./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3d056a1f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_test22_4.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 8e9fad8e4cf3911fa9881577a543d060495d5513 ............................................................................................................................ 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 -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_test22_4.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 8e9fad8e4cf3911fa9881577a543d060495d5513 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))) --- Real Ultimate output --- This is Ultimate 0.1.24-3d056a1 [2019-11-22 14:18:49,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:18:49,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:18:49,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:18:49,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:18:49,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:18:49,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:18:49,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:18:49,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:18:49,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:18:49,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:18:49,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:18:49,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:18:49,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:18:49,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:18:49,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:18:49,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:18:49,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:18:49,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:18:49,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:18:49,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:18:49,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:18:49,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:18:49,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:18:49,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:18:49,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:18:49,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:18:49,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:18:49,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:18:49,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:18:49,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:18:49,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:18:49,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:18:49,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:18:49,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:18:49,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:18:49,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:18:49,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:18:49,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:18:49,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:18:49,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:18:49,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-22 14:18:49,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:18:49,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:18:49,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:18:49,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:18:49,818 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:18:49,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:18:49,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:18:49,819 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 14:18:49,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 14:18:49,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:18:49,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:18:49,821 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 14:18:49,821 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 14:18:49,822 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 14:18:49,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:18:49,822 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:18:49,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:18:49,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:18:49,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:18:49,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:18:49,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:18:49,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:18:49,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:18:49,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:18:49,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:18:49,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 14:18:49,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 14:18:49,825 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 -> 8e9fad8e4cf3911fa9881577a543d060495d5513 [2019-11-22 14:18:50,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:18:50,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:18:50,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:18:50,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:18:50,162 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:18:50,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-22 14:18:50,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa396a52/f7641758aaeb4c83ae1e78282949d5a5/FLAG116731cfe [2019-11-22 14:18:50,799 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:18:50,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-22 14:18:50,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa396a52/f7641758aaeb4c83ae1e78282949d5a5/FLAG116731cfe [2019-11-22 14:18:51,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fa396a52/f7641758aaeb4c83ae1e78282949d5a5 [2019-11-22 14:18:51,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:18:51,119 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 14:18:51,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:18:51,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:18:51,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:18:51,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:51" (1/1) ... [2019-11-22 14:18:51,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f4bb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:51, skipping insertion in model container [2019-11-22 14:18:51,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:51" (1/1) ... [2019-11-22 14:18:51,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:18:51,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:18:51,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:18:51,763 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-22 14:18:51,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@160273cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:51, skipping insertion in model container [2019-11-22 14:18:51,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 14:18:51,765 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-22 14:18:51,769 INFO L168 Benchmark]: Toolchain (without parser) took 647.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-22 14:18:51,771 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:18:51,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-22 14:18:51,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 644.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.1.24-3d056a1 [2019-11-22 14:18:53,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:18:53,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:18:53,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:18:53,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:18:53,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:18:53,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:18:53,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:18:53,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:18:53,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:18:53,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:18:53,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:18:53,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:18:53,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:18:53,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:18:53,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:18:53,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:18:53,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:18:53,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:18:53,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:18:53,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:18:53,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:18:53,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:18:53,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:18:53,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:18:53,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:18:53,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:18:53,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:18:53,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:18:53,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:18:53,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:18:53,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:18:53,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:18:53,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:18:53,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:18:53,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:18:53,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:18:53,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:18:53,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:18:53,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:18:53,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:18:53,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 14:18:53,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:18:53,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:18:53,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:18:53,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:18:53,801 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:18:53,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:18:53,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:18:53,802 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 14:18:53,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 14:18:53,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:18:53,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:18:53,803 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 14:18:53,803 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 14:18:53,803 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 14:18:53,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:18:53,804 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:18:53,804 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 14:18:53,804 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 14:18:53,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:18:53,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:18:53,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:18:53,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:18:53,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:18:53,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:18:53,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:18:53,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:18:53,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:18:53,807 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 14:18:53,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 14:18:53,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 14:18:53,808 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 -> 8e9fad8e4cf3911fa9881577a543d060495d5513 [2019-11-22 14:18:54,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:18:54,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:18:54,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:18:54,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:18:54,179 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:18:54,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-22 14:18:54,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f0672d8/93d421a63fc8402ebf1917a0b9fc1261/FLAG5fd138591 [2019-11-22 14:18:54,913 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:18:54,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-22 14:18:54,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f0672d8/93d421a63fc8402ebf1917a0b9fc1261/FLAG5fd138591 [2019-11-22 14:18:55,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f0672d8/93d421a63fc8402ebf1917a0b9fc1261 [2019-11-22 14:18:55,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:18:55,123 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 14:18:55,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:18:55,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:18:55,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:18:55,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:55" (1/1) ... [2019-11-22 14:18:55,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d85277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:55, skipping insertion in model container [2019-11-22 14:18:55,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:55" (1/1) ... [2019-11-22 14:18:55,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:18:55,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:18:55,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:18:55,780 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 14:18:55,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:18:55,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:18:55,874 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 14:18:55,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:18:56,030 INFO L208 MainTranslator]: Completed translation [2019-11-22 14:18:56,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56 WrapperNode [2019-11-22 14:18:56,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 14:18:56,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 14:18:56,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 14:18:56,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 14:18:56,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (1/1) ... [2019-11-22 14:18:56,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (1/1) ... [2019-11-22 14:18:56,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (1/1) ... [2019-11-22 14:18:56,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (1/1) ... [2019-11-22 14:18:56,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (1/1) ... [2019-11-22 14:18:56,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (1/1) ... [2019-11-22 14:18:56,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (1/1) ... [2019-11-22 14:18:56,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 14:18:56,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 14:18:56,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 14:18:56,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 14:18:56,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (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 [2019-11-22 14:18:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 14:18:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 14:18:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 14:18:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 14:18:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 14:18:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 14:18:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 14:18:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 14:18:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 14:18:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 14:18:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 14:18:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 