./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.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_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9181148b15e14afa3f85d7f56edfe966974a0845 ............................................................................................................................ 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_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9181148b15e14afa3f85d7f56edfe966974a0845 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-3d056a1 [2019-11-22 14:16:59,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:16:59,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:16:59,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:16:59,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:16:59,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:16:59,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:16:59,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:16:59,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:16:59,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:16:59,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:16:59,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:16:59,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:16:59,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:16:59,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:16:59,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:16:59,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:16:59,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:16:59,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:16:59,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:16:59,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:16:59,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:16:59,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:16:59,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:16:59,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:16:59,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:16:59,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:16:59,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:16:59,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:16:59,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:16:59,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:16:59,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:16:59,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:16:59,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:16:59,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:16:59,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:16:59,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:16:59,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:16:59,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:16:59,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:16:59,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:16:59,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-22 14:16:59,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:16:59,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:16:59,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:16:59,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:16:59,472 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:16:59,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:16:59,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:16:59,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 14:16:59,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 14:16:59,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:16:59,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:16:59,475 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 14:16:59,475 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 14:16:59,475 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 14:16:59,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:16:59,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:16:59,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:16:59,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:16:59,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:16:59,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:16:59,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:16:59,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:16:59,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:16:59,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:16:59,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:16:59,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 14:16:59,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 14:16:59,479 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 -> 9181148b15e14afa3f85d7f56edfe966974a0845 [2019-11-22 14:16:59,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:16:59,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:16:59,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:16:59,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:16:59,843 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:16:59,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-22 14:16:59,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e124e0265/ea06d05d23f24848bad183ef7644d6a0/FLAGc02eacba6 [2019-11-22 14:17:00,502 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:17:00,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-22 14:17:00,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e124e0265/ea06d05d23f24848bad183ef7644d6a0/FLAGc02eacba6 [2019-11-22 14:17:00,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e124e0265/ea06d05d23f24848bad183ef7644d6a0 [2019-11-22 14:17:00,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:17:00,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 14:17:00,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:17:00,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:17:00,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:17:00,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:17:00" (1/1) ... [2019-11-22 14:17:00,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b7a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:00, skipping insertion in model container [2019-11-22 14:17:00,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:17:00" (1/1) ... [2019-11-22 14:17:00,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:17:00,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:17:01,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:17:01,398 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 14:17:01,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c7a9258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:01, skipping insertion in model container [2019-11-22 14:17:01,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 14:17:01,400 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-22 14:17:01,403 INFO L168 Benchmark]: Toolchain (without parser) took 582.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-22 14:17:01,404 INFO L168 Benchmark]: CDTParser took 0.54 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 14:17:01,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-22 14:17:01,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 578.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 20.7 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 14:17:03,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 14:17:03,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 14:17:03,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 14:17:03,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 14:17:03,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 14:17:03,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 14:17:03,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 14:17:03,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 14:17:03,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 14:17:03,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 14:17:03,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 14:17:03,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 14:17:03,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 14:17:03,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 14:17:03,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 14:17:03,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 14:17:03,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 14:17:03,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 14:17:03,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 14:17:03,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 14:17:03,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 14:17:03,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 14:17:03,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 14:17:03,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 14:17:03,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 14:17:03,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 14:17:03,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 14:17:03,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 14:17:03,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 14:17:03,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 14:17:03,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 14:17:03,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 14:17:03,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 14:17:03,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 14:17:03,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 14:17:03,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 14:17:03,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 14:17:03,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 14:17:03,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 14:17:03,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 14:17:03,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 14:17:03,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 14:17:03,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 14:17:03,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 14:17:03,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 14:17:03,241 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 14:17:03,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 14:17:03,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 14:17:03,242 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 14:17:03,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 14:17:03,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 14:17:03,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 14:17:03,243 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 14:17:03,244 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 14:17:03,244 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 14:17:03,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 14:17:03,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 14:17:03,244 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 14:17:03,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 14:17:03,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 14:17:03,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 14:17:03,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 14:17:03,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 14:17:03,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 14:17:03,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 14:17:03,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 14:17:03,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 14:17:03,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 14:17:03,248 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 14:17:03,248 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 14:17:03,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 14:17:03,248 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 -> 9181148b15e14afa3f85d7f56edfe966974a0845 [2019-11-22 14:17:03,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 14:17:03,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 14:17:03,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 14:17:03,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 14:17:03,583 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 14:17:03,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-22 14:17:03,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52b3dd98/7e60e5c4cfda4f9bb76e1a245b368695/FLAG3561721ee [2019-11-22 14:17:04,204 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 14:17:04,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-22 14:17:04,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52b3dd98/7e60e5c4cfda4f9bb76e1a245b368695/FLAG3561721ee [2019-11-22 14:17:04,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52b3dd98/7e60e5c4cfda4f9bb76e1a245b368695 [2019-11-22 14:17:04,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 14:17:04,519 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 14:17:04,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 14:17:04,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 14:17:04,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 14:17:04,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:17:04" (1/1) ... [2019-11-22 14:17:04,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f148de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:04, skipping insertion in model container [2019-11-22 14:17:04,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:17:04" (1/1) ... [2019-11-22 14:17:04,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 14:17:04,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:17:05,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:17:05,208 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 14:17:05,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 14:17:05,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:17:05,293 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 14:17:05,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 14:17:05,444 INFO L208 MainTranslator]: Completed translation [2019-11-22 14:17:05,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05 WrapperNode [2019-11-22 14:17:05,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 14:17:05,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 14:17:05,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 14:17:05,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 14:17:05,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (1/1) ... [2019-11-22 14:17:05,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (1/1) ... [2019-11-22 14:17:05,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (1/1) ... [2019-11-22 14:17:05,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (1/1) ... [2019-11-22 14:17:05,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (1/1) ... [2019-11-22 14:17:05,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (1/1) ... [2019-11-22 14:17:05,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (1/1) ... [2019-11-22 14:17:05,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 14:17:05,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 14:17:05,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 14:17:05,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 14:17:05,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (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 14:17:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 14:17:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 14:17:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 14:17:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 14:17:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 14:17:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 