./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2e8cde882f52cb03ff4f3b61f5f3fe313955f91 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2e8cde882f52cb03ff4f3b61f5f3fe313955f91 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:55:11,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:55:11,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:55:11,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:55:11,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:55:11,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:55:11,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:55:11,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:55:11,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:55:11,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:55:11,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:55:11,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:55:11,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:55:11,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:55:11,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:55:11,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:55:11,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:55:11,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:55:11,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:55:11,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:55:11,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:55:11,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:55:11,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:55:11,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:55:11,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:55:11,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:55:11,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:55:11,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:55:11,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:55:11,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:55:11,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:55:11,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:55:11,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:55:11,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:55:11,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:55:11,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:55:11,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:55:11,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:55:11,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:55:11,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:55:11,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:55:11,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 15:55:11,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:55:11,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:55:11,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:55:11,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:55:11,421 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:55:11,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:55:11,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:55:11,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:55:11,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:55:11,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:55:11,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:55:11,422 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 15:55:11,422 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 15:55:11,422 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 15:55:11,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:55:11,423 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:55:11,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:55:11,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:55:11,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:55:11,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:55:11,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:55:11,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:55:11,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:55:11,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:55:11,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:55:11,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:55:11,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:55:11,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:55:11,425 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2e8cde882f52cb03ff4f3b61f5f3fe313955f91 [2019-12-07 15:55:11,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:55:11,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:55:11,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:55:11,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:55:11,548 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:55:11,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2019-12-07 15:55:11,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/067098fa2/8375c2f51a5b43008c274fafac0a430c/FLAG39c757ef7 [2019-12-07 15:55:11,966 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:55:11,967 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2019-12-07 15:55:11,978 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/067098fa2/8375c2f51a5b43008c274fafac0a430c/FLAG39c757ef7 [2019-12-07 15:55:11,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/067098fa2/8375c2f51a5b43008c274fafac0a430c [2019-12-07 15:55:11,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:55:11,990 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 15:55:11,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:11,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:55:11,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:55:11,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:11" (1/1) ... [2019-12-07 15:55:11,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e739d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:11, skipping insertion in model container [2019-12-07 15:55:11,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:11" (1/1) ... [2019-12-07 15:55:12,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:55:12,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:55:12,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:12,318 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) [2019-12-07 15:55:12,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d65306b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:12, skipping insertion in model container [2019-12-07 15:55:12,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:12,319 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 15:55:12,321 INFO L168 Benchmark]: Toolchain (without parser) took 330.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:12,321 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:55:12,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:55:12,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 15:55:13,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:55:13,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:55:13,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:55:13,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:55:13,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:55:13,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:55:13,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:55:13,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:55:13,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:55:13,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:55:13,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:55:13,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:55:13,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:55:13,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:55:13,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:55:13,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:55:13,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:55:13,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:55:13,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:55:13,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:55:13,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:55:13,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:55:13,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:55:13,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:55:13,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:55:13,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:55:13,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:55:13,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:55:13,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:55:13,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:55:13,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:55:13,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:55:13,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:55:13,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:55:13,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:55:13,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:55:13,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:55:13,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:55:13,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:55:13,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:55:13,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-12-07 15:55:13,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:55:13,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:55:13,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:55:13,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:55:13,486 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:55:13,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:55:13,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:55:13,486 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:55:13,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:55:13,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:55:13,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:55:13,487 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 15:55:13,487 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 15:55:13,487 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 15:55:13,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:55:13,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:55:13,488 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:55:13,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:55:13,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:55:13,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:55:13,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:55:13,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:55:13,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:55:13,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:55:13,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:55:13,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:55:13,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:55:13,489 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 15:55:13,489 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:55:13,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:55:13,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:55:13,489 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2e8cde882f52cb03ff4f3b61f5f3fe313955f91 [2019-12-07 15:55:13,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:55:13,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:55:13,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:55:13,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:55:13,666 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:55:13,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2019-12-07 15:55:13,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/bed4dbdc5/c79e7bfe497e4c7ca4f99ea2967659a1/FLAGc692ff02a [2019-12-07 15:55:14,107 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:55:14,108 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1.i [2019-12-07 