14:18:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 14:18:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 14:18:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 14:18:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 14:18:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 14:18:56,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 14:18:56,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 14:18:56,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 14:18:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 14:18:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 14:18:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 14:18:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 14:18:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 14:18:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 14:18:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 14:18:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 14:18:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 14:18:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 14:18:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 14:18:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 14:18:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 14:18:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 14:18:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 14:18:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 14:18:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 14:18:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 14:18:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 14:18:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 14:18:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 14:18:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 14:18:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_get [2019-11-22 14:18:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_put [2019-11-22 14:18:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 14:18:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 14:18:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 14:18:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 14:18:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 14:18:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 14:18:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 14:18:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 14:18:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 14:18:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 14:18:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 14:18:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 14:18:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 14:18:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 14:18:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 14:18:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 14:18:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 14:18:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 14:18:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 14:18:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 14:18:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 14:18:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 14:18:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 14:18:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 14:18:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 14:18:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 14:18:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 14:18:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 14:18:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 14:18:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 14:18:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 14:18:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 14:18:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 14:18:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 14:18:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 14:18:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 14:18:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 14:18:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 14:18:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 14:18:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 14:18:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 14:18:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 14:18:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 14:18:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 14:18:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 14:18:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 14:18:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 14:18:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 14:18:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 14:18:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 14:18:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 14:18:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 14:18:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 14:18:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 14:18:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 14:18:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 14:18:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 14:18:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 14:18:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 14:18:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 14:18:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 14:18:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 14:18:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 14:18:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 14:18:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 14:18:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 14:18:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 14:18:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 14:18:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 14:18:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 14:18:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 14:18:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 14:18:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 14:18:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 14:18:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 14:18:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 14:18:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 14:18:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 14:18:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 14:18:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 14:18:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 14:18:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 14:18:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 14:18:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 14:18:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 14:18:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 14:18:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 14:18:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 14:18:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 14:18:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 14:18:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 14:18:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 14:18:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 14:18:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 14:18:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 14:18:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 14:18:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 14:18:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 14:18:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 14:18:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 14:18:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 14:18:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 14:18:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 14:18:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 14:18:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 14:18:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 14:18:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 14:18:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 14:18:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 14:18:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 14:18:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 14:18:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 14:18:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 14:18:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 14:18:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 14:18:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 14:18:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 14:18:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 14:18:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 14:18:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 14:18:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 14:18:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 14:18:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 14:18:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 14:18:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 14:18:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 14:18:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 14:18:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 14:18:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 14:18:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 14:18:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 14:18:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 14:18:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 14:18:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 14:18:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 14:18:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 14:18:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 14:18:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 14:18:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 14:18:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 14:18:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 14:18:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 14:18:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 14:18:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 14:18:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 14:18:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 14:18:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 14:18:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 14:18:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 14:18:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 14:18:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 14:18:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 14:18:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 14:18:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 14:18:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 14:18:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 14:18:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 14:18:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 14:18:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 14:18:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 14:18:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_get [2019-11-22 14:18:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_put [2019-11-22 14:18:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 14:18:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 14:18:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 14:18:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 14:18:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 14:18:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 14:18:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 14:18:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 14:18:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 14:18:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 14:18:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 14:18:56,937 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 14:18:57,386 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 14:18:57,779 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 14:18:57,780 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 14:18:57,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:18:57 BoogieIcfgContainer [2019-11-22 14:18:57,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 14:18:57,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 14:18:57,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 14:18:57,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 14:18:57,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:18:55" (1/3) ... [2019-11-22 14:18:57,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf228c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:18:57, skipping insertion in model container [2019-11-22 14:18:57,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:56" (2/3) ... [2019-11-22 14:18:57,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf228c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:18:57, skipping insertion in model container [2019-11-22 14:18:57,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:18:57" (3/3) ... [2019-11-22 14:18:57,794 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2019-11-22 14:18:57,804 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 14:18:57,811 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-22 14:18:57,822 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-22 14:18:57,842 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 14:18:57,842 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 14:18:57,843 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 14:18:57,843 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 14:18:57,843 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 14:18:57,843 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 14:18:57,843 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 14:18:57,843 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 14:18:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2019-11-22 14:18:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 14:18:57,875 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:18:57,876 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:18:57,877 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:18:57,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:18:57,883 INFO L82 PathProgramCache]: Analyzing trace with hash -604206848, now seen corresponding path program 1 times [2019-11-22 14:18:57,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:18:57,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [980543796] [2019-11-22 14:18:57,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:18:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:18:58,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:18:58,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:18:58,325 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:18:58,325 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:58,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:18:58,336 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:58,336 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:18:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:18:58,363 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:18:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:18:58,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [980543796] [2019-11-22 14:18:58,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:18:58,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 