14:17:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 14:17:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 14:17:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 14:17:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 14:17:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 14:17:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 14:17:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 14:17:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 14:17:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 14:17:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 14:17:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 14:17:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 14:17:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 14:17:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 14:17:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 14:17:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 14:17:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 14:17:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 14:17:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 14:17:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 14:17:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 14:17:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 14:17:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 14:17:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 14:17:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 14:17:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 14:17:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 14:17:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 14:17:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 14:17:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 14:17:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 14:17:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 14:17:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 14:17:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 14:17:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 14:17:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 14:17:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 14:17:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 14:17:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 14:17:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 14:17:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 14:17:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 14:17:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 14:17:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 14:17:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 14:17:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 14:17:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 14:17:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 14:17:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 14:17:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 14:17:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 14:17:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 14:17:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 14:17:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 14:17:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 14:17:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 14:17:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 14:17:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 14:17:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 14:17:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 14:17:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 14:17:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 14:17:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 14:17:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 14:17:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 14:17:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 14:17:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 14:17:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 14:17:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 14:17:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 14:17:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 14:17:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 14:17:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 14:17:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 14:17:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 14:17:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 14:17:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 14:17:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 14:17:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 14:17:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 14:17:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 14:17:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 14:17:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 14:17:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 14:17:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 14:17:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 14:17:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 14:17:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 14:17:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 14:17:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 14:17:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 14:17:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 14:17:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 14:17:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 14:17:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 14:17:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 14:17:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 14:17:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 14:17:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 14:17:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 14:17:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 14:17:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 14:17:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 14:17:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 14:17:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 14:17:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 14:17:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 14:17:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 14:17:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 14:17:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 14:17:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 14:17:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 14:17:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 14:17:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 14:17:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 14:17:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 14:17:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 14:17:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 14:17:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 14:17:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 14:17:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 14:17:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 14:17:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 14:17:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 14:17:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 14:17:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 14:17:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 14:17:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 14:17:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 14:17:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 14:17:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 14:17:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 14:17:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 14:17:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 14:17:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 14:17:06,316 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 14:17:06,660 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 14:17:06,991 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 14:17:06,991 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 14:17:06,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:17:06 BoogieIcfgContainer [2019-11-22 14:17:06,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 14:17:06,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 14:17:06,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 14:17:06,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 14:17:06,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:17:04" (1/3) ... [2019-11-22 14:17:06,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfbd627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:17:06, skipping insertion in model container [2019-11-22 14:17:07,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:05" (2/3) ... [2019-11-22 14:17:07,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfbd627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:17:07, skipping insertion in model container [2019-11-22 14:17:07,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:17:06" (3/3) ... [2019-11-22 14:17:07,002 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1-1.i [2019-11-22 14:17:07,012 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 14:17:07,021 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-22 14:17:07,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-22 14:17:07,054 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 14:17:07,055 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 14:17:07,055 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 14:17:07,055 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 14:17:07,055 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 14:17:07,056 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 14:17:07,056 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 14:17:07,056 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 14:17:07,087 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-11-22 14:17:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 14:17:07,096 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:07,097 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 14:17:07,098 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 14:17:07,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:07,103 INFO L82 PathProgramCache]: Analyzing trace with hash -580210168, now seen corresponding path program 1 times [2019-11-22 14:17:07,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:07,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1683067643] [2019-11-22 14:17:07,113 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 14:17:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:07,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:17:07,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:07,516 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 14:17:07,516 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:07,527 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:07,527 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:07,528 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:17:07,562 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 14:17:07,563 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:07,620 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 14:17:07,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1683067643] [2019-11-22 14:17:07,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:07,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 14:17:07,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399278174] [2019-11-22 14:17:07,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:17:07,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:07,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:17:07,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:17:07,651 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 5 states. [2019-11-22 14:17:07,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:07,988 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2019-11-22 14:17:07,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:17:07,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 14:17:07,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:08,010 INFO L225 Difference]: With dead ends: 156 [2019-11-22 14:17:08,010 INFO L226 Difference]: Without dead ends: 153 [2019-11-22 14:17:08,012 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 14:17:08,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-22 14:17:08,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2019-11-22 14:17:08,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-22 14:17:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2019-11-22 14:17:08,074 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 17 [2019-11-22 14:17:08,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:08,074 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2019-11-22 14:17:08,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:17:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2019-11-22 14:17:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 14:17:08,076 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:08,076 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 14:17:08,288 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:08,289 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 14:17:08,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:08,289 INFO L82 PathProgramCache]: Analyzing trace with hash -580210167, now seen corresponding path program 1 times [2019-11-22 14:17:08,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:08,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [388903658] [2019-11-22 14:17:08,290 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 14:17:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:08,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 14:17:08,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:08,606 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 14:17:08,606 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:08,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:08,614 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:08,615 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:17:08,667 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 14:17:08,667 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:08,989 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 14:17:08,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [388903658] [2019-11-22 14:17:08,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:08,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-22 14:17:08,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238134757] [2019-11-22 14:17:08,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 14:17:08,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:08,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 14:17:08,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-22 14:17:08,993 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand 10 states. [2019-11-22 14:17:09,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:09,676 INFO L93 Difference]: Finished difference Result 152 states and 163 transitions. [2019-11-22 14:17:09,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 14:17:09,680 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-22 14:17:09,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:09,682 INFO L225 Difference]: With dead ends: 152 [2019-11-22 14:17:09,682 INFO L226 Difference]: Without dead ends: 152 [2019-11-22 14:17:09,683 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 14:17:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-22 14:17:09,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2019-11-22 14:17:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-22 14:17:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2019-11-22 14:17:09,695 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 17 [2019-11-22 14:17:09,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:09,696 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2019-11-22 14:17:09,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 14:17:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2019-11-22 14:17:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 14:17:09,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:09,697 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 14:17:09,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:09,899 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 14:17:09,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:09,900 INFO L82 PathProgramCache]: Analyzing trace with hash -551581017, now seen corresponding path program 1 times [2019-11-22 14:17:09,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:09,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1266282944] [2019-11-22 14:17:09,902 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 14:17:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:10,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 14:17:10,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:10,162 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 14:17:10,162 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:10,201 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 14:17:10,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1266282944] [2019-11-22 14:17:10,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:10,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 14:17:10,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562204589] [2019-11-22 14:17:10,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:17:10,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:10,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:17:10,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:17:10,206 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand 5 states. [2019-11-22 14:17:10,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:10,239 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2019-11-22 14:17:10,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:17:10,241 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 14:17:10,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:10,243 INFO L225 Difference]: With dead ends: 146 [2019-11-22 14:17:10,244 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 14:17:10,246 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 14:17:10,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 14:17:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-22 14:17:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 14:17:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 152 transitions. [2019-11-22 14:17:10,261 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 152 transitions. Word has length 17 [2019-11-22 14:17:10,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:10,262 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 152 transitions. [2019-11-22 14:17:10,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:17:10,262 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2019-11-22 14:17:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-22 14:17:10,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:10,263 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] [2019-11-22 14:17:10,465 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:10,466 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 14:17:10,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:10,467 INFO L82 PathProgramCache]: Analyzing trace with hash 180429038, now seen corresponding path program 1 times [2019-11-22 14:17:10,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:10,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1562105160] [2019-11-22 14:17:10,469 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 14:17:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:10,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:17:10,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:10,736 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 14:17:10,737 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:10,825 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 14:17:10,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1562105160] [2019-11-22 14:17:10,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:10,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 14:17:10,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707533272] [2019-11-22 14:17:10,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 14:17:10,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:10,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 14:17:10,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 14:17:10,830 INFO L87 Difference]: Start difference. First operand 144 states and 152 transitions. Second operand 5 states. [2019-11-22 14:17:10,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:10,862 INFO L93 Difference]: Finished difference Result 146 states and 153 transitions. [2019-11-22 14:17:10,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 14:17:10,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-22 14:17:10,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:10,864 INFO L225 Difference]: With dead ends: 146 [2019-11-22 14:17:10,865 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 14:17:10,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 14:17:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 14:17:10,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-22 14:17:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 14:17:10,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2019-11-22 14:17:10,890 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 27 [2019-11-22 14:17:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:10,890 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2019-11-22 14:17:10,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 14:17:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2019-11-22 14:17:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-22 14:17:10,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:10,897 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] [2019-11-22 14:17:11,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:11,098 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 14:17:11,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:11,098 INFO L82 PathProgramCache]: Analyzing trace with hash -330105139, now seen corresponding path program 1 times [2019-11-22 14:17:11,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:11,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1028126129] [2019-11-22 14:17:11,099 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 14:17:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:11,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 14:17:11,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:11,451 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 14:17:11,451 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:11,499 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 14:17:11,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1028126129] [2019-11-22 14:17:11,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:11,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-22 14:17:11,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851372792] [2019-11-22 14:17:11,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 14:17:11,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:11,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 14:17:11,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-22 14:17:11,501 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 7 states. [2019-11-22 14:17:11,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:11,572 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2019-11-22 14:17:11,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 14:17:11,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-11-22 14:17:11,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:11,575 INFO L225 Difference]: With dead ends: 160 [2019-11-22 14:17:11,575 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 14:17:11,576 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 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 14:17:11,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 14:17:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2019-11-22 14:17:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-22 14:17:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2019-11-22 14:17:11,586 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 27 [2019-11-22 14:17:11,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:11,587 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2019-11-22 14:17:11,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 14:17:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2019-11-22 14:17:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-22 14:17:11,588 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:11,589 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 14:17:11,802 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:11,804 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 14:17:11,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:11,805 INFO L82 PathProgramCache]: Analyzing trace with hash 317366699, now seen corresponding path program 1 times [2019-11-22 14:17:11,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:11,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1206966860] [2019-11-22 14:17:11,806 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 14:17:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:12,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-22 14:17:12,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:12,089 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 14:17:12,089 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:12,154 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 14:17:12,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1206966860] [2019-11-22 14:17:12,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:12,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-22 14:17:12,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278572160] [2019-11-22 14:17:12,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 14:17:12,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:12,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 14:17:12,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-22 14:17:12,156 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 6 states. [2019-11-22 14:17:12,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:12,217 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2019-11-22 14:17:12,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 14:17:12,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-22 14:17:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:12,219 INFO L225 Difference]: With dead ends: 159 [2019-11-22 14:17:12,219 INFO L226 Difference]: Without dead ends: 155 [2019-11-22 14:17:12,220 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 14:17:12,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-22 14:17:12,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-11-22 14:17:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-22 14:17:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 162 transitions. [2019-11-22 14:17:12,227 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 162 transitions. Word has length 32 [2019-11-22 14:17:12,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:12,228 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 162 transitions. [2019-11-22 14:17:12,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 14:17:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 162 transitions. [2019-11-22 14:17:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-22 14:17:12,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:12,229 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 14:17:12,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:12,433 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 14:17:12,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:12,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1135828661, now seen corresponding path program 1 times [2019-11-22 14:17:12,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:12,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1845800863] [2019-11-22 14:17:12,434 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 14:17:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:12,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 14:17:12,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:12,752 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 14:17:12,752 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:12,875 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 14:17:12,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1845800863] [2019-11-22 14:17:12,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:17:12,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-22 14:17:12,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669128343] [2019-11-22 14:17:12,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 14:17:12,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:12,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 14:17:12,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-22 14:17:12,879 INFO L87 Difference]: Start difference. First operand 155 states and 162 transitions. Second operand 10 states. [2019-11-22 14:17:13,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:13,107 INFO L93 Difference]: Finished difference Result 163 states and 172 transitions. [2019-11-22 14:17:13,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 14:17:13,108 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-11-22 14:17:13,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:13,110 INFO L225 Difference]: With dead ends: 163 [2019-11-22 14:17:13,110 INFO L226 Difference]: Without dead ends: 159 [2019-11-22 14:17:13,111 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 14:17:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-22 14:17:13,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-11-22 14:17:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-22 14:17:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2019-11-22 14:17:13,119 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 34 [2019-11-22 14:17:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:13,120 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2019-11-22 14:17:13,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 14:17:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2019-11-22 14:17:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-22 14:17:13,121 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:13,122 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] [2019-11-22 14:17:13,324 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:13,326 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 14:17:13,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:13,326 