15:55:14,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/bed4dbdc5/c79e7bfe497e4c7ca4f99ea2967659a1/FLAGc692ff02a [2019-12-07 15:55:14,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/data/bed4dbdc5/c79e7bfe497e4c7ca4f99ea2967659a1 [2019-12-07 15:55:14,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:55:14,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 15:55:14,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:14,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:55:14,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:55:14,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231d58f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14, skipping insertion in model container [2019-12-07 15:55:14,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:55:14,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:55:14,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:14,477 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:55:14,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:55:14,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:14,526 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:55:14,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:55:14,625 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:55:14,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14 WrapperNode [2019-12-07 15:55:14,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:55:14,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:55:14,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:55:14,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:55:14,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... [2019-12-07 15:55:14,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:55:14,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:55:14,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:55:14,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:55:14,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:55:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-12-07 15:55:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-12-07 15:55:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-12-07 15:55:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-12-07 15:55:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-07 15:55:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 15:55:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 15:55:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 15:55:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 15:55:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 15:55:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 15:55:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 15:55:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 15:55:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 15:55:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 15:55:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 15:55:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 15:55:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 15:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-12-07 15:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 15:55:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 15:55:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-12-07 15:55:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-12-07 15:55:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-12-07 15:55:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 15:55:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-12-07 15:55:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-12-07 15:55:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-12-07 15:55:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 15:55:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-12-07 15:55:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-12-07 15:55:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-12-07 15:55:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-12-07 15:55:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-07 15:55:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-12-07 15:55:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:55:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-12-07 15:55:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-12-07 15:55:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-12-07 15:55:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-12-07 15:55:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-12-07 15:55:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-12-07 15:55:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-12-07 15:55:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-12-07 15:55:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-12-07 15:55:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-12-07 15:55:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-12-07 15:55:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-12-07 15:55:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 15:55:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 15:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 15:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 15:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 15:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 15:55:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 15:55:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 15:55:15,119 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 15:55:15,356 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 15:55:15,582 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:55:15,582 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-12-07 15:55:15,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:55:15 BoogieIcfgContainer [2019-12-07 15:55:15,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:55:15,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:55:15,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:55:15,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:55:15,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:55:14" (1/3) ... [2019-12-07 15:55:15,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22884d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:55:15, skipping insertion in model container [2019-12-07 15:55:15,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:55:14" (2/3) ... [2019-12-07 15:55:15,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22884d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:55:15, skipping insertion in model container [2019-12-07 15:55:15,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:55:15" (3/3) ... [2019-12-07 15:55:15,590 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1.i [2019-12-07 15:55:15,597 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:55:15,602 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-12-07 15:55:15,610 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-12-07 15:55:15,622 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:55:15,622 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 15:55:15,622 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:55:15,622 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:55:15,622 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:55:15,622 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:55:15,623 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:55:15,623 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:55:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 15:55:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 15:55:15,641 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:15,642 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:55:15,642 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]=== [2019-12-07 15:55:15,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:15,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1239054828, now seen corresponding path program 1 times [2019-12-07 15:55:15,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:55:15,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913207616] [2019-12-07 15:55:15,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 15:55:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:15,807 INFO L264 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 15:55:15,812 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:15,898 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-12-07 15:55:15,899 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-12-07 15:55:15,899 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:15,925 INFO L614 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-12-07 15:55:15,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:15,928 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:55:15,929 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-12-07 15:55:15,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:15,958 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-12-07 15:55:15,958 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:15,960 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:15,960 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:55:15,960 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-12-07 15:55:16,002 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:16,002 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 39 [2019-12-07 15:55:16,003 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:16,022 INFO L614 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-12-07 15:55:16,023 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:55:16,023 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-12-07 15:55:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:16,091 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:16,286 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913207616] [2019-12-07 15:55:16,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:16,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 15:55:16,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39935364] [2019-12-07 15:55:16,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 15:55:16,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:55:16,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 15:55:16,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2019-12-07 15:55:16,301 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 13 states. [2019-12-07 15:55:17,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:17,028 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2019-12-07 15:55:17,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:55:17,029 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 17 [2019-12-07 15:55:17,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:17,036 INFO L225 Difference]: With dead ends: 67 [2019-12-07 15:55:17,037 INFO L226 Difference]: Without dead ends: 61 [2019-12-07 15:55:17,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2019-12-07 15:55:17,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-12-07 15:55:17,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-12-07 15:55:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-12-07 15:55:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2019-12-07 15:55:17,066 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2019-12-07 15:55:17,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:17,066 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2019-12-07 15:55:17,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 15:55:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2019-12-07 15:55:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 15:55:17,067 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:17,067 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:55:17,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:55:17,269 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]=== [2019-12-07 15:55:17,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:17,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1239054827, now