./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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_test8_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 79a252c986c7b06f14f3ee394685573049ad76fb ............................................................................................................................... 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 -Xmx12G -Xms1G -ea -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_test8_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 79a252c986c7b06f14f3ee394685573049ad76fb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:06:46,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:06:46,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:06:46,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:06:46,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:06:46,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:06:46,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:06:46,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:06:46,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:06:46,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:06:46,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:06:46,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:06:46,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:06:46,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:06:46,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:06:46,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:06:46,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:06:46,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:06:46,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:06:46,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:06:46,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:06:46,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:06:46,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:06:46,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:06:46,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:06:46,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:06:46,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:06:46,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:06:46,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:06:46,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:06:46,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:06:46,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:06:46,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:06:46,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:06:46,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:06:46,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:06:46,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:06:46,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:06:46,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:06:46,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:06:46,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:06:46,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-07-29 01:06:46,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:06:46,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:06:46,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:06:46,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:06:46,838 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:06:46,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:06:46,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:06:46,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:06:46,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:06:46,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:06:46,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:06:46,840 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:06:46,841 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:06:46,841 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:06:46,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:06:46,842 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:06:46,842 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:06:46,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:06:46,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:06:46,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:06:46,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:06:46,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:06:46,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:06:46,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:06:46,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:06:46,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:06:46,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:06:46,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:06:46,845 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 -> 79a252c986c7b06f14f3ee394685573049ad76fb [2020-07-29 01:06:47,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:06:47,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:06:47,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:06:47,160 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:06:47,163 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:06:47,164 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2020-07-29 01:06:47,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d28ff98/50932065bc1a449c82916a1ef546e627/FLAG4d0ee3161 [2020-07-29 01:06:47,767 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:06:47,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2020-07-29 01:06:47,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d28ff98/50932065bc1a449c82916a1ef546e627/FLAG4d0ee3161 [2020-07-29 01:06:48,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d28ff98/50932065bc1a449c82916a1ef546e627 [2020-07-29 01:06:48,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:06:48,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:06:48,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:06:48,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:06:48,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:06:48,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:06:48" (1/1) ... [2020-07-29 01:06:48,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be41ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:48, skipping insertion in model container [2020-07-29 01:06:48,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:06:48" (1/1) ... [2020-07-29 01:06:48,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:06:48,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:06:48,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:06:48,679 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) [2020-07-29 01:06:48,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5297beb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:48, skipping insertion in model container [2020-07-29 01:06:48,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:06:48,680 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-29 01:06:48,684 INFO L168 Benchmark]: Toolchain (without parser) took 630.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:06:48,685 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:06:48,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:06:48,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:06:50,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:06:50,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:06:50,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:06:50,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:06:50,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:06:50,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:06:50,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:06:50,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:06:50,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:06:50,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:06:50,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:06:50,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:06:50,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:06:50,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:06:50,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:06:50,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:06:50,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:06:50,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:06:50,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:06:50,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:06:50,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:06:50,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:06:50,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:06:50,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:06:50,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:06:50,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:06:50,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:06:50,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:06:50,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:06:50,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:06:50,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:06:50,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:06:50,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:06:50,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:06:50,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:06:50,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:06:50,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:06:50,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:06:50,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:06:50,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:06:50,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-07-29 01:06:50,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:06:50,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:06:50,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:06:50,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:06:50,705 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:06:50,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:06:50,706 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:06:50,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:06:50,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:06:50,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:06:50,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:06:50,710 