14:18:58,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370063649] [2019-11-22 14:18:58,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:18:58,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:18:58,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:18:58,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:18:58,475 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 5 states. [2019-11-22 14:18:58,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:18:58,851 INFO L93 Difference]: Finished difference Result 160 states and 171 transitions. [2019-11-22 14:18:58,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:18:58,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 14:18:58,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:18:58,885 INFO L225 Difference]: With dead ends: 160 [2019-11-22 14:18:58,885 INFO L226 Difference]: Without dead ends: 157 [2019-11-22 14:18:58,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:18:58,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-22 14:18:58,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2019-11-22 14:18:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-22 14:18:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 162 transitions. [2019-11-22 14:18:58,962 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 162 transitions. Word has length 17 [2019-11-22 14:18:58,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:18:58,963 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 162 transitions. [2019-11-22 14:18:58,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:18:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2019-11-22 14:18:58,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 14:18:58,965 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:18:58,965 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:18:59,169 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:18:59,174 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:18:59,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:18:59,175 INFO L82 PathProgramCache]: Analyzing trace with hash -604206847, now seen corresponding path program 1 times [2019-11-22 14:18:59,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:18:59,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2086132720] [2019-11-22 14:18:59,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:18:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:18:59,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 14:18:59,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:18:59,497 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:18:59,498 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:59,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:18:59,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:59,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:18:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:18:59,554 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:18:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:18:59,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2086132720] [2019-11-22 14:18:59,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:18:59,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-22 14:18:59,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260584849] [2019-11-22 14:18:59,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 14:18:59,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:18:59,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 14:18:59,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-22 14:18:59,914 INFO L87 Difference]: Start difference. First operand 151 states and 162 transitions. Second operand 10 states. [2019-11-22 14:19:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:00,701 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2019-11-22 14:19:00,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 14:19:00,703 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-22 14:19:00,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:00,705 INFO L225 Difference]: With dead ends: 156 [2019-11-22 14:19:00,705 INFO L226 Difference]: Without dead ends: 156 [2019-11-22 14:19:00,706 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-22 14:19:00,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-22 14:19:00,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2019-11-22 14:19:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-22 14:19:00,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2019-11-22 14:19:00,720 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 17 [2019-11-22 14:19:00,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:00,720 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2019-11-22 14:19:00,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 14:19:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2019-11-22 14:19:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 14:19:00,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:00,722 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:00,925 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:00,927 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:00,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:00,927 INFO L82 PathProgramCache]: Analyzing trace with hash -575577697, now seen corresponding path program 1 times [2019-11-22 14:19:00,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:00,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [187848858] [2019-11-22 14:19:00,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:01,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 14:19:01,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:01,200 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:01,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [187848858] [2019-11-22 14:19:01,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:01,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 14:19:01,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460037806] [2019-11-22 14:19:01,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:19:01,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:01,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:19:01,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:19:01,241 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand 5 states. [2019-11-22 14:19:01,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:01,285 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2019-11-22 14:19:01,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:19:01,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 14:19:01,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:01,289 INFO L225 Difference]: With dead ends: 150 [2019-11-22 14:19:01,290 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 14:19:01,290 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:19:01,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 14:19:01,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-22 14:19:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 14:19:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2019-11-22 14:19:01,309 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 17 [2019-11-22 14:19:01,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:01,309 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2019-11-22 14:19:01,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:19:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2019-11-22 14:19:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 14:19:01,311 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:01,311 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:01,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:01,514 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:01,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:01,515 INFO L82 PathProgramCache]: Analyzing trace with hash 300911328, now seen corresponding path program 1 times [2019-11-22 14:19:01,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:01,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1722344114] [2019-11-22 14:19:01,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:01,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:19:01,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:01,798 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:01,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1722344114] [2019-11-22 14:19:01,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:01,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 14:19:01,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97834949] [2019-11-22 14:19:01,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:19:01,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:01,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:19:01,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:19:01,893 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand 5 states. [2019-11-22 14:19:01,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:01,922 INFO L93 Difference]: Finished difference Result 150 states and 157 transitions. [2019-11-22 14:19:01,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:19:01,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-22 14:19:01,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:01,926 INFO L225 Difference]: With dead ends: 150 [2019-11-22 14:19:01,927 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 14:19:01,930 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:19:01,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 14:19:01,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-22 14:19:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 14:19:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 155 transitions. [2019-11-22 14:19:01,952 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 155 transitions. Word has length 29 [2019-11-22 14:19:01,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:01,952 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 155 transitions. [2019-11-22 14:19:01,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:19:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 155 transitions. [2019-11-22 14:19:01,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 14:19:01,956 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:01,956 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:02,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:02,158 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:02,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:02,158 INFO L82 PathProgramCache]: Analyzing trace with hash -696161025, now seen corresponding path program 1 times [2019-11-22 14:19:02,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:02,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2143064538] [2019-11-22 14:19:02,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:02,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 14:19:02,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:02,572 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:02,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2143064538] [2019-11-22 14:19:02,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:02,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2019-11-22 14:19:02,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783333943] [2019-11-22 14:19:02,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 14:19:02,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:02,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 14:19:02,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-22 14:19:02,641 INFO L87 Difference]: Start difference. First operand 148 states and 155 transitions. Second operand 9 states. [2019-11-22 14:19:02,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:02,767 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2019-11-22 14:19:02,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 14:19:02,768 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-11-22 14:19:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:02,770 INFO L225 Difference]: With dead ends: 168 [2019-11-22 14:19:02,773 INFO L226 Difference]: Without dead ends: 168 [2019-11-22 14:19:02,774 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-22 14:19:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-22 14:19:02,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2019-11-22 14:19:02,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-11-22 14:19:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2019-11-22 14:19:02,800 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 29 [2019-11-22 14:19:02,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:02,800 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2019-11-22 14:19:02,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 14:19:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2019-11-22 14:19:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-22 14:19:02,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:02,805 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:03,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:03,006 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:03,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:03,007 INFO L82 PathProgramCache]: Analyzing trace with hash 536113147, now seen corresponding path program 1 times [2019-11-22 14:19:03,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:03,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1295817510] [2019-11-22 14:19:03,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:03,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-22 14:19:03,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:03,330 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:03,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1295817510] [2019-11-22 14:19:03,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:03,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-22 14:19:03,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375837861] [2019-11-22 14:19:03,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 14:19:03,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:03,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 14:19:03,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-22 14:19:03,387 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 6 states. [2019-11-22 14:19:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:03,429 INFO L93 Difference]: Finished difference Result 168 states and 175 transitions. [2019-11-22 14:19:03,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 14:19:03,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-22 14:19:03,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:03,433 INFO L225 Difference]: With dead ends: 168 [2019-11-22 14:19:03,433 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 14:19:03,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-22 14:19:03,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 14:19:03,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-11-22 14:19:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-22 14:19:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 171 transitions. [2019-11-22 14:19:03,446 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 171 transitions. Word has length 32 [2019-11-22 14:19:03,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:03,447 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 171 transitions. [2019-11-22 14:19:03,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 14:19:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 171 transitions. [2019-11-22 14:19:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-22 14:19:03,452 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:03,453 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:03,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:03,657 