seen corresponding path program 1 times [2019-12-07 15:55:17,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:55:17,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943953556] [2019-12-07 15:55:17,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 15:55:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:17,382 INFO L264 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjunts are in the unsatisfiable core [2019-12-07 15:55:17,385 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:17,432 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-12-07 15:55:17,432 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-12-07 15:55:17,433 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,469 INFO L614 ElimStorePlain]: treesize reduction 10, result has 77.8 percent of original size [2019-12-07 15:55:17,481 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-12-07 15:55:17,481 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 1 case distinctions, treesize of input 9 treesize of output 11 [2019-12-07 15:55:17,481 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,494 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:17,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,495 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:55:17,496 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:36 [2019-12-07 15:55:17,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,541 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:17,575 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:17,576 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-12-07 15:55:17,577 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,589 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:17,589 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-12-07 15:55:17,589 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,599 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:17,599 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-12-07 15:55:17,600 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,650 INFO L614 ElimStorePlain]: treesize reduction 32, result has 60.5 percent of original size [2019-12-07 15:55:17,658 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:17,658 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2019-12-07 15:55:17,659 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,661 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-12-07 15:55:17,661 INFO L534 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,666 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:17,666 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:55:17,666 INFO L239 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:117, output treesize:10 [2019-12-07 15:55:19,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:19,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:55:19,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:55:19,728 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:19,729 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 34 [2019-12-07 15:55:19,729 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:19,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:55:19,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:55:19,753 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:19,754 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 34 [2019-12-07 15:55:19,754 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:19,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:55:19,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:55:19,770 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:19,771 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 32 [2019-12-07 15:55:19,771 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:19,857 INFO L614 ElimStorePlain]: treesize reduction 73, result has 53.5 percent of original size [2019-12-07 15:55:19,879 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:19,879 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 36 [2019-12-07 15:55:19,880 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:19,918 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:19,919 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 25 treesize of output 65 [2019-12-07 15:55:19,919 INFO L534 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:19,989 INFO L614 ElimStorePlain]: treesize reduction 8, result has 88.1 percent of original size [2019-12-07 15:55:19,990 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-12-07 15:55:19,990 INFO L239 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:134, output treesize:33 [2019-12-07 15:55:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:20,044 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:20,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:55:20,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:55:20,522 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 15:55:20,944 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-12-07 15:55:20,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 15:55:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:21,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943953556] [2019-12-07 15:55:21,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:21,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-12-07 15:55:21,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741211329] [2019-12-07 15:55:21,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 15:55:21,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:55:21,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 15:55:21,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=143, Unknown=1, NotChecked=0, Total=182 [2019-12-07 15:55:21,545 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 14 states. [2019-12-07 15:55:46,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:46,475 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2019-12-07 15:55:46,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:55:46,476 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2019-12-07 15:55:46,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:46,477 INFO L225 Difference]: With dead ends: 60 [2019-12-07 15:55:46,477 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 15:55:46,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 10 SyntacticMatches, 11 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=95, Invalid=246, Unknown=1, NotChecked=0, Total=342 [2019-12-07 15:55:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 15:55:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 15:55:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 15:55:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-12-07 15:55:46,485 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2019-12-07 15:55:46,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:46,485 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-12-07 15:55:46,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 15:55:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-12-07 15:55:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 15:55:46,486 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:46,487 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] [2019-12-07 15:55:46,687 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:55:46,688 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]=== [2019-12-07 15:55:46,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:46,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1733078590, now seen corresponding path program 1 times [2019-12-07 15:55:46,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:55:46,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685399102] [2019-12-07 15:55:46,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 15:55:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:46,829 INFO L264 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 15:55:46,830 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:46,851 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-12-07 15:55:46,852 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:46,856 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:46,856 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:55:46,857 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:7 [2019-12-07 15:55:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:46,880 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:46,887 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:46,887 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2019-12-07 15:55:46,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:55:46,888 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:46,890 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:46,890 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:55:46,890 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2019-12-07 15:55:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:46,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685399102] [2019-12-07 15:55:46,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:46,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-12-07 15:55:46,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808614797] [2019-12-07 15:55:46,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:55:46,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:55:46,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:55:46,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:55:46,901 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 8 states. [2019-12-07 15:55:47,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:55:47,194 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2019-12-07 15:55:47,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:55:47,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-12-07 15:55:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:55:47,196 INFO L225 Difference]: With dead ends: 78 [2019-12-07 15:55:47,196 INFO L226 Difference]: Without dead ends: 78 [2019-12-07 15:55:47,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:55:47,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-12-07 15:55:47,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 59. [2019-12-07 15:55:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 15:55:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2019-12-07 15:55:47,202 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 20 [2019-12-07 15:55:47,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:55:47,202 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2019-12-07 15:55:47,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:55:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2019-12-07 15:55:47,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 15:55:47,203 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:55:47,203 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] [2019-12-07 15:55:47,404 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:55:47,405 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]=== [2019-12-07 15:55:47,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:55:47,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1733078589, now seen corresponding path program 1 times [2019-12-07 15:55:47,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:55:47,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394546686] [2019-12-07 15:55:47,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 15:55:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:55:47,551 INFO L264 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 50 conjunts are in the unsatisfiable core [2019-12-07 15:55:47,553 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:55:47,602 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-12-07 15:55:47,603 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-12-07 15:55:47,603 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,645 INFO L614 ElimStorePlain]: treesize reduction 10, result has 83.1 percent of original size [2019-12-07 15:55:47,660 