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:06:50,710 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:06:50,710 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:06:50,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:06:50,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:06:50,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-29 01:06:50,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-29 01:06:50,711 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:06:50,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:06:50,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:06:50,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:06:50,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:06:50,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:06:50,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:06:50,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:06:50,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:06:50,715 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-29 01:06:50,715 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-29 01:06:50,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:06:50,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-29 01:06:50,715 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 -> 79a252c986c7b06f14f3ee394685573049ad76fb [2020-07-29 01:06:51,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:06:51,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:06:51,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:06:51,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:06:51,043 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:06:51,044 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2020-07-29 01:06:51,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e4671b/7a20a0c2a71a459fb73ae32ec0e2001e/FLAG755ef65e6 [2020-07-29 01:06:51,757 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:06:51,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2020-07-29 01:06:51,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e4671b/7a20a0c2a71a459fb73ae32ec0e2001e/FLAG755ef65e6 [2020-07-29 01:06:52,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/551e4671b/7a20a0c2a71a459fb73ae32ec0e2001e [2020-07-29 01:06:52,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:06:52,094 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:06:52,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:06:52,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:06:52,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:06:52,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:52,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ca22ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52, skipping insertion in model container [2020-07-29 01:06:52,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:52,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:06:52,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:06:52,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:06:52,705 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-07-29 01:06:52,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:06:52,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:06:52,827 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:06:52,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:06:52,997 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:06:52,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52 WrapperNode [2020-07-29 01:06:53,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:06:53,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:06:53,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:06:53,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:06:53,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:53,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:53,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:53,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:53,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:53,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:53,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (1/1) ... [2020-07-29 01:06:53,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:06:53,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:06:53,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:06:53,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:06:53,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (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 [2020-07-29 01:06:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-29 01:06:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:06:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-07-29 01:06:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-07-29 01:06:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-29 01:06:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-29 01:06:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-29 01:06:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-29 01:06:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-29 01:06:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-07-29 01:06:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-07-29 01:06:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-29 01:06:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-29 01:06:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-07-29 01:06:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-07-29 01:06:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-07-29 01:06:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-07-29 01:06:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-07-29 01:06:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-07-29 01:06:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-07-29 01:06:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-07-29 01:06:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-07-29 01:06:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-07-29 01:06:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-07-29 01:06:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-07-29 01:06:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-07-29 01:06:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-07-29 01:06:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-07-29 01:06:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-07-29 01:06:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-07-29 01:06:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-07-29 01:06:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-07-29 01:06:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-07-29 01:06:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-07-29 01:06:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-07-29 01:06:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-07-29 01:06:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-07-29 01:06:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-07-29 01:06:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-07-29 01:06:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-07-29 01:06:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-29 01:06:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-07-29 01:06:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2020-07-29 01:06:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2020-07-29 01:06:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-07-29 01:06:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-29 01:06:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-29 01:06:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-29 01:06:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-07-29 01:06:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-29 01:06:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-29 01:06:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-29 01:06:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-29 01:06:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-29 01:06:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-29 01:06:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-29 01:06:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-29 01:06:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-29 01:06:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-29 01:06:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-29 01:06:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-29 01:06:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-29 01:06:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-29 01:06:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-29 01:06:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-29 01:06:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-29 01:06:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-29 01:06:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-29 01:06:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-29 01:06:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-29 01:06:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-29 01:06:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-29 01:06:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-29 01:06:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-29 01:06:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-29 01:06:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-29 01:06:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-29 01:06:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-29 01:06:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-29 01:06:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-29 01:06:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-29 01:06:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-29 01:06:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-29 01:06:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-29 01:06:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-29 01:06:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-29 01:06:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-29 01:06:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-29 01:06:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-29 01:06:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-29 01:06:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-29 