INFO L82 PathProgramCache]: Analyzing trace with hash 591246760, now seen corresponding path program 1 times [2019-11-22 14:17:13,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:13,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [826762933] [2019-11-22 14:17:13,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:17:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:13,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 14:17:13,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:13,705 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 14:17:13,706 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:13,777 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 14:17:13,777 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [826762933] [2019-11-22 14:17:13,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:13,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-22 14:17:13,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559124110] [2019-11-22 14:17:13,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 14:17:13,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:13,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 14:17:13,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-22 14:17:13,779 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 7 states. [2019-11-22 14:17:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:13,838 INFO L93 Difference]: Finished difference Result 169 states and 176 transitions. [2019-11-22 14:17:13,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 14:17:13,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-22 14:17:13,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:13,840 INFO L225 Difference]: With dead ends: 169 [2019-11-22 14:17:13,840 INFO L226 Difference]: Without dead ends: 169 [2019-11-22 14:17:13,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 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 14:17:13,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-22 14:17:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2019-11-22 14:17:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-11-22 14:17:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 172 transitions. [2019-11-22 14:17:13,847 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 172 transitions. Word has length 36 [2019-11-22 14:17:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:13,847 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 172 transitions. [2019-11-22 14:17:13,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 14:17:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 172 transitions. [2019-11-22 14:17:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-22 14:17:13,849 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:13,849 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] [2019-11-22 14:17:14,060 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:14,062 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 14:17:14,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:14,062 INFO L82 PathProgramCache]: Analyzing trace with hash -212953728, now seen corresponding path program 1 times [2019-11-22 14:17:14,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:14,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [673791136] [2019-11-22 14:17:14,064 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 14:17:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:14,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 14:17:14,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:14,299 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 14:17:14,299 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:14,416 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 14:17:14,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [673791136] [2019-11-22 14:17:14,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:14,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 14:17:14,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820216178] [2019-11-22 14:17:14,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 14:17:14,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:14,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 14:17:14,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 14:17:14,418 INFO L87 Difference]: Start difference. First operand 165 states and 172 transitions. Second operand 3 states. [2019-11-22 14:17:14,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:14,648 INFO L93 Difference]: Finished difference Result 176 states and 182 transitions. [2019-11-22 14:17:14,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 14:17:14,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-22 14:17:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:14,650 INFO L225 Difference]: With dead ends: 176 [2019-11-22 14:17:14,650 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 14:17:14,652 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 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 14:17:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 14:17:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 146. [2019-11-22 14:17:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 14:17:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 152 transitions. [2019-11-22 14:17:14,660 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 152 transitions. Word has length 34 [2019-11-22 14:17:14,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:14,660 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 152 transitions. [2019-11-22 14:17:14,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 14:17:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 152 transitions. [2019-11-22 14:17:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 14:17:14,665 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:14,665 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 14:17:14,870 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:14,870 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 14:17:14,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:14,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1203345269, now seen corresponding path program 2 times [2019-11-22 14:17:14,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:14,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1239004246] [2019-11-22 14:17:14,872 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 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 14:17:15,152 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 14:17:15,152 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 14:17:15,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 14:17:15,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:15,162 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 14:17:15,162 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:15,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:15,164 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:15,164 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:17:15,315 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 14:17:15,315 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:15,416 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 14:17:15,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1239004246] [2019-11-22 14:17:15,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:15,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 14:17:15,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089717869] [2019-11-22 14:17:15,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 14:17:15,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:15,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 14:17:15,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:17:15,418 INFO L87 Difference]: Start difference. First operand 146 states and 152 transitions. Second operand 13 states. [2019-11-22 14:17:16,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:16,557 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2019-11-22 14:17:16,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:17:16,558 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-11-22 14:17:16,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:16,560 INFO L225 Difference]: With dead ends: 157 [2019-11-22 14:17:16,560 INFO L226 Difference]: Without dead ends: 157 [2019-11-22 14:17:16,561 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 14:17:16,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-22 14:17:16,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 145. [2019-11-22 14:17:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-22 14:17:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 151 transitions. [2019-11-22 14:17:16,567 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 151 transitions. Word has length 38 [2019-11-22 14:17:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:16,567 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 151 transitions. [2019-11-22 14:17:16,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 14:17:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 151 transitions. [2019-11-22 14:17:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 14:17:16,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:16,568 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 14:17:16,771 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:16,772 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 14:17:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:16,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1203345268, now seen corresponding path program 1 times [2019-11-22 14:17:16,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:16,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [353701049] [2019-11-22 14:17:16,774 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 14:17:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:17,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 14:17:17,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:17,190 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 14:17:17,190 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:17,497 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 14:17:17,498 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [353701049] [2019-11-22 14:17:17,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:17:17,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-22 14:17:17,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747057333] [2019-11-22 14:17:17,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 14:17:17,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:17,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 14:17:17,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2019-11-22 14:17:17,499 INFO L87 Difference]: Start difference. First operand 145 states and 151 transitions. Second operand 18 states. [2019-11-22 14:17:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:18,414 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2019-11-22 14:17:18,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 14:17:18,415 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2019-11-22 14:17:18,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:18,416 INFO L225 Difference]: With dead ends: 157 [2019-11-22 14:17:18,416 INFO L226 Difference]: Without dead ends: 153 [2019-11-22 14:17:18,417 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600 [2019-11-22 14:17:18,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-22 14:17:18,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-11-22 14:17:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-22 14:17:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 159 transitions. [2019-11-22 14:17:18,423 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 159 transitions. Word has length 38 [2019-11-22 14:17:18,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:18,424 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 159 transitions. [2019-11-22 14:17:18,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 14:17:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 159 transitions. [2019-11-22 14:17:18,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-22 14:17:18,425 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:18,425 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 14:17:18,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:18,629 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 14:17:18,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:18,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1038685964, now seen corresponding path program 2 times [2019-11-22 14:17:18,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:18,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1678943845] [2019-11-22 14:17:18,632 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 14:17:18,956 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 14:17:18,957 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 14:17:18,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 14:17:18,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:18,997 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 14:17:18,997 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:19,004 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:19,004 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:19,005 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:17:19,292 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 14:17:19,292 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:20,107 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 14:17:20,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1678943845] [2019-11-22 14:17:20,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:20,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 14:17:20,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218243819] [2019-11-22 14:17:20,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 14:17:20,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:20,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 14:17:20,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 14:17:20,110 INFO L87 Difference]: Start difference. First operand 153 states and 159 transitions. Second operand 23 states. [2019-11-22 14:17:22,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:22,885 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2019-11-22 14:17:22,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:17:22,886 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2019-11-22 14:17:22,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:22,887 INFO L225 Difference]: With dead ends: 152 [2019-11-22 14:17:22,887 INFO L226 Difference]: Without dead ends: 152 [2019-11-22 14:17:22,889 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 14:17:22,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-22 14:17:22,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-11-22 14:17:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-22 14:17:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 158 transitions. [2019-11-22 14:17:22,894 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 158 transitions. Word has length 46 [2019-11-22 14:17:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:22,894 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 158 transitions. [2019-11-22 14:17:22,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 14:17:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2019-11-22 14:17:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-22 14:17:22,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:22,896 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 