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-12-07 15:55:47,661 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 1 case distinctions, treesize of input 9 treesize of output 11 [2019-12-07 15:55:47,661 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,680 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:47,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,681 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:55:47,681 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:50 [2019-12-07 15:55:47,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:47,771 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:47,771 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2019-12-07 15:55:47,772 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 15:55:47,790 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:47,791 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 30 [2019-12-07 15:55:47,791 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,800 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:47,800 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2019-12-07 15:55:47,800 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,879 INFO L614 ElimStorePlain]: treesize reduction 43, result has 62.3 percent of original size [2019-12-07 15:55:47,887 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:47,887 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-12-07 15:55:47,888 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,890 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-12-07 15:55:47,890 INFO L534 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,899 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:47,899 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:55:47,899 INFO L239 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:157, output treesize:24 [2019-12-07 15:55:49,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:55:49,981 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:49,982 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 36 [2019-12-07 15:55:49,982 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:49,990 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 15:55:49,994 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 15:55:49,998 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:49,998 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2019-12-07 15:55:49,999 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:50,040 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:50,040 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 25 treesize of output 65 [2019-12-07 15:55:50,041 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:50,174 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-12-07 15:55:50,174 INFO L614 ElimStorePlain]: treesize reduction 8, result has 91.6 percent of original size [2019-12-07 15:55:50,194 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:50,195 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 30 [2019-12-07 15:55:50,195 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:50,211 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:50,211 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 32 [2019-12-07 15:55:50,212 INFO L534 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:50,424 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-12-07 15:55:50,424 INFO L614 ElimStorePlain]: treesize reduction 20, result has 81.0 percent of original size [2019-12-07 15:55:50,426 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-12-07 15:55:50,426 INFO L239 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:170, output treesize:59 [2019-12-07 15:55:50,547 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-12-07 15:55:50,548 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:50,555 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:50,557 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-12-07 15:55:50,557 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:55:50,562 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:55:50,562 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:55:50,562 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:9 [2019-12-07 15:55:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:50,626 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:55:51,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:55:51,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:55:51,498 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 15:55:52,048 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-12-07 15:55:52,051 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 15:55:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:55:53,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394546686] [2019-12-07 15:55:53,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:55:53,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 19 [2019-12-07 15:55:53,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990751641] [2019-12-07 15:55:53,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-12-07 15:55:53,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:55:53,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-12-07 15:55:53,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=326, Unknown=1, NotChecked=0, Total=380 [2019-12-07 15:55:53,229 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 20 states. [2019-12-07 15:56:21,048 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-12-07 15:56:23,811 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-12-07 15:56:42,483 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-07 15:56:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:42,642 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2019-12-07 15:56:42,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-07 15:56:42,643 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 20 [2019-12-07 15:56:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:42,644 INFO L225 Difference]: With dead ends: 77 [2019-12-07 15:56:42,644 INFO L226 Difference]: Without dead ends: 77 [2019-12-07 15:56:42,645 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 10 SyntacticMatches, 11 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=237, Invalid=884, Unknown=1, NotChecked=0, Total=1122 [2019-12-07 15:56:42,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-12-07 15:56:42,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 58. [2019-12-07 15:56:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 15:56:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2019-12-07 15:56:42,649 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 20 [2019-12-07 15:56:42,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:42,649 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2019-12-07 15:56:42,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-12-07 15:56:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2019-12-07 15:56:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:56:42,650 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:42,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:56:42,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:56:42,852 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]=== [2019-12-07 15:56:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:42,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1106040363, now seen corresponding path program 1 times [2019-12-07 15:56:42,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:42,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971243663] [2019-12-07 15:56:42,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:42,991 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:56:42,992 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:43,004 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:43,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971243663] [2019-12-07 15:56:43,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:43,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:56:43,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020595643] [2019-12-07 15:56:43,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:56:43,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:43,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:56:43,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:56:43,049 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 5 states. [2019-12-07 15:56:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:43,060 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2019-12-07 15:56:43,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:56:43,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-12-07 15:56:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:43,061 INFO L225 Difference]: With dead ends: 58 [2019-12-07 15:56:43,061 INFO L226 Difference]: Without dead ends: 58 [2019-12-07 15:56:43,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:56:43,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-07 15:56:43,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-12-07 15:56:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 15:56:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-12-07 15:56:43,067 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 19 [2019-12-07 15:56:43,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:43,067 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-12-07 15:56:43,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:56:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-12-07 15:56:43,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:56:43,068 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:43,068 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:56:43,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:56:43,270 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]=== [2019-12-07 15:56:43,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:43,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1302553868, now seen corresponding path program 1 times [2019-12-07 15:56:43,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:43,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473775328] [2019-12-07 15:56:43,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:43,393 INFO L264 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 15:56:43,395 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:43,427 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-12-07 15:56:43,427 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-12-07 15:56:43,427 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:43,444 INFO L614 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-12-07 15:56:43,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:56:43,445 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:43,445 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-12-07 15:56:43,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:56:43,460 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-12-07 15:56:43,460 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:43,461 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:43,462 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:56:43,462 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-12-07 15:56:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:43,477 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:43,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:43,513 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-12-07 15:56:43,513 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:43,516 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:43,516 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:56:43,516 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2019-12-07 15:56:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:43,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473775328] [2019-12-07 15:56:43,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:43,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2019-12-07 15:56:43,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644151906] [2019-12-07 