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:03,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:03,658 INFO L82 PathProgramCache]: Analyzing trace with hash 690495131, now seen corresponding path program 1 times [2019-11-22 14:19:03,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:03,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1423317403] [2019-11-22 14:19:03,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:03,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:19:03,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:03,998 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:04,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1423317403] [2019-11-22 14:19:04,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:19:04,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-22 14:19:04,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591598710] [2019-11-22 14:19:04,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 14:19:04,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:04,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 14:19:04,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-22 14:19:04,130 INFO L87 Difference]: Start difference. First operand 164 states and 171 transitions. Second operand 10 states. [2019-11-22 14:19:04,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:04,353 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2019-11-22 14:19:04,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 14:19:04,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-11-22 14:19:04,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:04,356 INFO L225 Difference]: With dead ends: 172 [2019-11-22 14:19:04,356 INFO L226 Difference]: Without dead ends: 168 [2019-11-22 14:19:04,356 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:19:04,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-22 14:19:04,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2019-11-22 14:19:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-22 14:19:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 175 transitions. [2019-11-22 14:19:04,365 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 175 transitions. Word has length 34 [2019-11-22 14:19:04,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:04,365 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 175 transitions. [2019-11-22 14:19:04,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 14:19:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 175 transitions. [2019-11-22 14:19:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 14:19:04,367 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:04,367 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:04,571 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:04,572 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:04,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:04,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2002385957, now seen corresponding path program 2 times [2019-11-22 14:19:04,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:04,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1854057445] [2019-11-22 14:19:04,575 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:04,883 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 14:19:04,883 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 14:19:04,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 14:19:04,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:04,893 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:04,893 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:04,895 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:04,896 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:04,896 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:19:05,090 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-22 14:19:05,091 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-22 14:19:05,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1854057445] [2019-11-22 14:19:05,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:05,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 14:19:05,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908697865] [2019-11-22 14:19:05,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 14:19:05,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:05,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 14:19:05,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:19:05,208 INFO L87 Difference]: Start difference. First operand 168 states and 175 transitions. Second operand 13 states. [2019-11-22 14:19:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:06,520 INFO L93 Difference]: Finished difference Result 179 states and 185 transitions. [2019-11-22 14:19:06,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:19:06,521 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-11-22 14:19:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:06,523 INFO L225 Difference]: With dead ends: 179 [2019-11-22 14:19:06,523 INFO L226 Difference]: Without dead ends: 179 [2019-11-22 14:19:06,523 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-22 14:19:06,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-22 14:19:06,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 167. [2019-11-22 14:19:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-22 14:19:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 174 transitions. [2019-11-22 14:19:06,530 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 174 transitions. Word has length 38 [2019-11-22 14:19:06,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:06,530 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 174 transitions. [2019-11-22 14:19:06,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 14:19:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 174 transitions. [2019-11-22 14:19:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 14:19:06,531 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:06,532 INFO L410 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:06,734 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:06,735 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:06,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:06,736 INFO L82 PathProgramCache]: Analyzing trace with hash -2002385956, now seen corresponding path program 1 times [2019-11-22 14:19:06,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:06,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1299432937] [2019-11-22 14:19:06,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:07,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 14:19:07,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:07,135 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:07,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1299432937] [2019-11-22 14:19:07,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:19:07,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-22 14:19:07,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314984265] [2019-11-22 14:19:07,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 14:19:07,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:07,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 14:19:07,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2019-11-22 14:19:07,499 INFO L87 Difference]: Start difference. First operand 167 states and 174 transitions. Second operand 18 states. [2019-11-22 14:19:08,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:08,422 INFO L93 Difference]: Finished difference Result 179 states and 192 transitions. [2019-11-22 14:19:08,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 14:19:08,423 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2019-11-22 14:19:08,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:08,425 INFO L225 Difference]: With dead ends: 179 [2019-11-22 14:19:08,425 INFO L226 Difference]: Without dead ends: 175 [2019-11-22 14:19:08,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600 [2019-11-22 14:19:08,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-22 14:19:08,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-11-22 14:19:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-22 14:19:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 182 transitions. [2019-11-22 14:19:08,431 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 182 transitions. Word has length 38 [2019-11-22 14:19:08,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:08,432 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 182 transitions. [2019-11-22 14:19:08,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 14:19:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 182 transitions. [2019-11-22 14:19:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-22 14:19:08,433 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:08,433 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:08,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:08,639 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:08,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:08,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1347385061, now seen corresponding path program 1 times [2019-11-22 14:19:08,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:08,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1136768400] [2019-11-22 14:19:08,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:08,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 14:19:08,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:09,017 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:09,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1136768400] [2019-11-22 14:19:09,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:09,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-22 14:19:09,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135713847] [2019-11-22 14:19:09,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 14:19:09,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:09,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 14:19:09,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-22 14:19:09,073 INFO L87 Difference]: Start difference. First operand 175 states and 182 transitions. Second operand 7 states. [2019-11-22 14:19:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:09,121 INFO L93 Difference]: Finished difference Result 184 states and 191 transitions. [2019-11-22 14:19:09,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 14:19:09,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2019-11-22 14:19:09,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:09,126 INFO L225 Difference]: With dead ends: 184 [2019-11-22 14:19:09,126 INFO L226 Difference]: Without dead ends: 184 [2019-11-22 14:19:09,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 14:19:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-22 14:19:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2019-11-22 14:19:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-22 14:19:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 187 transitions. [2019-11-22 14:19:09,138 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 187 transitions. Word has length 40 [2019-11-22 14:19:09,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:09,139 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 187 transitions. [2019-11-22 14:19:09,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 14:19:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 187 transitions. [2019-11-22 14:19:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 14:19:09,142 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:09,142 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:09,345 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:09,346 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:09,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:09,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1156201438, now seen corresponding path program 1 times [2019-11-22 14:19:09,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:09,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1726214199] [2019-11-22 14:19:09,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:09,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 14:19:09,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:09,597 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:09,748 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1726214199] [2019-11-22 14:19:09,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:09,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 14:19:09,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42147983] [2019-11-22 14:19:09,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 14:19:09,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:09,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 14:19:09,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 14:19:09,750 INFO L87 Difference]: Start difference. First operand 180 states and 187 transitions. Second operand 3 states. [2019-11-22 14:19:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:09,951 INFO L93 Difference]: Finished difference Result 191 states and 197 transitions. [2019-11-22 14:19:09,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 14:19:09,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-11-22 14:19:09,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:09,955 INFO L225 Difference]: With dead ends: 191 [2019-11-22 14:19:09,955 INFO L226 Difference]: Without dead ends: 165 [2019-11-22 14:19:09,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 14:19:09,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-22 14:19:09,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 157. [2019-11-22 14:19:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-22 14:19:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 163 transitions. [2019-11-22 14:19:09,961 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 163 transitions. Word has length 38 [2019-11-22 14:19:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:09,962 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 163 transitions. [2019-11-22 14:19:09,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 14:19:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 163 transitions. [2019-11-22 14:19:09,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-22 14:19:09,963 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:09,963 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:10,166 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:10,167 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:10,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:10,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1528032860, now seen corresponding path program 2 times [2019-11-22 14:19:10,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:10,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1358682166] [2019-11-22 14:19:10,169 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:10,484 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 14:19:10,484 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 14:19:10,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 14:19:10,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:10,504 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:10,504 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:10,510 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:10,511 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:10,511 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:19:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-22 14:19:10,758 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-22 14:19:11,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1358682166] [2019-11-22 14:19:11,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:11,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 14:19:11,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770051958] [2019-11-22 