14:17:23,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:23,099 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 14:17:23,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:23,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1614588820, now seen corresponding path program 1 times [2019-11-22 14:17:23,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:23,102 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1435083732] [2019-11-22 14:17:23,102 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 14:17:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:23,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-22 14:17:23,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:23,686 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 14:17:23,686 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:23,796 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-22 14:17:24,595 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 14:17:24,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1435083732] [2019-11-22 14:17:24,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 14:17:24,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2019-11-22 14:17:24,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567544474] [2019-11-22 14:17:24,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-22 14:17:24,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:24,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-22 14:17:24,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-11-22 14:17:24,598 INFO L87 Difference]: Start difference. First operand 152 states and 158 transitions. Second operand 34 states. [2019-11-22 14:17:25,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:25,392 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2019-11-22 14:17:25,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 14:17:25,394 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 51 [2019-11-22 14:17:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:25,397 INFO L225 Difference]: With dead ends: 158 [2019-11-22 14:17:25,397 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 14:17:25,399 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 14:17:25,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 14:17:25,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 14:17:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 14:17:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2019-11-22 14:17:25,419 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 51 [2019-11-22 14:17:25,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:25,420 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2019-11-22 14:17:25,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-22 14:17:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2019-11-22 14:17:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 14:17:25,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:25,422 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 14:17:25,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:25,627 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 14:17:25,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:25,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1256867828, now seen corresponding path program 2 times [2019-11-22 14:17:25,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:25,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [268649413] [2019-11-22 14:17:25,631 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 14:17:25,956 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 14:17:25,956 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 14:17:25,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 14:17:25,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:25,966 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 14:17:25,967 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:25,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:25,969 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:25,969 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:17:26,124 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 14:17:26,125 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:26,209 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 14:17:26,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [268649413] [2019-11-22 14:17:26,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:26,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 14:17:26,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193631700] [2019-11-22 14:17:26,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 14:17:26,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:26,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 14:17:26,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:17:26,212 INFO L87 Difference]: Start difference. First operand 154 states and 160 transitions. Second operand 13 states. [2019-11-22 14:17:27,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:27,244 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2019-11-22 14:17:27,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:17:27,245 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2019-11-22 14:17:27,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:27,247 INFO L225 Difference]: With dead ends: 164 [2019-11-22 14:17:27,247 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 14:17:27,247 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 14:17:27,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 14:17:27,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2019-11-22 14:17:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-22 14:17:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 158 transitions. [2019-11-22 14:17:27,253 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 158 transitions. Word has length 53 [2019-11-22 14:17:27,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:27,253 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 158 transitions. [2019-11-22 14:17:27,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 14:17:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2019-11-22 14:17:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 14:17:27,254 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:27,255 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 14:17:27,458 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:27,458 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 14:17:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:27,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1256867829, now seen corresponding path program 1 times [2019-11-22 14:17:27,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:27,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [27069468] [2019-11-22 14:17:27,459 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 14:17:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:27,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 14:17:27,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:27,930 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 14:17:27,931 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:27,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:27,938 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:27,938 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:17:28,199 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 14:17:28,199 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:29,010 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 14:17:29,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [27069468] [2019-11-22 14:17:29,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:29,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 14:17:29,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694434528] [2019-11-22 14:17:29,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 14:17:29,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:29,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 14:17:29,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 14:17:29,013 INFO L87 Difference]: Start difference. First operand 152 states and 158 transitions. Second operand 23 states. [2019-11-22 14:17:31,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:31,492 INFO L93 Difference]: Finished difference Result 150 states and 156 transitions. [2019-11-22 14:17:31,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 14:17:31,493 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2019-11-22 14:17:31,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:31,494 INFO L225 Difference]: With dead ends: 150 [2019-11-22 14:17:31,494 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 14:17:31,495 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 14:17:31,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 14:17:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 14:17:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 14:17:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 156 transitions. [2019-11-22 14:17:31,500 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 156 transitions. Word has length 53 [2019-11-22 14:17:31,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:31,501 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 156 transitions. [2019-11-22 14:17:31,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 14:17:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 156 transitions. [2019-11-22 14:17:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-22 14:17:31,502 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:31,502 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] [2019-11-22 14:17:31,707 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:31,708 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 14:17:31,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:31,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1782492395, now seen corresponding path program 1 times [2019-11-22 14:17:31,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:31,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [459758082] [2019-11-22 14:17:31,710 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 14:17:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:31,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 14:17:31,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:32,042 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 14:17:32,042 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:32,166 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 14:17:32,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [459758082] [2019-11-22 14:17:32,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:32,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-22 14:17:32,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388151620] [2019-11-22 14:17:32,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 14:17:32,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:32,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 14:17:32,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 14:17:32,168 INFO L87 Difference]: Start difference. First operand 150 states and 156 transitions. Second operand 8 states. [2019-11-22 14:17:32,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:32,208 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2019-11-22 14:17:32,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 14:17:32,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-22 14:17:32,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:32,210 INFO L225 Difference]: With dead ends: 152 [2019-11-22 14:17:32,210 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 14:17:32,210 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 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 14:17:32,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 14:17:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 14:17:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 14:17:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 155 transitions. [2019-11-22 14:17:32,215 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 155 transitions. Word has length 56 [2019-11-22 14:17:32,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:32,215 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 155 transitions. [2019-11-22 14:17:32,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 14:17:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2019-11-22 14:17:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-22 14:17:32,216 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:32,216 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] [2019-11-22 14:17:32,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:32,417 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 14:17:32,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:32,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1924935738, now seen corresponding path program 1 times [2019-11-22 14:17:32,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:32,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1003402887] [2019-11-22 14:17:32,418 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 14:17:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:32,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 14:17:32,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:32,798 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 14:17:32,798 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:32,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:17:33,032 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 14:17:33,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1003402887] [2019-11-22 14:17:33,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:33,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2019-11-22 14:17:33,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911726504] [2019-11-22 14:17:33,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 14:17:33,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:33,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 14:17:33,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-22 14:17:33,034 INFO L87 Difference]: Start difference. First operand 150 states and 155 transitions. Second operand 11 states. [2019-11-22 14:17:33,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:33,145 INFO L93 Difference]: Finished difference Result 154 states and 158 transitions. [2019-11-22 14:17:33,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 14:17:33,146 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2019-11-22 14:17:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:33,147 INFO L225 Difference]: With dead ends: 154 [2019-11-22 14:17:33,148 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 14:17:33,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 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 14:17:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 14:17:33,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 14:17:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 14:17:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-22 14:17:33,153 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 61 [2019-11-22 14:17:33,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:33,154 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-22 14:17:33,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 14:17:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-22 14:17:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-22 14:17:33,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:33,155 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] [2019-11-22 14:17:33,359 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:33,360 