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2020-10-20 06:00:12,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:00:12,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:00:12,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:00:12,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:00:12,898 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:00:12,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2020-10-20 06:00:12,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/809353986/2917422b7d184b659520e3a54673f22b/FLAG2418a05a7 [2020-10-20 06:00:13,515 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:00:13,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2020-10-20 06:00:13,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/809353986/2917422b7d184b659520e3a54673f22b/FLAG2418a05a7 [2020-10-20 06:00:13,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/809353986/2917422b7d184b659520e3a54673f22b [2020-10-20 06:00:13,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:00:13,799 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:00:13,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:13,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:00:13,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:00:13,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:13" (1/1) ... [2020-10-20 06:00:13,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ca1eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:13, skipping insertion in model container [2020-10-20 06:00:13,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:13" (1/1) ... [2020-10-20 06:00:13,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:00:13,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:14,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:14,534 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:00:14,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:14,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:14,662 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:00:14,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:14,841 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:00:14,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14 WrapperNode [2020-10-20 06:00:14,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:14,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:00:14,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:00:14,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:00:14,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... [2020-10-20 06:00:14,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... [2020-10-20 06:00:14,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... [2020-10-20 06:00:14,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... [2020-10-20 06:00:14,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... [2020-10-20 06:00:14,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... [2020-10-20 06:00:14,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... [2020-10-20 06:00:14,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:00:14,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:00:14,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:00:14,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:00:14,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:00:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:00:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:00:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:00:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:00:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:00:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:00:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:00:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:00:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:00:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:00:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:00:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:00:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:00:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:00:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:00:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:00:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:00:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:00:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:00:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:00:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:00:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:00:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:00:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:00:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:00:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:00:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:00:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:00:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:00:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:00:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:00:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:00:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:00:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:00:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2020-10-20 06:00:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2020-10-20 06:00:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:00:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:00:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:00:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:00:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:00:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:00:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:00:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:00:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:00:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:00:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:00:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:00:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:00:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:00:15,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:00:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:00:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:00:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:00:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:00:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:00:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:00:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:00:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:00:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:00:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:00:15,063 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:00:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:00:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:00:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:00:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:00:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:00:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:00:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:00:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:00:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:00:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:00:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:00:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:00:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:00:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:00:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:00:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:00:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:00:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:00:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:00:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:00:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:00:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:00:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:00:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:00:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:00:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:00:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:00:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:00:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:00:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:00:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:00:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:00:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:00:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:00:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:00:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:00:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:00:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:00:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:00:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:00:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:00:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:00:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:00:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:00:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:00:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:00:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:00:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:00:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:00:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:00:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:00:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:00:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:00:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:00:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:00:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:00:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:00:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:00:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:00:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2020-10-20 