01:06:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-29 01:06:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-29 01:06:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-29 01:06:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-29 01:06:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-29 01:06:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-29 01:06:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-29 01:06:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-29 01:06:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-29 01:06:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-29 01:06:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-29 01:06:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-29 01:06:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-29 01:06:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-29 01:06:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-29 01:06:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-29 01:06:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-29 01:06:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-29 01:06:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-29 01:06:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-29 01:06:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-29 01:06:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-29 01:06:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-29 01:06:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-29 01:06:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-29 01:06:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-29 01:06:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-29 01:06:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-29 01:06:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-29 01:06:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-29 01:06:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-29 01:06:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-29 01:06:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-29 01:06:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-29 01:06:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-29 01:06:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-29 01:06:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-29 01:06:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-29 01:06:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-29 01:06:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-29 01:06:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-29 01:06:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-29 01:06:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-29 01:06:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-29 01:06:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-29 01:06:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-29 01:06:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-29 01:06:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-29 01:06:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-29 01:06:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-29 01:06:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-29 01:06:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-29 01:06:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-29 01:06:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-29 01:06:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-29 01:06:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-29 01:06:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-29 01:06:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-29 01:06:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-29 01:06:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-29 01:06:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-29 01:06:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-29 01:06:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-29 01:06:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-29 01:06:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-29 01:06:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-29 01:06:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-29 01:06:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-07-29 01:06:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-07-29 01:06:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-07-29 01:06:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-07-29 01:06:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-29 01:06:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:06:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-29 01:06:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-29 01:06:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-07-29 01:06:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 01:06:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-07-29 01:06:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-07-29 01:06:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-07-29 01:06:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 01:06:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-07-29 01:06:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-07-29 01:06:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-07-29 01:06:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-07-29 01:06:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-07-29 01:06:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-07-29 01:06:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:06:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-07-29 01:06:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-07-29 01:06:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-07-29 01:06:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-07-29 01:06:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-07-29 01:06:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-29 01:06:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-29 01:06:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-07-29 01:06:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-07-29 01:06:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-07-29 01:06:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-07-29 01:06:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-07-29 01:06:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-07-29 01:06:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-07-29 01:06:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-07-29 01:06:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-07-29 01:06:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-07-29 01:06:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-07-29 01:06:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-07-29 01:06:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-07-29 01:06:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-07-29 01:06:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-29 01:06:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-29 01:06:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-07-29 01:06:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2020-07-29 01:06:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2020-07-29 01:06:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-07-29 01:06:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-29 01:06:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-29 01:06:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:06:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-29 01:06:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:06:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-07-29 01:06:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-07-29 01:06:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-07-29 01:06:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-07-29 01:06:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-07-29 01:06:53,947 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:06:54,413 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:06:54,895 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:06:54,895 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-29 01:06:54,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:06:54 BoogieIcfgContainer [2020-07-29 01:06:54,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:06:54,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:06:54,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:06:54,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:06:54,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:06:52" (1/3) ... [2020-07-29 01:06:54,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35882e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:06:54, skipping insertion in model container [2020-07-29 01:06:54,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:06:52" (2/3) ... [2020-07-29 01:06:54,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35882e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:06:54, skipping insertion in model container [2020-07-29 01:06:54,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:06:54" (3/3) ... [2020-07-29 01:06:54,909 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2020-07-29 01:06:54,919 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:06:54,930 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-07-29 01:06:54,945 INFO L251 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-07-29 01:06:54,967 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:06:54,967 INFO L376 AbstractCegarLoop]: Hoare is false [2020-07-29 01:06:54,967 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:06:54,967 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:06:54,967 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:06:54,967 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:06:54,968 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:06:54,968 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:06:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-07-29 01:06:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-29 01:06:54,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:06:54,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:06:54,997 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:06:55,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:06:55,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1046257618, now