15:56:43,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 15:56:43,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:43,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 15:56:43,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 15:56:43,529 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 7 states. [2019-12-07 15:56:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:43,704 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2019-12-07 15:56:43,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:56:43,704 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-12-07 15:56:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:43,705 INFO L225 Difference]: With dead ends: 56 [2019-12-07 15:56:43,705 INFO L226 Difference]: Without dead ends: 56 [2019-12-07 15:56:43,705 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:56:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-12-07 15:56:43,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-12-07 15:56:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 15:56:43,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2019-12-07 15:56:43,709 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 19 [2019-12-07 15:56:43,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:43,709 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2019-12-07 15:56:43,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 15:56:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2019-12-07 15:56:43,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:56:43,709 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:43,709 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:56:43,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 15:56:43,910 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]=== [2019-12-07 15:56:43,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:43,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1302553867, now seen corresponding path program 1 times [2019-12-07 15:56:43,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:43,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143653646] [2019-12-07 15:56:43,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:44,048 INFO L264 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 15:56:44,049 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:44,062 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-12-07 15:56:44,062 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 1 case distinctions, treesize of input 9 treesize of output 11 [2019-12-07 15:56:44,062 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:44,068 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:44,068 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:44,068 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:14 [2019-12-07 15:56:44,081 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-12-07 15:56:44,082 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:44,085 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:44,085 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:56:44,086 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2019-12-07 15:56:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:44,118 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:44,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:56:44,340 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2019-12-07 15:56:44,341 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:44,359 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:44,360 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:44,360 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:28 [2019-12-07 15:56:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:44,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143653646] [2019-12-07 15:56:44,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:44,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-12-07 15:56:44,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322901798] [2019-12-07 15:56:44,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 15:56:44,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:44,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 15:56:44,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:56:44,432 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 10 states. [2019-12-07 15:56:45,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:45,362 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2019-12-07 15:56:45,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:56:45,362 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-12-07 15:56:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:45,363 INFO L225 Difference]: With dead ends: 80 [2019-12-07 15:56:45,363 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 15:56:45,363 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:56:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 15:56:45,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2019-12-07 15:56:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-12-07 15:56:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-12-07 15:56:45,366 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2019-12-07 15:56:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:45,366 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2019-12-07 15:56:45,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 15:56:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2019-12-07 15:56:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 15:56:45,367 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:45,367 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] [2019-12-07 15:56:45,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 15:56:45,568 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]=== [2019-12-07 15:56:45,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:45,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2109138627, now seen corresponding path program 1 times [2019-12-07 15:56:45,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:45,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050079419] [2019-12-07 15:56:45,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:45,710 INFO L264 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 15:56:45,711 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:45,713 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 [2019-12-07 15:56:45,714 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:45,715 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:45,715 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:56:45,715 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-07 15:56:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:45,753 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:45,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050079419] [2019-12-07 15:56:45,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:45,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-12-07 15:56:45,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581490048] [2019-12-07 15:56:45,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 15:56:45,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:45,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 15:56:45,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:56:45,775 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2019-12-07 15:56:46,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:46,041 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2019-12-07 15:56:46,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:56:46,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-12-07 15:56:46,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:46,042 INFO L225 Difference]: With dead ends: 64 [2019-12-07 15:56:46,042 INFO L226 Difference]: Without dead ends: 64 [2019-12-07 15:56:46,042 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:56:46,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-12-07 15:56:46,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-12-07 15:56:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 15:56:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-12-07 15:56:46,046 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2019-12-07 15:56:46,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:46,046 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-12-07 15:56:46,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 15:56:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-12-07 15:56:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 15:56:46,046 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:46,046 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] [2019-12-07 15:56:46,247 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 15:56:46,248 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]=== [2019-12-07 15:56:46,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:46,248 INFO L82 PathProgramCache]: Analyzing trace with hash 2109138628, now seen corresponding path program 1 times [2019-12-07 15:56:46,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:46,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745224237] [2019-12-07 15:56:46,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:46,427 INFO L264 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-07 15:56:46,428 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:46,434 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 [2019-12-07 15:56:46,434 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:46,440 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:46,440 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:56:46,441 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-12-07 15:56:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:46,525 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:47,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:47,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745224237] [2019-12-07 15:56:47,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:47,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2019-12-07 15:56:47,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840507963] [2019-12-07 15:56:47,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 15:56:47,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:47,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 15:56:47,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2019-12-07 15:56:47,143 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 18 states. [2019-12-07 15:56:48,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:48,032 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2019-12-07 15:56:48,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 15:56:48,033 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21 [2019-12-07 15:56:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:48,034 INFO L225 Difference]: With dead ends: 62 [2019-12-07 15:56:48,034 INFO L226 Difference]: Without dead ends: 62 [2019-12-07 15:56:48,034 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2019-12-07 15:56:48,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-12-07 15:56:48,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-12-07 15:56:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 15:56:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-12-07 15:56:48,037 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2019-12-07 15:56:48,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:48,037 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-12-07 15:56:48,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 15:56:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-12-07 15:56:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 15:56:48,038 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:48,038 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] [2019-12-07 15:56:48,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 15:56:48,239 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]=== [2019-12-07 