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 14:17:33,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:33,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1553235633, now seen corresponding path program 1 times [2019-11-22 14:17:33,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:33,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1026906320] [2019-11-22 14:17:33,361 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 14:17:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:33,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-22 14:17:33,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:33,829 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 14:17:33,829 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:33,831 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:33,832 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:33,832 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:17:34,099 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 14:17:34,100 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:34,510 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 14:17:34,510 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1026906320] [2019-11-22 14:17:34,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:34,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 12] imperfect sequences [] total 17 [2019-11-22 14:17:34,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296454696] [2019-11-22 14:17:34,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 14:17:34,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:34,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 14:17:34,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2019-11-22 14:17:34,514 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 18 states. [2019-11-22 14:17:36,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:36,051 INFO L93 Difference]: Finished difference Result 160 states and 163 transitions. [2019-11-22 14:17:36,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 14:17:36,052 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 72 [2019-11-22 14:17:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:36,053 INFO L225 Difference]: With dead ends: 160 [2019-11-22 14:17:36,053 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 14:17:36,054 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 123 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2019-11-22 14:17:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 14:17:36,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 148. [2019-11-22 14:17:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 14:17:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2019-11-22 14:17:36,059 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 72 [2019-11-22 14:17:36,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:36,060 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2019-11-22 14:17:36,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 14:17:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2019-11-22 14:17:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-22 14:17:36,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:36,061 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] [2019-11-22 14:17:36,265 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:36,266 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 14:17:36,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:36,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1553235634, now seen corresponding path program 1 times [2019-11-22 14:17:36,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:36,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1563307963] [2019-11-22 14:17:36,268 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 14:17:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:36,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-22 14:17:36,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:36,803 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 14:17:36,803 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:36,809 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:36,809 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:36,810 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:17:37,317 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 14:17:37,319 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:38,954 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 14:17:38,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1563307963] [2019-11-22 14:17:38,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:38,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17, 14] imperfect sequences [] total 30 [2019-11-22 14:17:38,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870249030] [2019-11-22 14:17:38,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-22 14:17:38,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:38,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-22 14:17:38,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2019-11-22 14:17:38,957 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 31 states. [2019-11-22 14:17:42,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:42,994 INFO L93 Difference]: Finished difference Result 146 states and 150 transitions. [2019-11-22 14:17:42,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 14:17:42,995 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 72 [2019-11-22 14:17:42,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:42,996 INFO L225 Difference]: With dead ends: 146 [2019-11-22 14:17:42,996 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 14:17:42,996 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=119, Invalid=1141, Unknown=0, NotChecked=0, Total=1260 [2019-11-22 14:17:42,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 14:17:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 14:17:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 14:17:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2019-11-22 14:17:43,000 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 72 [2019-11-22 14:17:43,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:43,001 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2019-11-22 14:17:43,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-11-22 14:17:43,001 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2019-11-22 14:17:43,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-22 14:17:43,002 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:43,003 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] [2019-11-22 14:17:43,207 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:43,207 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 14:17:43,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:43,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1822676548, now seen corresponding path program 1 times [2019-11-22 14:17:43,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:43,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1543051376] [2019-11-22 14:17:43,210 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 14:17:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:43,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 14:17:43,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:43,612 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 14:17:43,612 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:43,770 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 14:17:43,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1543051376] [2019-11-22 14:17:43,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:43,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-22 14:17:43,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498838519] [2019-11-22 14:17:43,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 14:17:43,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:43,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 14:17:43,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-22 14:17:43,772 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 11 states. [2019-11-22 14:17:43,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:43,872 INFO L93 Difference]: Finished difference Result 149 states and 152 transitions. [2019-11-22 14:17:43,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 14:17:43,873 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 81 [2019-11-22 14:17:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:43,875 INFO L225 Difference]: With dead ends: 149 [2019-11-22 14:17:43,875 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 14:17:43,875 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:17:43,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 14:17:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 14:17:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 14:17:43,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 149 transitions. [2019-11-22 14:17:43,880 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 149 transitions. Word has length 81 [2019-11-22 14:17:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:43,880 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 149 transitions. [2019-11-22 14:17:43,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 14:17:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 149 transitions. [2019-11-22 14:17:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-22 14:17:43,881 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:43,881 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] [2019-11-22 14:17:44,084 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:44,086 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 14:17:44,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:44,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1759296345, now seen corresponding path program 1 times [2019-11-22 14:17:44,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:44,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [487270106] [2019-11-22 14:17:44,088 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 14:17:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:44,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-22 14:17:44,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:44,633 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 14:17:44,634 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:44,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:44,636 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:44,636 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:17:44,987 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 14:17:44,988 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:45,433 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 14:17:45,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [487270106] [2019-11-22 14:17:45,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:45,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 14] imperfect sequences [] total 19 [2019-11-22 14:17:45,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548371015] [2019-11-22 14:17:45,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-22 14:17:45,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:45,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-22 14:17:45,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2019-11-22 14:17:45,435 INFO L87 Difference]: Start difference. First operand 146 states and 149 transitions. Second operand 20 states. [2019-11-22 14:17:47,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:47,136 INFO L93 Difference]: Finished difference Result 160 states and 162 transitions. [2019-11-22 14:17:47,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 14:17:47,136 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 94 [2019-11-22 14:17:47,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:47,137 INFO L225 Difference]: With dead ends: 160 [2019-11-22 14:17:47,137 INFO L226 Difference]: Without dead ends: 160 [2019-11-22 14:17:47,138 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 163 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2019-11-22 14:17:47,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-22 14:17:47,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 144. [2019-11-22 14:17:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 14:17:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 147 transitions. [2019-11-22 14:17:47,142 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 147 transitions. Word has length 94 [2019-11-22 14:17:47,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:47,143 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 147 transitions. [2019-11-22 14:17:47,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-22 14:17:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2019-11-22 14:17:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-22 14:17:47,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:47,145 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] [2019-11-22 14:17:47,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:47,349 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 14:17:47,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:47,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1759296346, now seen corresponding path program 1 times [2019-11-22 14:17:47,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:47,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [882988628] [2019-11-22 14:17:47,351 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 14:17:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:47,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-22 14:17:47,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:48,003 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 14:17:48,003 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:48,008 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:48,008 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:48,009 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:17:48,664 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 14:17:48,664 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:50,664 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 14:17:50,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [882988628] [2019-11-22 14:17:50,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:50,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 16] imperfect sequences [] total 34 [2019-11-22 14:17:50,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388579070] [2019-11-22 14:17:50,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-22 14:17:50,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:50,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-22 14:17:50,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1093, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 14:17:50,666 INFO L87 Difference]: Start difference. First operand 144 states and 147 transitions. Second operand 35 states. [2019-11-22 14:17:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:55,141 INFO L93 Difference]: Finished difference Result 142 states and 145 transitions. [2019-11-22 14:17:55,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 14:17:55,143 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 94 [2019-11-22 14:17:55,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:55,144 INFO L225 Difference]: With dead ends: 142 [2019-11-22 14:17:55,144 INFO L226 Difference]: Without dead ends: 142 [2019-11-22 14:17:55,145 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 148 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 14:17:55,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-22 