14:19:11,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 14:19:11,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:11,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 14:19:11,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 14:19:11,584 INFO L87 Difference]: Start difference. First operand 157 states and 163 transitions. Second operand 23 states. [2019-11-22 14:19:14,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:14,499 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2019-11-22 14:19:14,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:19:14,500 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2019-11-22 14:19:14,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:14,501 INFO L225 Difference]: With dead ends: 156 [2019-11-22 14:19:14,502 INFO L226 Difference]: Without dead ends: 156 [2019-11-22 14:19:14,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-22 14:19:14,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-22 14:19:14,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-11-22 14:19:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-22 14:19:14,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2019-11-22 14:19:14,507 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 46 [2019-11-22 14:19:14,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:14,508 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2019-11-22 14:19:14,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 14:19:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2019-11-22 14:19:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-22 14:19:14,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:14,509 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:14,717 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:14,717 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:14,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:14,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1472640772, now seen corresponding path program 1 times [2019-11-22 14:19:14,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:14,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1784377315] [2019-11-22 14:19:14,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:15,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-22 14:19:15,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:15,309 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:15,429 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-22 14:19:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:19:16,267 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1784377315] [2019-11-22 14:19:16,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:19:16,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2019-11-22 14:19:16,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869966599] [2019-11-22 14:19:16,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-22 14:19:16,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:16,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-22 14:19:16,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-11-22 14:19:16,270 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand 34 states. [2019-11-22 14:19:17,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:17,073 INFO L93 Difference]: Finished difference Result 162 states and 168 transitions. [2019-11-22 14:19:17,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 14:19:17,073 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 51 [2019-11-22 14:19:17,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:17,075 INFO L225 Difference]: With dead ends: 162 [2019-11-22 14:19:17,075 INFO L226 Difference]: Without dead ends: 158 [2019-11-22 14:19:17,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 14:19:17,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-22 14:19:17,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2019-11-22 14:19:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-22 14:19:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 164 transitions. [2019-11-22 14:19:17,081 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 164 transitions. Word has length 51 [2019-11-22 14:19:17,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:17,081 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 164 transitions. [2019-11-22 14:19:17,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-22 14:19:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 164 transitions. [2019-11-22 14:19:17,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 14:19:17,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:17,082 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:17,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:17,286 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:17,287 INFO L82 PathProgramCache]: Analyzing trace with hash 680412260, now seen corresponding path program 2 times [2019-11-22 14:19:17,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:17,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [962836643] [2019-11-22 14:19:17,299 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:17,606 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 14:19:17,606 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 14:19:17,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 14:19:17,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:17,617 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:17,617 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:17,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:17,620 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:17,620 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:19:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:17,773 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:17,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [962836643] [2019-11-22 14:19:17,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:17,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 14:19:17,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676877211] [2019-11-22 14:19:17,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 14:19:17,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:17,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 14:19:17,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:19:17,875 INFO L87 Difference]: Start difference. First operand 158 states and 164 transitions. Second operand 13 states. [2019-11-22 14:19:19,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:19,034 INFO L93 Difference]: Finished difference Result 168 states and 173 transitions. [2019-11-22 14:19:19,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:19:19,034 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2019-11-22 14:19:19,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:19,035 INFO L225 Difference]: With dead ends: 168 [2019-11-22 14:19:19,036 INFO L226 Difference]: Without dead ends: 168 [2019-11-22 14:19:19,036 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-22 14:19:19,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-22 14:19:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 156. [2019-11-22 14:19:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-22 14:19:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2019-11-22 14:19:19,042 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 53 [2019-11-22 14:19:19,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:19,042 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2019-11-22 14:19:19,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 14:19:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2019-11-22 14:19:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 14:19:19,043 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:19,044 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:19,246 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:19,247 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:19,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:19,248 INFO L82 PathProgramCache]: Analyzing trace with hash 680412261, now seen corresponding path program 1 times [2019-11-22 14:19:19,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:19,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1600341953] [2019-11-22 14:19:19,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:19,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 14:19:19,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:19,755 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:19,755 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:19,765 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:19,765 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:19,766 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:19:20,021 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:20,021 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:20,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1600341953] [2019-11-22 14:19:20,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:20,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 14:19:20,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661247811] [2019-11-22 14:19:20,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 14:19:20,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:20,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 14:19:20,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 14:19:20,855 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand 23 states. [2019-11-22 14:19:23,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:23,915 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2019-11-22 14:19:23,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:19:23,916 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2019-11-22 14:19:23,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:23,917 INFO L225 Difference]: With dead ends: 154 [2019-11-22 14:19:23,917 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 14:19:23,918 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-22 14:19:23,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 14:19:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 14:19:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 14:19:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2019-11-22 14:19:23,923 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 53 [2019-11-22 14:19:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:23,924 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2019-11-22 14:19:23,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 14:19:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2019-11-22 14:19:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-22 14:19:23,925 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:23,925 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:24,130 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:24,131 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:24,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:24,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2141011139, now seen corresponding path program 1 times [2019-11-22 14:19:24,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:24,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2003471624] [2019-11-22 14:19:24,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:24,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 14:19:24,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:24,471 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:24,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2003471624] [2019-11-22 14:19:24,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:24,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-22 14:19:24,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226004022] [2019-11-22 14:19:24,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 14:19:24,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:24,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 14:19:24,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 14:19:24,599 INFO L87 Difference]: Start difference. First operand 154 states and 160 transitions. Second operand 8 states. [2019-11-22 14:19:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:24,644 INFO L93 Difference]: Finished difference Result 156 states and 161 transitions. [2019-11-22 14:19:24,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 14:19:24,645 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-22 14:19:24,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:24,646 INFO L225 Difference]: With dead ends: 156 [2019-11-22 14:19:24,646 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 14:19:24,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-22 14:19:24,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 14:19:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 14:19:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 14:19:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2019-11-22 14:19:24,652 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 58 [2019-11-22 14:19:24,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:24,653 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2019-11-22 14:19:24,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 14:19:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2019-11-22 14:19:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-22 14:19:24,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:24,654 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:24,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:24,857 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:24,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:24,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1283825080, now seen corresponding path program 1 times [2019-11-22 14:19:24,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:24,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [658234018] [2019-11-22 14:19:24,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:25,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 14:19:25,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:25,233 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:25,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:19:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:25,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [658234018] [2019-11-22 14:19:25,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:25,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2019-11-22 14:19:25,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011282667] [2019-11-22 14:19:25,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 14:19:25,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:25,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 14:19:25,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-22 14:19:25,489 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 11 states. [2019-11-22 14:19:25,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:25,615 INFO L93 Difference]: Finished difference Result 158 states and 162 transitions. [2019-11-22 14:19:25,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 14:19:25,616 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2019-11-22 14:19:25,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:25,617 INFO L225 Difference]: With dead ends: 158 [2019-11-22 14:19:25,617 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 14:19:25,618 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:19:25,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 14:19:25,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 14:19:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 14:19:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2019-11-22 14:19:25,624 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 63 [2019-11-22 14:19:25,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:25,624 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2019-11-22 