06:00:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:00:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:00:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:00:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:00:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:00:15,694 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:00:16,064 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:00:16,509 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:00:16,509 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:00:16,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:16 BoogieIcfgContainer [2020-10-20 06:00:16,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:00:16,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:00:16,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:00:16,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:00:16,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:00:13" (1/3) ... [2020-10-20 06:00:16,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e982ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:16, skipping insertion in model container [2020-10-20 06:00:16,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:14" (2/3) ... [2020-10-20 06:00:16,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e982ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:16, skipping insertion in model container [2020-10-20 06:00:16,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:16" (3/3) ... [2020-10-20 06:00:16,554 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2020-10-20 06:00:16,566 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:00:16,580 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2020-10-20 06:00:16,595 INFO L253 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2020-10-20 06:00:16,615 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:00:16,616 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:00:16,616 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:00:16,616 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:00:16,616 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:00:16,616 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:00:16,616 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:00:16,616 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:00:16,645 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-10-20 06:00:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 06:00:16,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:16,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:16,662 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:16,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:16,670 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2020-10-20 06:00:16,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:16,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946436862] [2020-10-20 06:00:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:16,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:00:16,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:16,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:00:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:17,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946436862] [2020-10-20 06:00:17,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:17,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-20 06:00:17,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100245538] [2020-10-20 06:00:17,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:00:17,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:00:17,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:00:17,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:17,114 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2020-10-20 06:00:17,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:17,340 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2020-10-20 06:00:17,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:00:17,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-20 06:00:17,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:17,357 INFO L225 Difference]: With dead ends: 163 [2020-10-20 06:00:17,358 INFO L226 Difference]: Without dead ends: 160 [2020-10-20 06:00:17,360 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 [2020-10-20 06:00:17,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-20 06:00:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2020-10-20 06:00:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-20 06:00:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2020-10-20 06:00:17,421 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2020-10-20 06:00:17,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:17,422 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2020-10-20 06:00:17,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:00:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2020-10-20 06:00:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 06:00:17,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:17,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:17,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:00:17,639 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:17,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2020-10-20 06:00:17,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:17,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318697632] [2020-10-20 06:00:17,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:17,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:00:17,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:17,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:00:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:17,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318697632] [2020-10-20 06:00:17,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:17,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:00:17,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124991432] [2020-10-20 06:00:17,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:00:17,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:00:17,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:00:17,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:00:17,979 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2020-10-20 06:00:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:18,189 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2020-10-20 06:00:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:00:18,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-20 06:00:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:18,192 INFO L225 Difference]: With dead ends: 156 [2020-10-20 06:00:18,192 INFO L226 Difference]: Without dead ends: 153 [2020-10-20 06:00:18,193 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 [2020-10-20 06:00:18,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-20 06:00:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2020-10-20 06:00:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-20 06:00:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2020-10-20 06:00:18,205 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2020-10-20 06:00:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:18,205 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2020-10-20 06:00:18,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:00:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2020-10-20 06:00:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 06:00:18,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:18,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:18,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:00:18,420 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:18,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:18,420 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2020-10-20 06:00:18,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:18,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100823906] [2020-10-20 06:00:18,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:18,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:00:18,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:18,592 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 [2020-10-20 06:00:18,593 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:18,596 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:18,596 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:00:18,597 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:00:18,673 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:18,674 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 30 [2020-10-20 06:00:18,675 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:18,690 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-10-20 06:00:18,692 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:00:18,692 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2020-10-20 06:00:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:18,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:00:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:18,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100823906] [2020-10-20 06:00:18,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:00:18,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2020-10-20 06:00:18,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532980791] [2020-10-20 06:00:18,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 06:00:18,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:00:18,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 06:00:18,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:00:18,835 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 8 states. [2020-10-20 06:00:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:38,073 INFO L93 Difference]: Finished difference Result 194 states and 221 transitions. [2020-10-20 06:00:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 06:00:38,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-10-20 06:00:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:38,076 INFO L225 Difference]: With dead ends: 194 [2020-10-20 06:00:38,077 INFO L226 