15:56:48,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:48,239 INFO L82 PathProgramCache]: Analyzing trace with hash -2056745950, now seen corresponding path program 1 times [2019-12-07 15:56:48,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:48,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858713379] [2019-12-07 15:56:48,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:48,334 INFO L264 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:56:48,335 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:48,351 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:48,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858713379] [2019-12-07 15:56:48,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:48,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:56:48,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191367292] [2019-12-07 15:56:48,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:56:48,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:48,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:56:48,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:56:48,373 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2019-12-07 15:56:48,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:48,380 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2019-12-07 15:56:48,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:56:48,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-12-07 15:56:48,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:48,380 INFO L225 Difference]: With dead ends: 48 [2019-12-07 15:56:48,380 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 15:56:48,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:56:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 15:56:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 15:56:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 15:56:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2019-12-07 15:56:48,382 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2019-12-07 15:56:48,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:48,383 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2019-12-07 15:56:48,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:56:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2019-12-07 15:56:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 15:56:48,383 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:48,383 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] [2019-12-07 15:56:48,584 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 15:56:48,584 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]=== [2019-12-07 15:56:48,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:48,585 INFO L82 PathProgramCache]: Analyzing trace with hash -342340858, now seen corresponding path program 1 times [2019-12-07 15:56:48,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:48,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864788699] [2019-12-07 15:56:48,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:48,699 INFO L264 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:56:48,700 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:48,712 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:48,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864788699] [2019-12-07 15:56:48,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:48,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 15:56:48,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994357024] [2019-12-07 15:56:48,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:56:48,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:48,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:56:48,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:56:48,717 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 5 states. [2019-12-07 15:56:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:48,810 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-12-07 15:56:48,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:56:48,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 15:56:48,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:48,810 INFO L225 Difference]: With dead ends: 43 [2019-12-07 15:56:48,810 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 15:56:48,811 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:56:48,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 15:56:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 15:56:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 15:56:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-12-07 15:56:48,812 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2019-12-07 15:56:48,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:48,812 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-12-07 15:56:48,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:56:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-12-07 15:56:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 15:56:48,813 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:48,813 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] [2019-12-07 15:56:49,013 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 15:56:49,014 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]=== [2019-12-07 15:56:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:49,014 INFO L82 PathProgramCache]: Analyzing trace with hash -342340857, now seen corresponding path program 1 times [2019-12-07 15:56:49,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:49,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024089380] [2019-12-07 15:56:49,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:49,153 INFO L264 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 15:56:49,154 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:49,220 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:49,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:49,368 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2019-12-07 15:56:49,368 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:49,383 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:49,383 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:49,383 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:12 [2019-12-07 15:56:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:49,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024089380] [2019-12-07 15:56:49,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:49,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-12-07 15:56:49,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752267117] [2019-12-07 15:56:49,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 15:56:49,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:49,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 15:56:49,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:56:49,544 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 14 states. [2019-12-07 15:56:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:49,954 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-12-07 15:56:49,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:56:49,956 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23 [2019-12-07 15:56:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:49,956 INFO L225 Difference]: With dead ends: 42 [2019-12-07 15:56:49,956 INFO L226 Difference]: Without dead ends: 42 [2019-12-07 15:56:49,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2019-12-07 15:56:49,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-12-07 15:56:49,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-12-07 15:56:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-07 15:56:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2019-12-07 15:56:49,959 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2019-12-07 15:56:49,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:49,959 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2019-12-07 15:56:49,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 15:56:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2019-12-07 15:56:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:56:49,960 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:49,960 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] [2019-12-07 15:56:50,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 15:56:50,161 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]=== [2019-12-07 15:56:50,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:50,162 INFO L82 PathProgramCache]: Analyzing trace with hash 891555764, now seen corresponding path program 1 times [2019-12-07 15:56:50,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:50,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555002997] [2019-12-07 15:56:50,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:50,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 15:56:50,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:50,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:50,420 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:50,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:50,634 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2019-12-07 15:56:50,635 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:50,650 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:50,650 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:50,650 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:12 [2019-12-07 15:56:50,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:50,898 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:50,898 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2019-12-07 15:56:50,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:50,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:50,899 INFO L534 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:50,932 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:50,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:50,933 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:50,933 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:30 [2019-12-07 15:56:50,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:51,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555002997] [2019-12-07 15:56:51,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:56:51,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 14 [2019-12-07 15:56:51,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555014610] [2019-12-07 15:56:51,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 15:56:51,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:56:51,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 15:56:51,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:56:51,018 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 15 states. [2019-12-07 15:56:51,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:56:51,628 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2019-12-07 15:56:51,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:56:51,630 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 33 [2019-12-07 15:56:51,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:56:51,630 INFO L225 Difference]: With dead ends: 41 [2019-12-07 15:56:51,630 INFO L226 Difference]: Without dead ends: 41 [2019-12-07 15:56:51,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2019-12-07 15:56:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-12-07 15:56:51,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-12-07 15:56:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-12-07 15:56:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2019-12-07 15:56:51,632 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 33 [2019-12-07 15:56:51,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:56:51,633 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2019-12-07 15:56:51,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 15:56:51,633 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2019-12-07 15:56:51,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 15:56:51,633 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:56:51,633 