14:19:25,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 14:19:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2019-11-22 14:19:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-22 14:19:25,626 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:25,627 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:25,830 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:25,831 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:25,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:25,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1405000591, now seen corresponding path program 1 times [2019-11-22 14:19:25,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:25,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [970428870] [2019-11-22 14:19:25,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:26,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 14:19:26,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:26,318 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:26,318 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:26,319 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:26,319 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:26,320 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:19:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:26,659 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:27,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [970428870] [2019-11-22 14:19:27,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:27,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 14] imperfect sequences [] total 19 [2019-11-22 14:19:27,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110173937] [2019-11-22 14:19:27,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-22 14:19:27,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:27,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-22 14:19:27,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2019-11-22 14:19:27,079 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 20 states. [2019-11-22 14:19:29,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:29,284 INFO L93 Difference]: Finished difference Result 164 states and 167 transitions. [2019-11-22 14:19:29,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 14:19:29,285 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 74 [2019-11-22 14:19:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:29,286 INFO L225 Difference]: With dead ends: 164 [2019-11-22 14:19:29,286 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 14:19:29,286 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2019-11-22 14:19:29,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 14:19:29,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2019-11-22 14:19:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-22 14:19:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2019-11-22 14:19:29,291 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 74 [2019-11-22 14:19:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:29,292 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2019-11-22 14:19:29,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-22 14:19:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2019-11-22 14:19:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-22 14:19:29,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:29,293 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:29,498 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:29,498 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:29,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:29,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1405000592, now seen corresponding path program 1 times [2019-11-22 14:19:29,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:29,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1741849930] [2019-11-22 14:19:29,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:30,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-22 14:19:30,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:30,052 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:30,053 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:30,059 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:30,060 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:30,060 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:19:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:30,547 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:32,576 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1741849930] [2019-11-22 14:19:32,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:32,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 16] imperfect sequences [] total 34 [2019-11-22 14:19:32,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099447597] [2019-11-22 14:19:32,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-22 14:19:32,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:32,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-22 14:19:32,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1093, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 14:19:32,578 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 35 states. [2019-11-22 14:19:37,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:37,560 INFO L93 Difference]: Finished difference Result 150 states and 154 transitions. [2019-11-22 14:19:37,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 14:19:37,561 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 74 [2019-11-22 14:19:37,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:37,562 INFO L225 Difference]: With dead ends: 150 [2019-11-22 14:19:37,562 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 14:19:37,563 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=138, Invalid=1502, Unknown=0, NotChecked=0, Total=1640 [2019-11-22 14:19:37,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 14:19:37,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 14:19:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 14:19:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-22 14:19:37,568 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 74 [2019-11-22 14:19:37,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:37,568 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-22 14:19:37,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-22 14:19:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-22 14:19:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-22 14:19:37,570 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:37,570 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:37,775 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:37,777 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:37,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:37,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1519816277, now seen corresponding path program 1 times [2019-11-22 14:19:37,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:37,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1086760274] [2019-11-22 14:19:37,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:38,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-22 14:19:38,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:38,233 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:38,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:19:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:38,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1086760274] [2019-11-22 14:19:38,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:38,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 14 [2019-11-22 14:19:38,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283488379] [2019-11-22 14:19:38,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-22 14:19:38,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:38,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-22 14:19:38,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-11-22 14:19:38,475 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 14 states. [2019-11-22 14:19:38,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:38,618 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2019-11-22 14:19:38,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-22 14:19:38,619 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 85 [2019-11-22 14:19:38,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:38,620 INFO L225 Difference]: With dead ends: 156 [2019-11-22 14:19:38,620 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 14:19:38,621 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2019-11-22 14:19:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 14:19:38,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 14:19:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 14:19:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 153 transitions. [2019-11-22 14:19:38,626 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 153 transitions. Word has length 85 [2019-11-22 14:19:38,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:38,626 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 153 transitions. [2019-11-22 14:19:38,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-22 14:19:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 153 transitions. [2019-11-22 14:19:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-22 14:19:38,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:38,628 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:38,832 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:38,833 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:38,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:38,834 INFO L82 PathProgramCache]: Analyzing trace with hash 2050797402, now seen corresponding path program 1 times [2019-11-22 14:19:38,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:38,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [145939363] [2019-11-22 14:19:38,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:39,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-22 14:19:39,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:39,380 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:39,380 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:39,382 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:39,383 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:39,383 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:19:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:39,867 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:40,308 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [145939363] [2019-11-22 14:19:40,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:40,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 14] imperfect sequences [] total 19 [2019-11-22 14:19:40,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488155580] [2019-11-22 14:19:40,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-22 14:19:40,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:40,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-22 14:19:40,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2019-11-22 14:19:40,311 INFO L87 Difference]: Start difference. First operand 150 states and 153 transitions. Second operand 20 states. [2019-11-22 14:19:42,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:42,338 INFO L93 Difference]: Finished difference Result 164 states and 166 transitions. [2019-11-22 14:19:42,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 14:19:42,339 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 98 [2019-11-22 14:19:42,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:42,340 INFO L225 Difference]: With dead ends: 164 [2019-11-22 14:19:42,341 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 14:19:42,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 171 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2019-11-22 14:19:42,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 14:19:42,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 148. [2019-11-22 14:19:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 14:19:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 151 transitions. [2019-11-22 14:19:42,347 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 151 transitions. Word has length 98 [2019-11-22 14:19:42,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:42,348 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 151 transitions. [2019-11-22 14:19:42,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-22 14:19:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 151 transitions. [2019-11-22 14:19:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-22 14:19:42,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:42,350 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:42,550 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:42,550 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:42,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:42,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2050797403, now seen corresponding path program 1 times [2019-11-22 14:19:42,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:42,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1971729951] [2019-11-22 14:19:42,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:43,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-22 14:19:43,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:43,230 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:43,231 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:43,237 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:43,237 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:43,237 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:19:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:43,768 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:45,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1971729951] [2019-11-22 14:19:45,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:45,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 16] imperfect sequences [] total 34 [2019-11-22 14:19:45,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874151108] [2019-11-22 14:19:45,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-22 14:19:45,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:45,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-22 14:19:45,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1093, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 14:19:45,803 INFO L87 Difference]: Start difference. First operand 148 states and 151 transitions. Second operand 35 states. [2019-11-22 14:19:50,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:50,530 INFO L93 Difference]: Finished difference Result 146 states and 149 transitions. [2019-11-22 14:19:50,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 14:19:50,532 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 98 [2019-11-22 14:19:50,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:50,534 INFO L225 Difference]: With dead ends: 146 [2019-11-22 14:19:50,534 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 14:19:50,535 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 156 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=138, Invalid=1502, Unknown=0, NotChecked=0, Total=1640 [2019-11-22 14:19:50,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 14:19:50,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 14:19:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 14:19:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 149 transitions. [2019-11-22 14:19:50,538 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 149 transitions. Word has length 98 [2019-11-22 14:19:50,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:50,539 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 149 transitions. [2019-11-22 14:19:50,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-22 14:19:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 