14:17:55,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-22 14:17:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-22 14:17:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 145 transitions. [2019-11-22 14:17:55,149 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 145 transitions. Word has length 94 [2019-11-22 14:17:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:55,150 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 145 transitions. [2019-11-22 14:17:55,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-22 14:17:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 145 transitions. [2019-11-22 14:17:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-22 14:17:55,151 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:55,151 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] [2019-11-22 14:17:55,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:55,357 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 14:17:55,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:55,358 INFO L82 PathProgramCache]: Analyzing trace with hash -207269007, now seen corresponding path program 1 times [2019-11-22 14:17:55,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:55,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1742792459] [2019-11-22 14:17:55,359 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 14:17:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:55,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 14:17:55,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:55,779 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 14:17:55,779 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:56,051 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 14:17:56,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1742792459] [2019-11-22 14:17:56,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:56,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-22 14:17:56,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696255987] [2019-11-22 14:17:56,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 14:17:56,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:56,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 14:17:56,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-22 14:17:56,053 INFO L87 Difference]: Start difference. First operand 142 states and 145 transitions. Second operand 11 states. [2019-11-22 14:17:56,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:17:56,141 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2019-11-22 14:17:56,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 14:17:56,142 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2019-11-22 14:17:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:17:56,143 INFO L225 Difference]: With dead ends: 144 [2019-11-22 14:17:56,143 INFO L226 Difference]: Without dead ends: 142 [2019-11-22 14:17:56,143 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-22 14:17:56,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-22 14:17:56,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-22 14:17:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-22 14:17:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 144 transitions. [2019-11-22 14:17:56,148 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 144 transitions. Word has length 92 [2019-11-22 14:17:56,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:17:56,148 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 144 transitions. [2019-11-22 14:17:56,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 14:17:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2019-11-22 14:17:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-22 14:17:56,150 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:17:56,150 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] [2019-11-22 14:17:56,353 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:17:56,354 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 14:17:56,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:17:56,354 INFO L82 PathProgramCache]: Analyzing trace with hash -889618677, now seen corresponding path program 1 times [2019-11-22 14:17:56,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:17:56,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2106160889] [2019-11-22 14:17:56,356 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 14:17:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:17:57,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-22 14:17:57,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:17:57,055 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 14:17:57,056 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:17:57,057 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:17:57,057 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:17:57,058 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 14:17:57,551 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 14:17:57,551 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:17:58,056 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 14:17:58,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2106160889] [2019-11-22 14:17:58,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:17:58,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 18] imperfect sequences [] total 23 [2019-11-22 14:17:58,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272793493] [2019-11-22 14:17:58,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-22 14:17:58,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:17:58,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-22 14:17:58,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2019-11-22 14:17:58,060 INFO L87 Difference]: Start difference. First operand 142 states and 144 transitions. Second operand 24 states. [2019-11-22 14:18:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:18:00,157 INFO L93 Difference]: Finished difference Result 152 states and 153 transitions. [2019-11-22 14:18:00,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-22 14:18:00,157 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 107 [2019-11-22 14:18:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:18:00,159 INFO L225 Difference]: With dead ends: 152 [2019-11-22 14:18:00,160 INFO L226 Difference]: Without dead ends: 152 [2019-11-22 14:18:00,161 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 181 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2019-11-22 14:18:00,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-22 14:18:00,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 140. [2019-11-22 14:18:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-22 14:18:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 142 transitions. [2019-11-22 14:18:00,165 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 142 transitions. Word has length 107 [2019-11-22 14:18:00,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:18:00,166 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 142 transitions. [2019-11-22 14:18:00,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-22 14:18:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 142 transitions. [2019-11-22 14:18:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-22 14:18:00,167 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:18:00,167 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] [2019-11-22 14:18:00,372 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:18:00,372 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 14:18:00,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:18:00,373 INFO L82 PathProgramCache]: Analyzing trace with hash -889618676, now seen corresponding path program 1 times [2019-11-22 14:18:00,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:18:00,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2142067775] [2019-11-22 14:18:00,374 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 14:18:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:18:01,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 52 conjunts are in the unsatisfiable core [2019-11-22 14:18:01,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:18:01,136 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 14:18:01,136 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:01,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:18:01,143 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:01,143 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 14:18:02,184 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 14:18:02,184 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:18:04,971 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 14:18:04,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2142067775] [2019-11-22 14:18:04,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:18:04,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 20] imperfect sequences [] total 42 [2019-11-22 14:18:04,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350335066] [2019-11-22 14:18:04,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-22 14:18:04,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:18:04,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-22 14:18:04,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1685, Unknown=0, NotChecked=0, Total=1806 [2019-11-22 14:18:04,973 INFO L87 Difference]: Start difference. First operand 140 states and 142 transitions. Second operand 43 states. [2019-11-22 14:18:10,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:18:10,875 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2019-11-22 14:18:10,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-22 14:18:10,876 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 107 [2019-11-22 14:18:10,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:18:10,877 INFO L225 Difference]: With dead ends: 138 [2019-11-22 14:18:10,877 INFO L226 Difference]: Without dead ends: 138 [2019-11-22 14:18:10,878 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 164 SyntacticMatches, 8 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=176, Invalid=2374, Unknown=0, NotChecked=0, Total=2550 [2019-11-22 14:18:10,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-22 14:18:10,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-11-22 14:18:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-22 14:18:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 140 transitions. [2019-11-22 14:18:10,882 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 140 transitions. Word has length 107 [2019-11-22 14:18:10,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:18:10,883 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 140 transitions. [2019-11-22 14:18:10,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-22 14:18:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 140 transitions. [2019-11-22 14:18:10,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-22 14:18:10,884 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:18:10,884 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] [2019-11-22 14:18:11,090 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:18:11,090 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 14:18:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:18:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1613444290, now seen corresponding path program 1 times [2019-11-22 14:18:11,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:18:11,092 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [870085170] [2019-11-22 14:18:11,093 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 14:18:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:18:11,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-22 14:18:11,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:18:12,086 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 14:18:12,087 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:18:12,259 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 14:18:12,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [870085170] [2019-11-22 14:18:12,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 14:18:12,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20, 19] imperfect sequences [] total 20 [2019-11-22 14:18:12,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064665414] [2019-11-22 14:18:12,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-22 14:18:12,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 14:18:12,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-22 14:18:12,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2019-11-22 14:18:12,261 INFO L87 Difference]: Start difference. First operand 138 states and 140 transitions. Second operand 21 states. [2019-11-22 14:18:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 14:18:14,008 INFO L93 Difference]: Finished difference Result 137 states and 139 transitions. [2019-11-22 14:18:14,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 14:18:14,008 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 110 [2019-11-22 14:18:14,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 14:18:14,009 INFO L225 Difference]: With dead ends: 137 [2019-11-22 14:18:14,009 INFO L226 Difference]: Without dead ends: 137 [2019-11-22 14:18:14,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 193 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2019-11-22 14:18:14,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-22 14:18:14,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-22 14:18:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-22 14:18:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 139 transitions. [2019-11-22 14:18:14,013 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 139 transitions. Word has length 110 [2019-11-22 14:18:14,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 14:18:14,014 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 139 transitions. [2019-11-22 14:18:14,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-22 14:18:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 139 transitions. [2019-11-22 14:18:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-22 14:18:14,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 14:18:14,015 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] [2019-11-22 14:18:14,218 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:18:14,219 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 14:18:14,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 14:18:14,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1140166607, now seen corresponding path program 1 times [2019-11-22 14:18:14,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 14:18:14,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [317393364] [2019-11-22 14:18:14,221 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 14:18:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 14:18:15,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 133 conjunts are in the unsatisfiable core [2019-11-22 14:18:15,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 14:18:15,113 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 14:18:15,113 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,122 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:18:15,122 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,122 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-11-22 14:18:15,183 INFO L343 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2019-11-22 14:18:15,183 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 14:18:15,183 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,197 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:18:15,197 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,198 