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] [2019-12-07 15:56:51,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 15:56:51,834 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]=== [2019-12-07 15:56:51,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:56:51,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1868424939, now seen corresponding path program 1 times [2019-12-07 15:56:51,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:56:51,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247171510] [2019-12-07 15:56:51,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 15:56:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:56:52,022 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 35 conjunts are in the unsatisfiable core [2019-12-07 15:56:52,024 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:56:52,039 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-12-07 15:56:52,039 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:52,047 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:52,049 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-12-07 15:56:52,049 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:52,054 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:52,054 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:56:52,055 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:10 [2019-12-07 15:56:52,209 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-12-07 15:56:52,209 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:52,218 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:52,220 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-12-07 15:56:52,220 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:52,226 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:52,227 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:56:52,227 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:11 [2019-12-07 15:56:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:56:52,317 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:56:52,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:52,762 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:52,762 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2019-12-07 15:56:52,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:52,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:52,763 INFO L534 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:52,779 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2019-12-07 15:56:52,779 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:52,821 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:52,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:52,822 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-12-07 15:56:52,822 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:47 [2019-12-07 15:56:52,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,198 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2019-12-07 15:56:53,371 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:53,371 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2019-12-07 15:56:53,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,372 INFO L534 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:53,387 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:53,387 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2019-12-07 15:56:53,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,388 INFO L534 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:53,486 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:53,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,487 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-12-07 15:56:53,488 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:96, output treesize:104 [2019-12-07 15:56:53,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,972 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2019-12-07 15:56:53,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-12-07 15:56:53,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:53,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,000 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:56:54,000 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:54,018 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:56:54,018 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:54,075 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:56:54,075 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:54,090 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:56:54,090 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:54,188 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:54,788 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 33 [2019-12-07 15:56:54,859 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:54,859 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2019-12-07 15:56:54,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,860 INFO L534 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:54,879 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:54,880 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2019-12-07 15:56:54,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,881 INFO L534 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:56:54,994 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-07 15:56:54,994 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:54,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,995 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-12-07 15:56:54,995 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:96, output treesize:104 [2019-12-07 15:56:54,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:54,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:55,447 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-12-07 15:56:55,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-12-07 15:56:55,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:55,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:56:55,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-12-07 15:56:55,496 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:56:55,496 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:55,517 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:56:55,518 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:55,534 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:56:55,534 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:55,549 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:56:55,549 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:55,606 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:55,615 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (bvadd |c_~#global_list_13~0.offset| (_ bv8 32)))) (let ((.cse0 (forall ((|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_5| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (exists ((v_prenex_16 (_ BitVec 32))) (and (not (bvule (bvadd |c_~#global_list_13~0.offset| (_ bv8 32)) v_prenex_16)) (bvule (bvadd (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_5| |c_~#global_list_13~0.base|) |c_~#global_list_13~0.offset|) (_ bv8 32)) v_prenex_16))))) (.cse1 (forall ((|v_old(#memory_$Pointer$.base)_BEFORE_CALL_5| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (not (= |c_~#global_list_13~0.base| (select (select |v_old(#memory_$Pointer$.base)_BEFORE_CALL_5| |c_~#global_list_13~0.base|) |c_~#global_list_13~0.offset|))))) (.cse2 (bvule .cse5 (select |c_#length| |c_~#global_list_13~0.base|))) (.cse3 (exists ((v_arrayElimCell_75 (_ BitVec 32))) (and (not (bvule (bvadd |c_~#global_list_13~0.offset| (_ bv8 32)) v_arrayElimCell_75)) (bvule (bvadd |c___ldv_list_add_#in~next.offset| (_ bv8 32)) v_arrayElimCell_75)))) (.cse4 (not (bvule (bvadd |c_~#global_list_13~0.offset| (_ bv4 32)) .cse5)))) (and (or .cse0 .cse1 .cse2 .cse3 (exists ((v_arrayElimCell_75 (_ BitVec 32))) (not (bvule (bvadd |c_~#global_list_13~0.offset| (_ bv8 32)) v_arrayElimCell_75))) .cse4) (or (forall ((|v_old(#memory_$Pointer$.offset)_BEFORE_CALL_5| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (or (exists ((v_prenex_16 (_ BitVec 32))) (and (not (bvule (bvadd |c_~#global_list_13~0.offset| (_ bv8 32)) v_prenex_16)) (bvule (bvadd (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_5| |c_~#global_list_13~0.base|) |c_~#global_list_13~0.offset|) (_ bv8 32)) v_prenex_16))) (forall ((v_arrayElimCell_69 (_ BitVec 32))) (or (bvule (bvadd |c_~#global_list_13~0.offset| (_ bv8 32)) v_arrayElimCell_69) (not (bvule (bvadd (select (select |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_5| |c_~#global_list_13~0.base|) |c_~#global_list_13~0.offset|) (_ bv8 32)) v_arrayElimCell_69)))))) .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse3 (exists ((v_arrayElimCell_74 (_ BitVec 32))) (bvule (bvadd |c___ldv_list_add_#in~next.offset| (_ bv8 32)) v_arrayElimCell_74)) .cse4) (or (not (= |c_~#global_list_13~0.base| |c___ldv_list_add_#in~next.base|)) .cse0 .cse1 .cse2 .cse3 .cse4)))) is different from false [2019-12-07 15:56:55,673 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:56:55,673 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:55,697 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:56:55,697 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:56:56,489 WARN L192 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-12-07 15:56:56,489 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:56:56,490 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 14 xjuncts. [2019-12-07 15:56:56,490 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:598, output treesize:582 [2019-12-07 15:56:56,491 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-12-07 15:56:56,582 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 21546 conjuctions. This might take some time... [2019-12-07 15:56:57,683 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 258 conjuctions. [2019-12-07 15:56:57,714 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 256 [2019-12-07 15:57:26,038 WARN L177 XnfTransformerHelper]: Simplifying conjuction of 25889 disjunctions. This might take some time... [2019-12-07 15:57:26,156 INFO L193 XnfTransformerHelper]: Simplified to conjuction of 6 disjunctions. [2019-12-07 15:57:26,189 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:26,189 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:26,486 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 38 [2019-12-07 15:57:26,486 INFO L614 ElimStorePlain]: treesize reduction 245, result has 19.1 percent of original size [2019-12-07 15:57:26,498 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:57:26,498 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:26,551 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:27,169 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 40 [2019-12-07 15:57:27,189 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:57:27,189 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:27,233 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:27,247 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:57:27,247 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:27,296 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:27,306 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:57:27,307 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:27,361 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:27,383 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:27,383 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2019-12-07 15:57:27,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:27,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:27,384 INFO L534 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 15:57:27,539 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-12-07 15:57:27,540 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:27,551 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-12-07 15:57:27,551 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:27,635 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:27,907 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-12-07 