149 transitions. [2019-11-22 14:19:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-22 14:19:50,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:50,540 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:50,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:50,745 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:50,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:50,746 INFO L82 PathProgramCache]: Analyzing trace with hash -797927977, now seen corresponding path program 1 times [2019-11-22 14:19:50,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:50,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1238322690] [2019-11-22 14:19:50,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:51,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 14:19:51,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:51,174 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:51,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1238322690] [2019-11-22 14:19:51,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:51,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-22 14:19:51,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669823833] [2019-11-22 14:19:51,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 14:19:51,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:51,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 14:19:51,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-22 14:19:51,467 INFO L87 Difference]: Start difference. First operand 146 states and 149 transitions. Second operand 11 states. [2019-11-22 14:19:51,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:51,582 INFO L93 Difference]: Finished difference Result 148 states and 150 transitions. [2019-11-22 14:19:51,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 14:19:51,590 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2019-11-22 14:19:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:51,592 INFO L225 Difference]: With dead ends: 148 [2019-11-22 14:19:51,592 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 14:19:51,592 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:19:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 14:19:51,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 14:19:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 14:19:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 148 transitions. [2019-11-22 14:19:51,596 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 148 transitions. Word has length 96 [2019-11-22 14:19:51,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:51,596 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 148 transitions. [2019-11-22 14:19:51,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 14:19:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2019-11-22 14:19:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-22 14:19:51,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:51,597 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:51,798 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:51,798 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:51,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:51,799 INFO L82 PathProgramCache]: Analyzing trace with hash 693754465, now seen corresponding path program 1 times [2019-11-22 14:19:51,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:51,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1990525426] [2019-11-22 14:19:51,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:52,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-22 14:19:52,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:52,372 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:52,372 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:52,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:52,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:52,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:19:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:53,188 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:19:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:53,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1990525426] [2019-11-22 14:19:53,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:19:53,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 18] imperfect sequences [] total 23 [2019-11-22 14:19:53,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210451016] [2019-11-22 14:19:53,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-22 14:19:53,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:19:53,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-22 14:19:53,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2019-11-22 14:19:53,698 INFO L87 Difference]: Start difference. First operand 146 states and 148 transitions. Second operand 24 states. [2019-11-22 14:19:55,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:19:55,873 INFO L93 Difference]: Finished difference Result 156 states and 157 transitions. [2019-11-22 14:19:55,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-22 14:19:55,874 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 111 [2019-11-22 14:19:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:19:55,875 INFO L225 Difference]: With dead ends: 156 [2019-11-22 14:19:55,875 INFO L226 Difference]: Without dead ends: 156 [2019-11-22 14:19:55,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 189 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2019-11-22 14:19:55,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-22 14:19:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 144. [2019-11-22 14:19:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 14:19:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2019-11-22 14:19:55,881 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 111 [2019-11-22 14:19:55,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:19:55,881 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2019-11-22 14:19:55,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-22 14:19:55,881 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2019-11-22 14:19:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-22 14:19:55,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:19:55,883 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:19:56,089 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:56,089 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:19:56,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:19:56,089 INFO L82 PathProgramCache]: Analyzing trace with hash 693754466, now seen corresponding path program 1 times [2019-11-22 14:19:56,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:19:56,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1185891452] [2019-11-22 14:19:56,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:19:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:19:56,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 52 conjunts are in the unsatisfiable core [2019-11-22 14:19:56,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:19:56,828 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 14:19:56,828 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:19:56,840 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:19:56,840 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:19:56,840 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:19:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:19:57,750 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:20:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:20:00,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1185891452] [2019-11-22 14:20:00,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:20:00,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 20] imperfect sequences [] total 42 [2019-11-22 14:20:00,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712363200] [2019-11-22 14:20:00,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-22 14:20:00,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:20:00,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-22 14:20:00,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1685, Unknown=0, NotChecked=0, Total=1806 [2019-11-22 14:20:00,567 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand 43 states. [2019-11-22 14:20:06,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:20:06,396 INFO L93 Difference]: Finished difference Result 142 states and 144 transitions. [2019-11-22 14:20:06,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-22 14:20:06,397 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 111 [2019-11-22 14:20:06,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:20:06,398 INFO L225 Difference]: With dead ends: 142 [2019-11-22 14:20:06,398 INFO L226 Difference]: Without dead ends: 142 [2019-11-22 14:20:06,400 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 172 SyntacticMatches, 8 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=176, Invalid=2374, Unknown=0, NotChecked=0, Total=2550 [2019-11-22 14:20:06,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-22 14:20:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-22 14:20:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-22 14:20:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 144 transitions. [2019-11-22 14:20:06,402 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 144 transitions. Word has length 111 [2019-11-22 14:20:06,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:20:06,403 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 144 transitions. [2019-11-22 14:20:06,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-22 14:20:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2019-11-22 14:20:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-22 14:20:06,404 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:20:06,404 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:20:06,606 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:20:06,606 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:20:06,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:20:06,607 INFO L82 PathProgramCache]: Analyzing trace with hash 256905644, now seen corresponding path program 1 times [2019-11-22 14:20:06,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:20:06,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [705688570] [2019-11-22 14:20:06,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:20:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:20:07,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-22 14:20:07,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:20:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:20:07,858 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:20:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 14:20:08,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [705688570] [2019-11-22 14:20:08,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:20:08,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20, 19] imperfect sequences [] total 20 [2019-11-22 14:20:08,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033298982] [2019-11-22 14:20:08,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-22 14:20:08,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:20:08,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-22 14:20:08,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2019-11-22 14:20:08,053 INFO L87 Difference]: Start difference. First operand 142 states and 144 transitions. Second operand 21 states. [2019-11-22 14:20:09,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:20:09,725 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2019-11-22 14:20:09,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 14:20:09,726 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 114 [2019-11-22 14:20:09,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:20:09,728 INFO L225 Difference]: With dead ends: 141 [2019-11-22 14:20:09,728 INFO L226 Difference]: Without dead ends: 141 [2019-11-22 14:20:09,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 201 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2019-11-22 14:20:09,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-22 14:20:09,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-11-22 14:20:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-22 14:20:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 143 transitions. [2019-11-22 14:20:09,733 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 143 transitions. Word has length 114 [2019-11-22 14:20:09,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:20:09,734 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 143 transitions. [2019-11-22 14:20:09,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-22 14:20:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 143 transitions. [2019-11-22 14:20:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-22 14:20:09,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:20:09,736 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 14:20:09,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:20:09,940 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 14:20:09,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:20:09,941 INFO L82 PathProgramCache]: Analyzing trace with hash -155348315, now seen corresponding path program 1 times [2019-11-22 14:20:09,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:20:09,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1222354516] [2019-11-22 14:20:09,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 28 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:20:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:20:10,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 139 conjunts are in the unsatisfiable core [2019-11-22 14:20:10,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:20:10,868 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2019-11-22 14:20:10,868 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:10,878 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:20:10,878 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:10,878 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-11-22 14:20:10,938 INFO L343 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2019-11-22 14:20:10,938 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2019-11-22 14:20:10,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:10,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:20:10,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:10,957 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2019-11-22 14:20:11,049 INFO L343 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2019-11-22 14:20:11,049 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 38 [2019-11-22 14:20:11,051 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:11,077 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:20:11,077 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:11,078 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2019-11-22 14:20:11,330 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2019-11-22 14:20:11,330 INFO L343 Elim1Store]: treesize reduction 32, result has 77.5 percent of original size [2019-11-22 14:20:11,331 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 137 [2019-11-22 14:20:11,332 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:11,427 INFO L567 ElimStorePlain]: treesize reduction 84, result has 35.9 percent of original size [2019-11-22 14:20:11,427 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:11,428 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2019-11-22 14:20:48,402 WARN L192 SmtUtils]: Spent 36.90 s on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2019-11-22 14:20:48,403 INFO L343 Elim1Store]: treesize reduction 65, result has 70.7 percent of original size [2019-11-22 14:20:48,403 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 189 [2019-11-22 