seen corresponding path program 1 times [2020-07-29 01:06:55,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:06:55,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931986401] [2020-07-29 01:06:55,021 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 [2020-07-29 01:06:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:55,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:06:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:55,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:06:55,321 INFO L263 TraceCheckUtils]: 0: Hoare triple {107#true} call ULTIMATE.init(); {107#true} is VALID [2020-07-29 01:06:55,322 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {107#true} is VALID [2020-07-29 01:06:55,322 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} assume true; {107#true} is VALID [2020-07-29 01:06:55,323 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {107#true} {107#true} #460#return; {107#true} is VALID [2020-07-29 01:06:55,323 INFO L263 TraceCheckUtils]: 4: Hoare triple {107#true} call main(); {107#true} is VALID [2020-07-29 01:06:55,324 INFO L263 TraceCheckUtils]: 5: Hoare triple {107#true} call entry_point(); {107#true} is VALID [2020-07-29 01:06:55,324 INFO L263 TraceCheckUtils]: 6: Hoare triple {107#true} call alloc_8(); {107#true} is VALID [2020-07-29 01:06:55,324 INFO L263 TraceCheckUtils]: 7: Hoare triple {107#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {107#true} is VALID [2020-07-29 01:06:55,325 INFO L280 TraceCheckUtils]: 8: Hoare triple {107#true} ~size := #in~size; {107#true} is VALID [2020-07-29 01:06:55,326 INFO L280 TraceCheckUtils]: 9: Hoare triple {107#true} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} is VALID [2020-07-29 01:06:55,327 INFO L280 TraceCheckUtils]: 10: Hoare triple {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} assume true; {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} is VALID [2020-07-29 01:06:55,329 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} {107#true} #402#return; {146#(= (_ bv0 32) |alloc_8_#t~ret38.offset|)} is VALID [2020-07-29 01:06:55,331 INFO L280 TraceCheckUtils]: 12: Hoare triple {146#(= (_ bv0 32) |alloc_8_#t~ret38.offset|)} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,333 INFO L280 TraceCheckUtils]: 13: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} assume true; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,335 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {150#(= ~a8~0.offset (_ bv0 32))} {107#true} #446#return; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,336 INFO L263 TraceCheckUtils]: 15: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} call free_8(); {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,337 INFO L280 TraceCheckUtils]: 16: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,338 INFO L280 TraceCheckUtils]: 17: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} assume !(0bv32 == ~a8~0.offset); {108#false} is VALID [2020-07-29 01:06:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:55,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-29 01:06:55,525 INFO L280 TraceCheckUtils]: 17: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} assume !(0bv32 == ~a8~0.offset); {108#false} is VALID [2020-07-29 01:06:55,526 INFO L280 TraceCheckUtils]: 16: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,527 INFO L263 TraceCheckUtils]: 15: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} call free_8(); {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,527 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {150#(= ~a8~0.offset (_ bv0 32))} {107#true} #446#return; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,528 INFO L280 TraceCheckUtils]: 13: Hoare triple {150#(= ~a8~0.offset (_ bv0 32))} assume true; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,529 INFO L280 TraceCheckUtils]: 12: Hoare triple {146#(= (_ bv0 32) |alloc_8_#t~ret38.offset|)} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {150#(= ~a8~0.offset (_ bv0 32))} is VALID [2020-07-29 01:06:55,531 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} {107#true} #402#return; {146#(= (_ bv0 32) |alloc_8_#t~ret38.offset|)} is VALID [2020-07-29 01:06:55,531 INFO L280 TraceCheckUtils]: 10: Hoare triple {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} assume true; {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} is VALID [2020-07-29 01:06:55,533 INFO L280 TraceCheckUtils]: 9: Hoare triple {107#true} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {139#(= (_ bv0 32) |ldv_malloc_#res.offset|)} is VALID [2020-07-29 01:06:55,533 INFO L280 TraceCheckUtils]: 8: Hoare triple {107#true} ~size := #in~size; {107#true} is VALID [2020-07-29 01:06:55,533 INFO L263 TraceCheckUtils]: 7: Hoare triple {107#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {107#true} is VALID [2020-07-29 01:06:55,534 INFO L263 TraceCheckUtils]: 6: Hoare triple {107#true} call alloc_8(); {107#true} is VALID [2020-07-29 01:06:55,534 INFO L263 TraceCheckUtils]: 5: Hoare triple {107#true} call entry_point(); {107#true} is VALID [2020-07-29 01:06:55,534 INFO L263 TraceCheckUtils]: 4: Hoare triple {107#true} call main(); {107#true} is VALID [2020-07-29 01:06:55,535 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {107#true} {107#true} #460#return; {107#true} is VALID [2020-07-29 01:06:55,535 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} assume true; {107#true} is VALID [2020-07-29 01:06:55,535 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {107#true} is VALID [2020-07-29 01:06:55,536 INFO L263 TraceCheckUtils]: 0: Hoare triple {107#true} call ULTIMATE.init(); {107#true} is VALID [2020-07-29 01:06:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:55,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931986401] [2020-07-29 01:06:55,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:06:55,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-07-29 01:06:55,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343895886] [2020-07-29 01:06:55,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-29 01:06:55,550 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:06:55,554 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 01:06:55,592 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:55,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-29 01:06:55,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-29 01:06:55,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-29 01:06:55,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-29 01:06:55,605 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2020-07-29 01:06:55,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:55,852 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-07-29 01:06:55,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-29 01:06:55,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-29 01:06:55,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:06:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:06:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2020-07-29 01:06:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:06:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2020-07-29 01:06:55,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 36 transitions. [2020-07-29 01:06:55,924 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:55,936 INFO L225 Difference]: With dead ends: 33 [2020-07-29 01:06:55,936 INFO L226 Difference]: Without dead ends: 30 [2020-07-29 01:06:55,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-29 01:06:55,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-29 01:06:55,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-29 01:06:55,972 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:06:55,972 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-29 01:06:55,973 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-29 01:06:55,973 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-29 01:06:55,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:55,979 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-07-29 01:06:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-07-29 01:06:55,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:55,981 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:55,981 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-29 01:06:55,981 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-29 01:06:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:55,986 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-07-29 01:06:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-07-29 01:06:55,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:55,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:55,988 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:06:55,988 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:06:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-29 01:06:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-07-29 01:06:55,993 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2020-07-29 01:06:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:06:55,993 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-07-29 01:06:55,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-29 01:06:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-07-29 01:06:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-29 01:06:55,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:06:55,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:06:56,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-29 01:06:56,208 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:06:56,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:06:56,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1925752517, now seen corresponding path program 1 times [2020-07-29 01:06:56,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:06:56,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628915396] [2020-07-29 01:06:56,209 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 [2020-07-29 01:06:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:56,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 01:06:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:56,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:06:56,466 INFO L263 TraceCheckUtils]: 0: Hoare triple {346#true} call ULTIMATE.init(); {346#true} is VALID [2020-07-29 01:06:56,467 INFO L280 TraceCheckUtils]: 1: Hoare triple {346#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,468 INFO L280 TraceCheckUtils]: 2: Hoare triple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} assume true; {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,469 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} {346#true} #460#return; {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,470 INFO L263 TraceCheckUtils]: 4: Hoare triple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} call main(); {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,471 INFO L263 TraceCheckUtils]: 5: Hoare triple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} call entry_point(); {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,471 INFO L263 TraceCheckUtils]: 6: Hoare triple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} call alloc_8(); {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,472 INFO L263 TraceCheckUtils]: 7: Hoare triple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,472 INFO L280 TraceCheckUtils]: 8: Hoare triple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} ~size := #in~size; {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,473 INFO L280 TraceCheckUtils]: 9: Hoare triple {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {379#(and (not (= |ldv_malloc_#res.base| (_ bv0 32))) (bvult |ldv_malloc_#res.base| |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,474 INFO L280 TraceCheckUtils]: 10: Hoare triple {379#(and (not (= |ldv_malloc_#res.base| (_ bv0 32))) (bvult |ldv_malloc_#res.base| |#StackHeapBarrier|))} assume true; {379#(and (not (= |ldv_malloc_#res.base| (_ bv0 32))) (bvult |ldv_malloc_#res.base| |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,475 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {379#(and (not (= |ldv_malloc_#res.base| (_ bv0 32))) (bvult |ldv_malloc_#res.base| |#StackHeapBarrier|))} {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} #402#return; {386#(and (not (= (_ bv0 32) |alloc_8_#t~ret38.base|)) (bvult |alloc_8_#t~ret38.base| |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,476 INFO L280 TraceCheckUtils]: 12: Hoare triple {386#(and (not (= (_ bv0 32) |alloc_8_#t~ret38.base|)) (bvult |alloc_8_#t~ret38.base| |#StackHeapBarrier|))} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,478 INFO L280 TraceCheckUtils]: 13: Hoare triple {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} assume true; {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,482 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} {354#(bvult (_ bv0 32) |#StackHeapBarrier|)} #446#return; {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,483 INFO L263 TraceCheckUtils]: 15: Hoare triple {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} call free_8(); {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,484 INFO L280 TraceCheckUtils]: 16: Hoare triple {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,485 INFO L280 TraceCheckUtils]: 17: Hoare triple {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} assume 0bv32 == ~a8~0.offset; {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} is VALID [2020-07-29 01:06:56,485 INFO L280 TraceCheckUtils]: 18: Hoare triple {390#(and (not (= (_ bv0 32) ~a8~0.base)) (bvult ~a8~0.base |#StackHeapBarrier|))} assume !~bvult32(~a8~0.base, #StackHeapBarrier); {347#false} is VALID [2020-07-29 01:06:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:56,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-29 01:06:56,790 INFO L280 TraceCheckUtils]: 18: Hoare triple {409#(bvult ~a8~0.base |#StackHeapBarrier|)} assume !~bvult32(~a8~0.base, #StackHeapBarrier); {347#false} is VALID [2020-07-29 01:06:56,790 INFO L280 TraceCheckUtils]: 17: Hoare triple {409#(bvult ~a8~0.base |#StackHeapBarrier|)} assume 0bv32 == ~a8~0.offset; {409#(bvult ~a8~0.base |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,791 INFO L280 TraceCheckUtils]: 16: Hoare triple {409#(bvult ~a8~0.base |#StackHeapBarrier|)} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {409#(bvult ~a8~0.base |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,792 INFO L263 TraceCheckUtils]: 15: Hoare triple {409#(bvult ~a8~0.base |#StackHeapBarrier|)} call free_8(); {409#(bvult ~a8~0.base |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,792 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {409#(bvult ~a8~0.base |#StackHeapBarrier|)} {346#true} #446#return; {409#(bvult ~a8~0.base |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,793 INFO L280 TraceCheckUtils]: 13: Hoare triple {409#(bvult ~a8~0.base |#StackHeapBarrier|)} assume true; {409#(bvult ~a8~0.base |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,794 INFO L280 TraceCheckUtils]: 12: Hoare triple {431#(bvult |alloc_8_#t~ret38.base| |#StackHeapBarrier|)} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {409#(bvult ~a8~0.base |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,795 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {438#(bvult |ldv_malloc_#res.base| |#StackHeapBarrier|)} {346#true} #402#return; {431#(bvult |alloc_8_#t~ret38.base| |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,796 INFO L280 TraceCheckUtils]: 10: Hoare triple {438#(bvult |ldv_malloc_#res.base| |#StackHeapBarrier|)} assume true; {438#(bvult |ldv_malloc_#res.base| |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,797 INFO L280 TraceCheckUtils]: 9: Hoare triple {346#true} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {438#(bvult |ldv_malloc_#res.base| |#StackHeapBarrier|)} is VALID [2020-07-29 01:06:56,797 INFO L280 TraceCheckUtils]: 8: Hoare triple {346#true} ~size := #in~size; {346#true} is VALID [2020-07-29 01:06:56,797 INFO L263 TraceCheckUtils]: 7: Hoare triple {346#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {346#true} is VALID [2020-07-29 01:06:56,798 INFO L263 TraceCheckUtils]: 6: Hoare triple {346#true} call alloc_8(); {346#true} is VALID [2020-07-29 01:06:56,798 INFO L263 TraceCheckUtils]: 5: Hoare triple {346#true} call entry_point(); {346#true} is VALID [2020-07-29 01:06:56,798 INFO L263 TraceCheckUtils]: 4: Hoare triple {346#true} call main(); {346#true} is VALID [2020-07-29 01:06:56,798 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {346#true} {346#true} #460#return; {346#true} is VALID [2020-07-29 01:06:56,799 INFO L280 TraceCheckUtils]: 2: Hoare triple {346#true} assume true; {346#true} is VALID [2020-07-29 01:06:56,799 INFO L280 TraceCheckUtils]: 1: Hoare triple {346#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {346#true} is VALID [2020-07-29 01:06:56,800 INFO L263 TraceCheckUtils]: 0: Hoare triple {346#true} call ULTIMATE.init(); {346#true} is VALID [2020-07-29 01:06:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:56,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628915396] [2020-07-29 01:06:56,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:06:56,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-07-29 01:06:56,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233779871] [2020-07-29 01:06:56,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-07-29 01:06:56,804 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:06:56,804 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-29 01:06:56,860 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:56,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-29 01:06:56,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-29 01:06:56,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-29 01:06:56,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-29 01:06:56,861 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 9 states. [2020-07-29 01:06:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:57,608 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-07-29 01:06:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-29 01:06:57,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-07-29 01:06:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:06:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-29 01:06:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2020-07-29 01:06:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-29 01:06:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2020-07-29 01:06:57,619 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 50 transitions. [2020-07-29 01:06:57,714 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:57,717 INFO L225 Difference]: With dead ends: 43 [2020-07-29 01:06:57,717 INFO L226 Difference]: Without dead ends: 43 [2020-07-29 01:06:57,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-29 01:06:57,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-29 01:06:57,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-07-29 01:06:57,724 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:06:57,725 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 42 states. [2020-07-29 01:06:57,725 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 42 states. [2020-07-29 01:06:57,725 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 42 states. [2020-07-29 01:06:57,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:57,730 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-07-29 01:06:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-07-29 01:06:57,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:57,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:57,732 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 43 states. [2020-07-29 01:06:57,732 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 43 states. [2020-07-29 01:06:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:57,737 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-07-29 01:06:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-07-29 01:06:57,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:57,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:57,739 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:06:57,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:06:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-29 01:06:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-07-29 01:06:57,744 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2020-07-29 01:06:57,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:06:57,744 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-07-29 