Difference]: Without dead ends: 194 [2020-10-20 06:00:38,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=49, Invalid=131, Unknown=2, NotChecked=0, Total=182 [2020-10-20 06:00:38,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-20 06:00:38,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 113. [2020-10-20 06:00:38,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-20 06:00:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2020-10-20 06:00:38,093 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 19 [2020-10-20 06:00:38,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:38,093 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2020-10-20 06:00:38,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 06:00:38,094 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2020-10-20 06:00:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 06:00:38,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:38,095 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:38,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:00:38,308 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:38,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:38,308 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2020-10-20 06:00:38,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:38,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483903162] [2020-10-20 06:00:38,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:38,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-20 06:00:38,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:38,455 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 [2020-10-20 06:00:38,455 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:38,466 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:38,471 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 [2020-10-20 06:00:38,471 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:38,481 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:38,482 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:00:38,482 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-10-20 06:00:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:00:40,660 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-10-20 06:00:40,661 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:40,684 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:40,695 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:40,695 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 06:00:40,696 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:40,714 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:40,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483903162] [2020-10-20 06:00:40,717 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:00:40,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [228308111] [2020-10-20 06:00:40,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:00:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:41,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-20 06:00:41,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:41,009 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 [2020-10-20 06:00:41,010 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,017 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,021 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 [2020-10-20 06:00:41,021 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,029 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,029 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,029 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-10-20 06:00:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:00:41,057 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-10-20 06:00:41,058 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,071 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,081 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,082 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 06:00:41,082 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,097 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,098 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:00:41,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024654800] [2020-10-20 06:00:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:00:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:41,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-20 06:00:41,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:41,233 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 [2020-10-20 06:00:41,234 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,243 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,246 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 [2020-10-20 06:00:41,247 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,254 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,254 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-10-20 06:00:41,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:00:41,279 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-10-20 06:00:41,280 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,294 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,305 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,306 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 06:00:41,306 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:41,317 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:41,318 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:00:41,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:41,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 06:00:41,318 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 06:00:41,319 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:00:41,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt --rewrite-divk,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:00:41,939 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 06:00:41,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:00:41 BoogieIcfgContainer [2020-10-20 06:00:41,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:00:41,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:00:41,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:00:41,940 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:00:41,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:16" (3/4) ... [2020-10-20 06:00:41,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:00:41,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:00:41,946 INFO L168 Benchmark]: Toolchain (without parser) took 28151.94 ms. Allocated memory was 34.6 MB in the beginning and 97.0 MB in the end (delta: 62.4 MB). Free memory was 14.5 MB in the beginning and 50.4 MB in the end (delta: -35.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:41,946 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 33.6 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:41,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1040.71 ms. Allocated memory was 34.6 MB in the beginning and 44.6 MB in the end (delta: 10.0 MB). Free memory was 13.7 MB in the beginning and 17.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:41,948 INFO L168 Benchmark]: Boogie Preprocessor took 112.89 ms. Allocated memory is still 44.6 MB. Free memory was 17.1 MB in the beginning and 11.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:41,949 INFO L168 Benchmark]: RCFGBuilder took 1555.64 ms. Allocated memory was 44.6 MB in the beginning and 55.6 MB in the end (delta: 11.0 MB). Free memory was 11.8 MB in the beginning and 10.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:41,949 INFO L168 Benchmark]: TraceAbstraction took 25426.90 ms. Allocated memory was 55.6 MB in the beginning and 97.0 MB in the end (delta: 41.4 MB). Free memory was 10.0 MB in the beginning and 50.4 MB in the end (delta: -40.4 MB). Peak memory consumption was 984.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:41,950 INFO L168 Benchmark]: Witness Printer took 4.13 ms. Allocated memory is still 97.0 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:00:41,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 33.6 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1040.71 ms. Allocated memory was 34.6 MB in the beginning and 44.6 MB in the end (delta: 10.0 MB). Free memory was 13.7 MB in the beginning and 17.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 112.89 ms. Allocated memory is still 44.6 MB. Free memory was 17.1 MB in the beginning and 11.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1555.64 ms. Allocated memory was 44.6 MB in the beginning and 55.6 MB in the end (delta: 11.0 MB). Free memory was 11.8 MB in the beginning and 10.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 25426.90 ms. Allocated memory was 55.6 MB in the beginning and 97.0 MB in the end (delta: 41.4 MB). Free memory was 10.0 MB in the beginning and 50.4 MB in the end (delta: -40.4 MB). Peak memory consumption was 984.7 kB. Max. memory is 14.3 GB. * Witness Printer took 4.13 ms. Allocated memory is still 97.0 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L788] CALL entry_point() [L773] CALL, EXPR ldv_malloc(sizeof(struct A10)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L773] RET, EXPR ldv_malloc(sizeof(struct A10)) [L773] struct A10 *a10 = (struct A10 *)ldv_malloc(sizeof(struct A10)); [L774] COND FALSE !(!a10) [L775] CALL, EXPR ldv_malloc(sizeof(struct B10)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L775] RET, EXPR ldv_malloc(sizeof(struct B10)) [L775] a10->b = (struct B10 *)ldv_malloc(sizeof(struct B10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 415 locations, 113 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 25.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 324 SDtfs, 300 SDslu, 600 SDs, 0 SdLazy, 710 SolverSat, 72 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 86 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred 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, 3 MinimizatonAttempts, 186 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 6 QuantifiedInterpolants, 4944 SizeOfPredicates, 4 NumberOfNonLiveVariables, 249 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4/8 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...