15:57:27,908 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 15:57:27,930 INFO L614 ElimStorePlain]: treesize reduction 61, result has 1.6 percent of original size [2019-12-07 15:57:27,931 INFO L502 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2019-12-07 15:57:27,931 INFO L502 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2019-12-07 15:57:27,931 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:57:27,931 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:66, output treesize:1 [2019-12-07 15:57:28,474 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-12-07 15:57:29,188 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-12-07 15:57:29,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:29,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:29,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:29,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:29,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-12-07 15:57:29,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:29,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:29,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-12-07 15:57:29,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 15:57:29,901 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:29,901 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:29,955 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:29,955 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:29,972 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:29,973 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:29,994 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:29,994 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:30,049 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:30,050 INFO L534 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:30,103 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:30,103 INFO L534 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:30,116 WARN L227 Elim1Store]: Array PQE input equivalent to true [2019-12-07 15:57:30,116 INFO L534 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-12-07 15:57:30,118 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:57:30,118 INFO L502 ElimStorePlain]: Eliminatee |v_old(#memory_$Pointer$.offset)_BEFORE_CALL_6| vanished before elimination [2019-12-07 15:57:30,118 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:57:30,118 INFO L239 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:540, output treesize:1 [2019-12-07 15:57:30,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:30,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:30,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:30,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:57:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:57:30,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247171510] [2019-12-07 15:57:30,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:57:30,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 14] imperfect sequences [] total 26 [2019-12-07 15:57:30,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929254628] [2019-12-07 15:57:30,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-12-07 15:57:30,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:57:30,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-12-07 15:57:30,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=561, Unknown=5, NotChecked=48, Total=702 [2019-12-07 15:57:30,792 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 27 states. [2019-12-07 15:57:32,983 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-12-07 15:57:33,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:57:33,290 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-12-07 15:57:33,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 15:57:33,291 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 34 [2019-12-07 15:57:33,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:57:33,292 INFO L225 Difference]: With dead ends: 40 [2019-12-07 15:57:33,292 INFO L226 Difference]: Without dead ends: 40 [2019-12-07 15:57:33,292 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 8 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=228, Invalid=1177, Unknown=5, NotChecked=72, Total=1482 [2019-12-07 15:57:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-12-07 15:57:33,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-12-07 15:57:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 15:57:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2019-12-07 15:57:33,294 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 34 [2019-12-07 15:57:33,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:57:33,294 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2019-12-07 15:57:33,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-12-07 15:57:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2019-12-07 15:57:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 15:57:33,295 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:57:33,295 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:57:33,495 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 15:57:33,496 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]=== [2019-12-07 15:57:33,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:57:33,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1326046929, now seen corresponding path program 1 times [2019-12-07 15:57:33,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:57:33,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268266536] [2019-12-07 15:57:33,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36de67b5-5a11-45d8-a673-3e01aa4e1ce4/bin/uautomizer/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 15:57:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:57:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:57:33,748 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 15:57:33,749 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:57:33,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 15:57:33,970 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-12-07 15:57:33,974 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 10bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 15:57:33,974 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 15:57:33,974 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 15:57:33,975 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 15:57:33,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:57:33 BoogieIcfgContainer [2019-12-07 15:57:33,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:57:33,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:57:33,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:57:33,987 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:57:33,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:55:15" (3/4) ... [2019-12-07 15:57:33,990 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:57:33,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:57:33,991 INFO L168 Benchmark]: Toolchain (without parser) took 139855.56 ms. Allocated memory was 1.0 GB in the beginning and 6.0 GB in the end (delta: 4.9 GB). Free memory was 945.7 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2019-12-07 15:57:33,991 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:57:33,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:57:33,992 INFO L168 Benchmark]: Boogie Preprocessor took 67.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:57:33,992 INFO L168 Benchmark]: RCFGBuilder took 890.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.1 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:57:33,992 INFO L168 Benchmark]: TraceAbstraction took 138401.57 ms. Allocated memory was 1.1 GB in the beginning and 6.0 GB in the end (delta: 4.8 GB). Free memory was 954.1 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2019-12-07 15:57:33,992 INFO L168 Benchmark]: Witness Printer took 3.47 ms. Allocated memory is still 6.0 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:57:33,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 489.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 890.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.1 MB in the end (delta: 117.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 138401.57 ms. Allocated memory was 1.1 GB in the beginning and 6.0 GB in the end (delta: 4.8 GB). Free memory was 954.1 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Witness Printer took 3.47 ms. Allocated memory is still 6.0 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 10bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}] [L773] CALL entry_point() VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}] [L769] CALL alloc_13() VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}] [L763] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=12, \result={2:0}, global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, malloc(size)={2:0}, size=12] [L763] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, ldv_malloc(sizeof(struct A13))={2:0}] [L763] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L764] COND TRUE \read(*p) VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, p={2:0}] [L765] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={-2147483648:0}, head={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}] [L559] EXPR head->next VAL [global_list_13={-2147483648:0}, head={-2147483648:0}, head={-2147483648:0}, head->next={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}, new={2:4}] [L559] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}, next={-2147483648:0}, prev={-2147483648:0}] [L547] next->prev = new VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}, new={2:4}, next={-2147483648:0}, next={-2147483648:0}, prev={-2147483648:0}, prev={-2147483648:0}] [L548] new->next = next VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}, new={2:4}, next={-2147483648:0}, next={-2147483648:0}, prev={-2147483648:0}, prev={-2147483648:0}] [L549] new->prev = prev VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}, new={2:4}, next={-2147483648:0}, next={-2147483648:0}, prev={-2147483648:0}, prev={-2147483648:0}] [L550] prev->next = new VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}, new={2:4}, next={-2147483648:0}, next={-2147483648:0}, prev={-2147483648:0}, prev={-2147483648:0}] [L559] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={-2147483648:0}, head={-2147483648:0}, head={-2147483648:0}, head->next={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, new={2:4}, new={2:4}] [L765] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, p={2:0}] [L769] RET alloc_13() VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}] [L770] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, list={-2147483648:0}] [L540] list->next = list VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, list={-2147483648:0}, list={-2147483648:0}] [L541] list->prev = list VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}, list={-2147483648:0}, list={-2147483648:0}] [L770] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}] [L773] RET entry_point() VAL [global_list_13={-2147483648:0}, ldv_global_msg_list={-1073741824:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 335 locations, 71 error locations. Result: UNSAFE, OverallTime: 138.3s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 81.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 499 SDtfs, 947 SDslu, 1760 SDs, 0 SdLazy, 2403 SolverSat, 436 SolverUnsat, 45 SolverUnknown, 0 SolverNotchecked, 76.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 417 SyntacticMatches, 44 SemanticMatches, 204 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 20.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 50 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 51.6s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 586 ConstructedInterpolants, 77 QuantifiedInterpolants, 159142 SizeOfPredicates, 140 NumberOfNonLiveVariables, 1951 ConjunctsInSsa, 234 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...