01:06:57,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-29 01:06:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-07-29 01:06:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-29 01:06:57,746 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:06:57,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:06:57,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-29 01:06:57,959 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:06:57,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:06:57,959 INFO L82 PathProgramCache]: Analyzing trace with hash -431213808, now seen corresponding path program 1 times [2020-07-29 01:06:57,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:06:57,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022204252] [2020-07-29 01:06:57,961 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 [2020-07-29 01:06:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:58,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 01:06:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:58,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:06:58,142 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 [2020-07-29 01:06:58,143 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-29 01:06:58,146 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-29 01:06:58,147 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-29 01:06:58,147 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-29 01:06:58,151 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-29 01:06:58,151 WARN L407 uantifierElimination]: Input elimination task: ∃ [|v_#valid_146|]. (= |#valid| (store |v_#valid_146| |ldv_malloc_#res.base| (_ bv1 1))) [2020-07-29 01:06:58,151 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (= (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) [2020-07-29 01:06:58,215 INFO L263 TraceCheckUtils]: 0: Hoare triple {647#true} call ULTIMATE.init(); {647#true} is VALID [2020-07-29 01:06:58,216 INFO L280 TraceCheckUtils]: 1: Hoare triple {647#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {647#true} is VALID [2020-07-29 01:06:58,216 INFO L280 TraceCheckUtils]: 2: Hoare triple {647#true} assume true; {647#true} is VALID [2020-07-29 01:06:58,216 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {647#true} {647#true} #460#return; {647#true} is VALID [2020-07-29 01:06:58,217 INFO L263 TraceCheckUtils]: 4: Hoare triple {647#true} call main(); {647#true} is VALID [2020-07-29 01:06:58,217 INFO L263 TraceCheckUtils]: 5: Hoare triple {647#true} call entry_point(); {647#true} is VALID [2020-07-29 01:06:58,217 INFO L263 TraceCheckUtils]: 6: Hoare triple {647#true} call alloc_8(); {647#true} is VALID [2020-07-29 01:06:58,217 INFO L263 TraceCheckUtils]: 7: Hoare triple {647#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {647#true} is VALID [2020-07-29 01:06:58,217 INFO L280 TraceCheckUtils]: 8: Hoare triple {647#true} ~size := #in~size; {647#true} is VALID [2020-07-29 01:06:58,219 INFO L280 TraceCheckUtils]: 9: Hoare triple {647#true} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} is VALID [2020-07-29 01:06:58,220 INFO L280 TraceCheckUtils]: 10: Hoare triple {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} assume true; {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} is VALID [2020-07-29 01:06:58,221 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} {647#true} #402#return; {686#(= (bvadd (select |#valid| |alloc_8_#t~ret38.base|) (_ bv1 1)) (_ bv0 1))} is VALID [2020-07-29 01:06:58,222 INFO L280 TraceCheckUtils]: 12: Hoare triple {686#(= (bvadd (select |#valid| |alloc_8_#t~ret38.base|) (_ bv1 1)) (_ bv0 1))} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,222 INFO L280 TraceCheckUtils]: 13: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume true; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,223 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} {647#true} #446#return; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,225 INFO L263 TraceCheckUtils]: 15: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} call free_8(); {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,225 INFO L280 TraceCheckUtils]: 16: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,226 INFO L280 TraceCheckUtils]: 17: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume 0bv32 == ~a8~0.offset; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,228 INFO L280 TraceCheckUtils]: 18: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume ~bvult32(~a8~0.base, #StackHeapBarrier); {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,229 INFO L280 TraceCheckUtils]: 19: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume !(0bv32 == ~a8~0.base || 1bv1 == #valid[~a8~0.base]); {648#false} is VALID [2020-07-29 01:06:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:58,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-29 01:06:58,373 INFO L280 TraceCheckUtils]: 19: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume !(0bv32 == ~a8~0.base || 1bv1 == #valid[~a8~0.base]); {648#false} is VALID [2020-07-29 01:06:58,374 INFO L280 TraceCheckUtils]: 18: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume ~bvult32(~a8~0.base, #StackHeapBarrier); {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,375 INFO L280 TraceCheckUtils]: 17: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume 0bv32 == ~a8~0.offset; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,375 INFO L280 TraceCheckUtils]: 16: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,376 INFO L263 TraceCheckUtils]: 15: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} call free_8(); {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,377 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} {647#true} #446#return; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,378 INFO L280 TraceCheckUtils]: 13: Hoare triple {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} assume true; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,379 INFO L280 TraceCheckUtils]: 12: Hoare triple {686#(= (bvadd (select |#valid| |alloc_8_#t~ret38.base|) (_ bv1 1)) (_ bv0 1))} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {690#(= (_ bv1 1) (select |#valid| ~a8~0.base))} is VALID [2020-07-29 01:06:58,380 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} {647#true} #402#return; {686#(= (bvadd (select |#valid| |alloc_8_#t~ret38.base|) (_ bv1 1)) (_ bv0 1))} is VALID [2020-07-29 01:06:58,381 INFO L280 TraceCheckUtils]: 10: Hoare triple {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} assume true; {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} is VALID [2020-07-29 01:06:58,383 INFO L280 TraceCheckUtils]: 9: Hoare triple {647#true} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {679#(= (bvadd (select |#valid| |ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1))} is VALID [2020-07-29 01:06:58,383 INFO L280 TraceCheckUtils]: 8: Hoare triple {647#true} ~size := #in~size; {647#true} is VALID [2020-07-29 01:06:58,383 INFO L263 TraceCheckUtils]: 7: Hoare triple {647#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {647#true} is VALID [2020-07-29 01:06:58,383 INFO L263 TraceCheckUtils]: 6: Hoare triple {647#true} call alloc_8(); {647#true} is VALID [2020-07-29 01:06:58,384 INFO L263 TraceCheckUtils]: 5: Hoare triple {647#true} call entry_point(); {647#true} is VALID [2020-07-29 01:06:58,384 INFO L263 TraceCheckUtils]: 4: Hoare triple {647#true} call main(); {647#true} is VALID [2020-07-29 01:06:58,384 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {647#true} {647#true} #460#return; {647#true} is VALID [2020-07-29 01:06:58,384 INFO L280 TraceCheckUtils]: 2: Hoare triple {647#true} assume true; {647#true} is VALID [2020-07-29 01:06:58,385 INFO L280 TraceCheckUtils]: 1: Hoare triple {647#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {647#true} is VALID [2020-07-29 01:06:58,385 INFO L263 TraceCheckUtils]: 0: Hoare triple {647#true} call ULTIMATE.init(); {647#true} is VALID [2020-07-29 01:06:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:58,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022204252] [2020-07-29 01:06:58,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:06:58,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-07-29 01:06:58,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540737084] [2020-07-29 01:06:58,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-07-29 01:06:58,388 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:06:58,389 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 01:06:58,414 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:58,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-29 01:06:58,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-29 01:06:58,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-29 01:06:58,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-29 01:06:58,415 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-07-29 01:06:58,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:58,606 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-07-29 01:06:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-29 01:06:58,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-07-29 01:06:58,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:06:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:06:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-29 01:06:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:06:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-29 01:06:58,622 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-29 01:06:58,694 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:58,697 INFO L225 Difference]: With dead ends: 46 [2020-07-29 01:06:58,697 INFO L226 Difference]: Without dead ends: 46 [2020-07-29 01:06:58,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-29 01:06:58,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-29 01:06:58,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-07-29 01:06:58,704 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:06:58,704 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 46 states. [2020-07-29 01:06:58,705 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 46 states. [2020-07-29 01:06:58,705 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 46 states. [2020-07-29 01:06:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:58,709 