14:20:48,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:50,535 WARN L192 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2019-11-22 14:20:50,536 INFO L567 ElimStorePlain]: treesize reduction 84, result has 41.3 percent of original size [2019-11-22 14:20:50,536 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:50,536 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-11-22 14:20:50,745 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 28 [2019-11-22 14:20:50,746 INFO L343 Elim1Store]: treesize reduction 246, result has 15.2 percent of original size [2019-11-22 14:20:50,746 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 80 [2019-11-22 14:20:50,747 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:50,783 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:20:50,784 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:50,784 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-11-22 14:20:51,314 WARN L192 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 69 [2019-11-22 14:20:51,315 INFO L343 Elim1Store]: treesize reduction 170, result has 57.2 percent of original size [2019-11-22 14:20:51,315 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 269 [2019-11-22 14:20:51,317 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:53,612 WARN L192 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-22 14:20:53,613 INFO L567 ElimStorePlain]: treesize reduction 174, result has 32.0 percent of original size [2019-11-22 14:20:53,614 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:53,614 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:82 [2019-11-22 14:22:07,786 WARN L192 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 163 DAG size of output: 98 [2019-11-22 14:22:07,787 INFO L343 Elim1Store]: treesize reduction 203, result has 60.7 percent of original size [2019-11-22 14:22:07,787 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 360 [2019-11-22 14:22:07,788 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:10,130 WARN L192 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2019-11-22 14:22:10,131 INFO L567 ElimStorePlain]: treesize reduction 304, result has 23.2 percent of original size [2019-11-22 14:22:10,131 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:10,131 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2019-11-22 14:22:10,566 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 43 [2019-11-22 14:22:10,567 INFO L343 Elim1Store]: treesize reduction 540, result has 11.6 percent of original size [2019-11-22 14:22:10,567 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 102 treesize of output 122 [2019-11-22 14:22:10,568 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:10,662 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:10,663 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:10,663 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:103 [2019-11-22 14:22:11,834 WARN L192 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2019-11-22 14:22:11,835 INFO L343 Elim1Store]: treesize reduction 416, result has 45.3 percent of original size [2019-11-22 14:22:11,836 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 114 treesize of output 401 [2019-11-22 14:22:11,838 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:12,144 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2019-11-22 14:22:12,145 INFO L567 ElimStorePlain]: treesize reduction 264, result has 30.0 percent of original size [2019-11-22 14:22:12,145 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:12,146 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:113 [2019-11-22 14:22:12,832 WARN L192 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 53 [2019-11-22 14:22:12,833 INFO L343 Elim1Store]: treesize reduction 796, result has 10.1 percent of original size [2019-11-22 14:22:12,833 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 124 treesize of output 150 [2019-11-22 14:22:12,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:12,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:12,923 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:12,923 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:125 [2019-11-22 14:22:14,495 WARN L192 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 339 DAG size of output: 119 [2019-11-22 14:22:14,495 INFO L343 Elim1Store]: treesize reduction 640, result has 39.7 percent of original size [2019-11-22 14:22:14,496 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 136 treesize of output 489 [2019-11-22 14:22:14,497 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:14,927 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 57 [2019-11-22 14:22:14,927 INFO L567 ElimStorePlain]: treesize reduction 324, result has 29.4 percent of original size [2019-11-22 14:22:14,928 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:14,928 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:139, output treesize:135 [2019-11-22 14:22:15,199 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-11-22 14:24:31,796 WARN L192 SmtUtils]: Spent 2.28 m on a formula simplification. DAG size of input: 393 DAG size of output: 168 [2019-11-22 14:24:31,797 INFO L343 Elim1Store]: treesize reduction 673, result has 46.0 percent of original size [2019-11-22 14:24:31,798 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 148 treesize of output 645 [2019-11-22 14:24:31,802 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:32,342 WARN L192 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 61 [2019-11-22 14:24:32,343 INFO L567 ElimStorePlain]: treesize reduction 564, result has 20.7 percent of original size [2019-11-22 14:24:32,343 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:32,343 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:147 [2019-11-22 14:24:32,601 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-11-22 14:24:33,530 WARN L192 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 68 [2019-11-22 14:24:33,530 INFO L343 Elim1Store]: treesize reduction 1270, result has 8.4 percent of original size [2019-11-22 14:24:33,531 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 157 treesize of output 192 [2019-11-22 14:24:33,531 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:33,652 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 14:24:33,653 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:33,653 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:33,654 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:158 [2019-11-22 14:24:33,958 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 14:24:35,045 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 512 DAG size of output: 73 [2019-11-22 14:24:35,045 INFO L343 Elim1Store]: treesize reduction 1452, result has 7.9 percent of original size [2019-11-22 14:24:35,046 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 168 treesize of output 206 [2019-11-22 14:24:35,046 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:35,176 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 14:24:35,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:35,177 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:35,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:173, output treesize:169 [2019-11-22 14:24:35,491 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 14:24:36,663 WARN L192 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 578 DAG size of output: 78 [2019-11-22 14:24:36,664 INFO L343 Elim1Store]: treesize reduction 1646, result has 7.5 percent of original size [2019-11-22 14:24:36,664 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 120 case distinctions, treesize of input 179 treesize of output 220 [2019-11-22 14:24:36,666 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:36,805 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 14:24:36,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:36,806 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:36,807 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2019-11-22 14:24:37,225 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 14:24:39,448 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:24:39,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:39,476 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:24:39,476 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:51 [2019-11-22 14:24:41,487 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse2 (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base|))) (let ((.cse0 (store .cse2 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv12 32)) v_DerPreprocessor_1))) (and (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| (let ((.cse1 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv4 32)))) (store (store .cse0 .cse1 .cse1) (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv8 32)) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| .cse0) (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| (store .cse2 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv13 32)) v_DerPreprocessor_1))))))) is different from true [2019-11-22 14:24:43,519 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse2 (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base|))) (let ((.cse0 (store .cse2 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv12 32)) v_DerPreprocessor_1))) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| (let ((.cse1 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv4 32)))) (store (store .cse0 .cse1 .cse1) (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv8 32)) .cse1)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| .cse0) (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| (store .cse2 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv13 32)) v_DerPreprocessor_1))))))) is different from true [2019-11-22 14:24:43,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,609 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,612 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,663 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,663 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,671 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:43,672 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 18 new quantified variables, introduced 120 case distinctions, treesize of input 193 treesize of output 482 [2019-11-22 14:24:43,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,794 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,795 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,813 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,819 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,827 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,839 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,840 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,845 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,874 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,876 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:43,890 INFO L237 Elim1Store]: Index analysis took 114 ms [2019-11-22 14:24:43,893 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 139 [2019-11-22 14:24:43,894 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:44,073 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 14:24:44,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:44,074 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:44,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:44,154 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:44,154 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:156 [2019-11-22 14:24:47,763 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 14:24:47,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:24:47,789 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:47,789 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 138 treesize of output 184 [2019-11-22 14:24:47,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:47,906 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-11-22 14:24:47,907 INFO L567 ElimStorePlain]: treesize reduction 15, result has 89.5 percent of original size [2019-11-22 14:24:47,907 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:47,907 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:128 [2019-11-22 14:24:51,021 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:51,021 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 132 treesize of output 154 [2019-11-22 14:24:51,023 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:51,083 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:51,083 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:51,083 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:106 [2019-11-22 14:24:53,949 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-11-22 14:24:53,950 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:53,951 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 115 treesize of output 171 [2019-11-22 14:24:53,954 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:24:54,062 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-22 14:24:54,063 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:54,064 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:24:54,064 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:121 [2019-11-22 14:24:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 14:24:55,132 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:24:57,473 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:24:57,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:57,476 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:24:57,476 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:10 [2019-11-22 14:24:58,220 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:24:58,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:24:58,232 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:24:58,232 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2019-11-22 14:25:01,712 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:25:01,721 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:25:01,721 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-22 14:25:01,722 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:33 [2019-11-22 14:25:03,008 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:25:03,042 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:25:03,243 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:25:03,244 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:667) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:493) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 14:25:03,252 INFO L168 Benchmark]: Toolchain (without parser) took 368128.89 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 485.0 MB). Free memory was 960.4 MB in the beginning and 1.3 GB in the end (delta: -367.6 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:03,252 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:25:03,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:03,253 INFO L168 Benchmark]: Boogie Preprocessor took 110.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:03,253 INFO L168 Benchmark]: RCFGBuilder took 1639.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. [2019-11-22 14:25:03,254 INFO L168 Benchmark]: TraceAbstraction took 365465.13 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 342.9 MB). Free memory was 985.5 MB in the beginning and 1.3 GB in the end (delta: -342.4 MB). Peak memory consumption was 478.5 kB. Max. memory is 11.5 GB. [2019-11-22 14:25:03,256 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 907.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.04 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 1639.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 365465.13 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 342.9 MB). Free memory was 985.5 MB in the beginning and 1.3 GB in the end (delta: -342.4 MB). Peak memory consumption was 478.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:667) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...