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2019-11-22 14:18:15,280 INFO L343 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2019-11-22 14:18:15,281 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 14:18:15,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,298 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:18:15,299 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,299 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2019-11-22 14:18:15,531 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2019-11-22 14:18:15,532 INFO L343 Elim1Store]: treesize reduction 32, result has 77.5 percent of original size [2019-11-22 14:18:15,533 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 14:18:15,534 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,640 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2019-11-22 14:18:15,641 INFO L567 ElimStorePlain]: treesize reduction 84, result has 35.9 percent of original size [2019-11-22 14:18:15,641 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:15,641 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2019-11-22 14:18:52,643 WARN L192 SmtUtils]: Spent 36.94 s on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2019-11-22 14:18:52,644 INFO L343 Elim1Store]: treesize reduction 65, result has 70.7 percent of original size [2019-11-22 14:18:52,644 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 14:18:52,646 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:54,835 WARN L192 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2019-11-22 14:18:54,835 INFO L567 ElimStorePlain]: treesize reduction 148, result has 28.5 percent of original size [2019-11-22 14:18:54,836 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:54,836 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-11-22 14:18:55,046 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 28 [2019-11-22 14:18:55,046 INFO L343 Elim1Store]: treesize reduction 246, result has 15.2 percent of original size [2019-11-22 14:18:55,047 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 14:18:55,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:55,089 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:18:55,090 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:55,090 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-11-22 14:18:55,632 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 69 [2019-11-22 14:18:55,633 INFO L343 Elim1Store]: treesize reduction 170, result has 57.2 percent of original size [2019-11-22 14:18:55,633 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 14:18:55,634 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:18:57,888 WARN L192 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-22 14:18:57,888 INFO L567 ElimStorePlain]: treesize reduction 174, result has 32.0 percent of original size [2019-11-22 14:18:57,889 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:18:57,889 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:82 [2019-11-22 14:20:11,966 WARN L192 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 163 DAG size of output: 98 [2019-11-22 14:20:11,967 INFO L343 Elim1Store]: treesize reduction 203, result has 60.7 percent of original size [2019-11-22 14:20:11,967 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 14:20:11,969 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:14,285 WARN L192 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2019-11-22 14:20:14,286 INFO L567 ElimStorePlain]: treesize reduction 304, result has 23.2 percent of original size [2019-11-22 14:20:14,286 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:14,287 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2019-11-22 14:20:14,734 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 43 [2019-11-22 14:20:14,735 INFO L343 Elim1Store]: treesize reduction 540, result has 11.6 percent of original size [2019-11-22 14:20:14,735 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 14:20:14,736 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:14,830 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:20:14,831 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:14,831 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:103 [2019-11-22 14:20:15,994 WARN L192 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2019-11-22 14:20:15,995 INFO L343 Elim1Store]: treesize reduction 416, result has 45.3 percent of original size [2019-11-22 14:20:15,995 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 14:20:15,996 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:16,295 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2019-11-22 14:20:16,295 INFO L567 ElimStorePlain]: treesize reduction 264, result has 30.0 percent of original size [2019-11-22 14:20:16,296 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:16,296 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:113 [2019-11-22 14:20:17,012 WARN L192 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 53 [2019-11-22 14:20:17,013 INFO L343 Elim1Store]: treesize reduction 796, result has 10.1 percent of original size [2019-11-22 14:20:17,013 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 14:20:17,014 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:17,100 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:20:17,100 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:17,100 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:125 [2019-11-22 14:20:18,705 WARN L192 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 339 DAG size of output: 119 [2019-11-22 14:20:18,706 INFO L343 Elim1Store]: treesize reduction 640, result has 39.7 percent of original size [2019-11-22 14:20:18,706 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 14:20:18,708 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:20:19,192 WARN L192 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 57 [2019-11-22 14:20:19,193 INFO L567 ElimStorePlain]: treesize reduction 324, result has 29.4 percent of original size [2019-11-22 14:20:19,193 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:20:19,194 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:139, output treesize:135 [2019-11-22 14:22:36,328 WARN L192 SmtUtils]: Spent 2.28 m on a formula simplification. DAG size of input: 393 DAG size of output: 168 [2019-11-22 14:22:36,329 INFO L343 Elim1Store]: treesize reduction 673, result has 46.0 percent of original size [2019-11-22 14:22:36,330 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 14:22:36,334 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:36,930 WARN L192 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 61 [2019-11-22 14:22:36,930 INFO L567 ElimStorePlain]: treesize reduction 564, result has 20.7 percent of original size [2019-11-22 14:22:36,931 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:36,931 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:147 [2019-11-22 14:22:37,215 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-11-22 14:22:38,221 WARN L192 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 68 [2019-11-22 14:22:38,221 INFO L343 Elim1Store]: treesize reduction 1270, result has 8.4 percent of original size [2019-11-22 14:22:38,222 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 14:22:38,222 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:38,351 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 14:22:38,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:38,352 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:38,352 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:158 [2019-11-22 14:22:38,653 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 14:22:39,771 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 512 DAG size of output: 73 [2019-11-22 14:22:39,772 INFO L343 Elim1Store]: treesize reduction 1452, result has 7.9 percent of original size [2019-11-22 14:22:39,772 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 14:22:39,780 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:39,950 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 14:22:39,950 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:39,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:39,951 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:173, output treesize:169 [2019-11-22 14:22:40,301 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 14:22:41,542 WARN L192 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 578 DAG size of output: 78 [2019-11-22 14:22:41,542 INFO L343 Elim1Store]: treesize reduction 1646, result has 7.5 percent of original size [2019-11-22 14:22:41,543 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 14:22:41,545 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:41,705 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 14:22:41,705 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:41,705 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:41,706 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2019-11-22 14:22:42,185 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 14:22:44,535 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 14:22:44,571 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:44,572 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 14:22:44,572 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:51 [2019-11-22 14:22:46,580 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 14:22:48,592 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 14:22:48,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,663 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,794 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:48,794 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 14:22:48,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,813 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,827 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,840 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,845 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,874 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,934 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,937 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,962 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:48,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,086 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,133 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,143 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:49,144 INFO L237 Elim1Store]: Index analysis took 190 ms [2019-11-22 14:22:49,148 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 284 treesize of output 136 [2019-11-22 14:22:49,149 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:49,333 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 14:22:49,333 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:49,334 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:49,418 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:49,418 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 14:22:49,419 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:156 [2019-11-22 14:22:52,581 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 14:22:52,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 14:22:52,600 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:52,601 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 14:22:52,602 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:52,722 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-11-22 14:22:52,722 INFO L567 ElimStorePlain]: treesize reduction 15, result has 89.4 percent of original size [2019-11-22 14:22:52,723 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:52,723 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:126 [2019-11-22 14:22:55,947 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:55,948 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 14:22:55,949 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:55,999 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:55,999 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 14:22:55,999 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:106 [2019-11-22 14:22:59,083 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-11-22 14:22:59,084 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:59,084 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 14:22:59,087 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 14:22:59,205 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-22 14:22:59,206 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:22:59,207 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 14:22:59,207 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:121 [2019-11-22 14:22:59,626 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-22 14:23:00,410 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 14:23:00,410 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 14:23:02,946 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 14:23:02,949 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:23:02,949 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 14:23:02,949 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:10 [2019-11-22 14:23:03,673 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 14:23:03,697 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:23:03,698 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 14:23:03,698 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2019-11-22 14:23:07,152 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 14:23:07,161 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:23:07,162 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 14:23:07,162 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:33 [2019-11-22 14:23:08,425 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 14:23:08,436 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 14:23:08,491 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 14:23:08,492 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-22 14:23:08,493 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:109 [2019-11-22 14:23:10,415 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-11-22 14:23:10,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 14:23:10,627 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 14:23:10,628 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) 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:419) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 14:23:10,634 INFO L168 Benchmark]: Toolchain (without parser) took 366114.62 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 420.0 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -202.1 MB). Peak memory consumption was 217.9 MB. Max. memory is 11.5 GB. [2019-11-22 14:23:10,634 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 14:23:10,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-22 14:23:10,635 INFO L168 Benchmark]: Boogie Preprocessor took 105.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-22 14:23:10,635 INFO L168 Benchmark]: RCFGBuilder took 1442.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2019-11-22 14:23:10,637 INFO L168 Benchmark]: TraceAbstraction took 363637.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -152.8 MB). Peak memory consumption was 103.5 MB. Max. memory is 11.5 GB. [2019-11-22 14:23:10,639 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 925.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.01 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1442.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363637.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -152.8 MB). Peak memory consumption was 103.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) 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...