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-07-29 01:06:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2020-07-29 01:06:58,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:58,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:58,711 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 46 states. [2020-07-29 01:06:58,712 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 46 states. [2020-07-29 01:06:58,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:58,716 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-07-29 01:06:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2020-07-29 01:06:58,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:58,717 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:58,717 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:06:58,717 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:06:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-07-29 01:06:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2020-07-29 01:06:58,721 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 20 [2020-07-29 01:06:58,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:06:58,722 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2020-07-29 01:06:58,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-29 01:06:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2020-07-29 01:06:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-29 01:06:58,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:06:58,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:06:58,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-29 01:06:58,934 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:06:58,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:06:58,935 INFO L82 PathProgramCache]: Analyzing trace with hash 2066802129, now seen corresponding path program 1 times [2020-07-29 01:06:58,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:06:58,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506838771] [2020-07-29 01:06:58,936 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 [2020-07-29 01:06:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:59,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 01:06:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:06:59,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:06:59,174 INFO L263 TraceCheckUtils]: 0: Hoare triple {955#true} call ULTIMATE.init(); {955#true} is VALID [2020-07-29 01:06:59,174 INFO L280 TraceCheckUtils]: 1: Hoare triple {955#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {955#true} is VALID [2020-07-29 01:06:59,174 INFO L280 TraceCheckUtils]: 2: Hoare triple {955#true} assume true; {955#true} is VALID [2020-07-29 01:06:59,175 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {955#true} {955#true} #460#return; {955#true} is VALID [2020-07-29 01:06:59,175 INFO L263 TraceCheckUtils]: 4: Hoare triple {955#true} call main(); {955#true} is VALID [2020-07-29 01:06:59,175 INFO L263 TraceCheckUtils]: 5: Hoare triple {955#true} call entry_point(); {955#true} is VALID [2020-07-29 01:06:59,175 INFO L263 TraceCheckUtils]: 6: Hoare triple {955#true} call alloc_8(); {955#true} is VALID [2020-07-29 01:06:59,176 INFO L263 TraceCheckUtils]: 7: Hoare triple {955#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {955#true} is VALID [2020-07-29 01:06:59,176 INFO L280 TraceCheckUtils]: 8: Hoare triple {955#true} ~size := #in~size; {955#true} is VALID [2020-07-29 01:06:59,178 INFO L280 TraceCheckUtils]: 9: Hoare triple {955#true} assume !(0bv32 != #t~nondet11);havoc #t~nondet11;#res.base, #res.offset := 0bv32, 0bv32; {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:06:59,179 INFO L280 TraceCheckUtils]: 10: Hoare triple {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} assume true; {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:06:59,181 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} {955#true} #402#return; {994#(and (= (_ bv0 32) |alloc_8_#t~ret38.base|) (= (_ bv0 32) |alloc_8_#t~ret38.offset|))} is VALID [2020-07-29 01:06:59,182 INFO L280 TraceCheckUtils]: 12: Hoare triple {994#(and (= (_ bv0 32) |alloc_8_#t~ret38.base|) (= (_ bv0 32) |alloc_8_#t~ret38.offset|))} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,185 INFO L280 TraceCheckUtils]: 13: Hoare triple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} assume true; {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,187 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} {955#true} #446#return; {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,188 INFO L263 TraceCheckUtils]: 15: Hoare triple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} call free_8(); {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,190 INFO L280 TraceCheckUtils]: 16: Hoare triple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {956#false} is VALID [2020-07-29 01:06:59,190 INFO L280 TraceCheckUtils]: 17: Hoare triple {956#false} assume 0bv32 == ~a8~0.offset; {956#false} is VALID [2020-07-29 01:06:59,190 INFO L280 TraceCheckUtils]: 18: Hoare triple {956#false} assume ~bvult32(~a8~0.base, #StackHeapBarrier); {956#false} is VALID [2020-07-29 01:06:59,191 INFO L280 TraceCheckUtils]: 19: Hoare triple {956#false} assume !(0bv32 == ~a8~0.base || 1bv1 == #valid[~a8~0.base]); {956#false} is VALID [2020-07-29 01:06:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:59,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-29 01:06:59,387 INFO L280 TraceCheckUtils]: 19: Hoare triple {956#false} assume !(0bv32 == ~a8~0.base || 1bv1 == #valid[~a8~0.base]); {956#false} is VALID [2020-07-29 01:06:59,388 INFO L280 TraceCheckUtils]: 18: Hoare triple {956#false} assume ~bvult32(~a8~0.base, #StackHeapBarrier); {956#false} is VALID [2020-07-29 01:06:59,388 INFO L280 TraceCheckUtils]: 17: Hoare triple {956#false} assume 0bv32 == ~a8~0.offset; {956#false} is VALID [2020-07-29 01:06:59,389 INFO L280 TraceCheckUtils]: 16: Hoare triple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} assume ~a8~0.base != 0bv32 || ~a8~0.offset != 0bv32; {956#false} is VALID [2020-07-29 01:06:59,389 INFO L263 TraceCheckUtils]: 15: Hoare triple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} call free_8(); {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,390 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} {955#true} #446#return; {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,390 INFO L280 TraceCheckUtils]: 13: Hoare triple {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} assume true; {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,391 INFO L280 TraceCheckUtils]: 12: Hoare triple {994#(and (= (_ bv0 32) |alloc_8_#t~ret38.base|) (= (_ bv0 32) |alloc_8_#t~ret38.offset|))} ~a8~0.base, ~a8~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {998#(and (= ~a8~0.offset (_ bv0 32)) (= (_ bv0 32) ~a8~0.base))} is VALID [2020-07-29 01:06:59,392 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} {955#true} #402#return; {994#(and (= (_ bv0 32) |alloc_8_#t~ret38.base|) (= (_ bv0 32) |alloc_8_#t~ret38.offset|))} is VALID [2020-07-29 01:06:59,392 INFO L280 TraceCheckUtils]: 10: Hoare triple {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} assume true; {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:06:59,393 INFO L280 TraceCheckUtils]: 9: Hoare triple {955#true} assume !(0bv32 != #t~nondet11);havoc #t~nondet11;#res.base, #res.offset := 0bv32, 0bv32; {987#(and (= (_ bv0 32) |ldv_malloc_#res.offset|) (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:06:59,393 INFO L280 TraceCheckUtils]: 8: Hoare triple {955#true} ~size := #in~size; {955#true} is VALID [2020-07-29 01:06:59,393 INFO L263 TraceCheckUtils]: 7: Hoare triple {955#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(4bv32); {955#true} is VALID [2020-07-29 01:06:59,394 INFO L263 TraceCheckUtils]: 6: Hoare triple {955#true} call alloc_8(); {955#true} is VALID [2020-07-29 01:06:59,394 INFO L263 TraceCheckUtils]: 5: Hoare triple {955#true} call entry_point(); {955#true} is VALID [2020-07-29 01:06:59,394 INFO L263 TraceCheckUtils]: 4: Hoare triple {955#true} call main(); {955#true} is VALID [2020-07-29 01:06:59,395 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {955#true} {955#true} #460#return; {955#true} is VALID [2020-07-29 01:06:59,395 INFO L280 TraceCheckUtils]: 2: Hoare triple {955#true} assume true; {955#true} is VALID [2020-07-29 01:06:59,396 INFO L280 TraceCheckUtils]: 1: Hoare triple {955#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~a8~0.base, ~a8~0.offset := 0bv32, 0bv32; {955#true} is VALID [2020-07-29 01:06:59,396 INFO L263 TraceCheckUtils]: 0: Hoare triple {955#true} call ULTIMATE.init(); {955#true} is VALID [2020-07-29 01:06:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:06:59,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506838771] [2020-07-29 01:06:59,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:06:59,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-07-29 01:06:59,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897979713] [2020-07-29 01:06:59,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-07-29 01:06:59,398 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:06:59,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 01:06:59,434 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:59,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-29 01:06:59,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-29 01:06:59,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-29 01:06:59,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-29 01:06:59,435 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 5 states. [2020-07-29 01:06:59,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:59,632 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-07-29 01:06:59,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-29 01:06:59,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-07-29 01:06:59,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:06:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:06:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-29 01:06:59,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:06:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-29 01:06:59,638 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-29 01:06:59,715 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:06:59,719 INFO L225 Difference]: With dead ends: 44 [2020-07-29 01:06:59,720 INFO L226 Difference]: Without dead ends: 44 [2020-07-29 01:06:59,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-29 01:06:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-29 01:06:59,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2020-07-29 01:06:59,728 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:06:59,728 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 43 states. [2020-07-29 01:06:59,728 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 43 states. [2020-07-29 01:06:59,728 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 43 states. [2020-07-29 01:06:59,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:59,736 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-07-29 01:06:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-07-29 01:06:59,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:59,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:59,738 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 44 states. [2020-07-29 01:06:59,739 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 44 states. [2020-07-29 01:06:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:06:59,746 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-07-29 01:06:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-07-29 01:06:59,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:06:59,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:06:59,748 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:06:59,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:06:59,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-29 01:06:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2020-07-29 01:06:59,751 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 20 [2020-07-29 01:06:59,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:06:59,752 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2020-07-29 01:06:59,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-29 01:06:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-07-29 01:06:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-29 01:06:59,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:06:59,753 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:06:59,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-07-29 01:06:59,966 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:06:59,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:06:59,967 INFO L82 PathProgramCache]: Analyzing trace with hash -28410770, now seen corresponding path program 1 times [2020-07-29 01:06:59,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:06:59,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648464363] [2020-07-29 01:06:59,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-07-29 01:07:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:07:00,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:07:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:07:00,105 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:07:00,166 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-29 01:07:00,166 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-29 01:07:00,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-07-29 01:07:00,411 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:07:00,412 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,413 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:07:00,413 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 11bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,413 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,414 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,414 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,414 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,415 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,415 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,416 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,416 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,417 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,417 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,417 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,417 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,418 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,418 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,419 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,420 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,420 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,420 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,421 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,421 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,421 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,421 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,422 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,422 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,422 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,422 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,423 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,423 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,424 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,424 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,425 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,425 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:07:00 BoogieIcfgContainer [2020-07-29 01:07:00,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:07:00,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:07:00,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:07:00,433 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:07:00,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:06:54" (3/4) ... [2020-07-29 01:07:00,436 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-29 01:07:00,444 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,445 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 11bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,445 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:07:00,445 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:07:00,445 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,445 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,446 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,446 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,446 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,446 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,447 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,447 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,447 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,448 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,448 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,448 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,449 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,449 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,449 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,449 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,450 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,450 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,450 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,450 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,451 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,451 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,451 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,451 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,452 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,452 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,452 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,453 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,453 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,453 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,453 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,454 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2020-07-29 01:07:00,511 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:07:00,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:07:00,513 INFO L168 Benchmark]: Toolchain (without parser) took 8420.69 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 340.8 MB). Free memory was 950.8 MB in the beginning and 1.2 GB in the end (delta: -252.5 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:07:00,514 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:07:00,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:07:00,515 INFO L168 Benchmark]: Boogie Preprocessor took 135.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:07:00,515 INFO L168 Benchmark]: RCFGBuilder took 1763.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.8 MB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:07:00,516 INFO L168 Benchmark]: TraceAbstraction took 5530.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 916.8 MB in the beginning and 1.2 GB in the end (delta: -295.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:07:00,516 INFO L168 Benchmark]: Witness Printer took 78.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:07:00,519 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 905.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 135.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1763.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.8 MB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5530.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 916.8 MB in the beginning and 1.2 GB in the end (delta: -295.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 78.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 11bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 11bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 762]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={3:0}] [L771] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={3:0}] [L765] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={3:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, \result={1:0}, a8={0:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L766] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) [L766] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.4s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 94 SDslu, 245 SDs, 0 SdLazy, 159 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 8304 SizeOfPredicates, 7 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...