./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 702f633b7e7ff05b6cbb070b8858a8adcd841273 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 702f633b7e7ff05b6cbb070b8858a8adcd841273 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:09:17,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:17,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:17,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:17,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:17,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:17,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:17,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:17,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:17,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:17,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:17,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:17,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:17,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:17,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:17,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:17,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:17,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:17,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:17,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:17,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:17,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:17,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:17,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:17,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:17,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:17,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:17,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:17,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:17,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:17,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:17,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:17,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:17,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:17,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:17,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:17,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:17,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:17,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:17,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:17,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:17,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:09:17,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:17,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:17,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:17,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:17,528 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:17,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:17,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:17,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:17,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:17,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:17,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:17,531 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:17,531 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:17,532 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:17,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:17,532 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:17,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:17,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:17,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:17,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:17,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:17,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:17,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:17,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:17,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:17,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:09:17,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:09:17,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:17,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2020-10-19 18:09:17,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:17,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:17,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:17,868 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:17,869 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:17,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-19 18:09:17,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e16a77d7/e1222ec0666d4b5488c5c179974692e3/FLAGcd4b79789 [2020-10-19 18:09:18,526 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:18,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-19 18:09:18,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e16a77d7/e1222ec0666d4b5488c5c179974692e3/FLAGcd4b79789 [2020-10-19 18:09:18,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e16a77d7/e1222ec0666d4b5488c5c179974692e3 [2020-10-19 18:09:18,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:18,842 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:18,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:18,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:18,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:18,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c78c701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:18, skipping insertion in model container [2020-10-19 18:09:18,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:18" (1/1) ... [2020-10-19 18:09:18,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:18,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:19,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:19,506 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-19 18:09:19,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@255245d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:19, skipping insertion in model container [2020-10-19 18:09:19,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:19,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:09:19,511 INFO L168 Benchmark]: Toolchain (without parser) took 673.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:19,513 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:09:19,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:19,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 664.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 27.5 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 0.1.25-906a4fb [2020-10-19 18:09:21,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:21,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:21,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:21,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:21,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:21,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:21,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:21,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:21,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:21,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:21,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:21,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:21,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:21,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:21,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:21,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:21,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:21,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:21,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:21,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:21,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:21,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:21,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:21,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:21,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:21,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:21,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:21,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:21,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:21,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:21,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:21,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:21,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:21,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:21,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:21,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:21,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:21,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:21,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:21,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:21,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:09:21,434 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:21,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:21,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:21,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:21,436 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:21,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:21,437 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:21,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:21,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:21,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:21,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:21,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:21,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:21,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:21,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:21,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:21,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:09:21,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:09:21,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:21,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:21,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:21,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:21,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:21,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:21,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:21,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:21,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:21,443 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:09:21,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:09:21,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:21,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:09:21,444 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2020-10-19 18:09:21,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:21,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:21,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:21,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:21,818 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:21,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-19 18:09:21,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1adbb5b61/448b8a3a51064aa28af60043b190194e/FLAG6a5564318 [2020-10-19 18:09:22,454 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:22,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-19 18:09:22,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1adbb5b61/448b8a3a51064aa28af60043b190194e/FLAG6a5564318 [2020-10-19 18:09:22,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1adbb5b61/448b8a3a51064aa28af60043b190194e [2020-10-19 18:09:22,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:22,743 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:22,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:22,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:22,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:22,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:22" (1/1) ... [2020-10-19 18:09:22,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5f6027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:22, skipping insertion in model container [2020-10-19 18:09:22,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:22" (1/1) ... [2020-10-19 18:09:22,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:22,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:23,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:23,324 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:09:23,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:23,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:23,430 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:09:23,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:23,640 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:09:23,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23 WrapperNode [2020-10-19 18:09:23,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:23,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:09:23,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:09:23,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:09:23,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... [2020-10-19 18:09:23,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... [2020-10-19 18:09:23,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... [2020-10-19 18:09:23,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... [2020-10-19 18:09:23,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... [2020-10-19 18:09:23,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... [2020-10-19 18:09:23,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... [2020-10-19 18:09:23,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:09:23,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:09:23,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:09:23,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:09:23,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:09:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:09:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:09:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:09:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:09:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:09:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:09:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:09:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:09:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:09:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:09:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:09:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:09:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:09:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:09:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:09:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:09:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:09:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:09:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:09:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:09:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:09:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:09:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:09:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:09:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:09:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:09:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:09:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:09:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:09:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:09:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:09:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:09:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:09:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:09:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:09:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:09:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:09:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:09:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2020-10-19 18:09:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure free_21 [2020-10-19 18:09:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:09:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:09:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:09:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:09:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:09:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:09:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:09:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:09:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:09:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:09:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:09:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:09:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:09:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:09:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:09:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:09:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:09:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:09:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:09:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:09:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:09:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:09:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:09:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:09:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:09:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:09:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:09:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:09:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:09:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:09:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:09:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:09:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:09:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:09:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:09:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:09:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:09:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:09:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:09:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:09:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:09:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:09:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:09:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:09:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:09:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:09:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:09:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:09:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:09:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:09:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:09:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:09:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:09:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:09:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:09:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:09:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:09:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:09:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:09:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:09:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:09:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:09:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:09:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:09:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:09:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:09:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:09:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2020-10-19 18:09:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure free_21 [2020-10-19 18:09:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:09:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:09:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:09:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:09:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:09:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:09:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:09:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:09:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:09:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:09:24,540 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:24,901 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:25,225 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:09:25,225 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:09:25,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:25 BoogieIcfgContainer [2020-10-19 18:09:25,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:09:25,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:09:25,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:09:25,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:09:25,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:09:22" (1/3) ... [2020-10-19 18:09:25,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4e9107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:25, skipping insertion in model container [2020-10-19 18:09:25,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:23" (2/3) ... [2020-10-19 18:09:25,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4e9107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:25, skipping insertion in model container [2020-10-19 18:09:25,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:25" (3/3) ... [2020-10-19 18:09:25,238 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-2.i [2020-10-19 18:09:25,251 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:09:25,260 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:09:25,275 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:09:25,297 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:09:25,297 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:09:25,298 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:09:25,298 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:09:25,298 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:09:25,298 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:09:25,298 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:09:25,299 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:09:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-10-19 18:09:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-19 18:09:25,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:25,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:25,332 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:25,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:25,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1560719066, now seen corresponding path program 1 times [2020-10-19 18:09:25,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:25,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334545104] [2020-10-19 18:09:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:25,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-19 18:09:25,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:25,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:25,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334545104] [2020-10-19 18:09:25,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:25,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2020-10-19 18:09:25,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216383023] [2020-10-19 18:09:25,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-19 18:09:25,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:26,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-19 18:09:26,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-19 18:09:26,017 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 11 states. [2020-10-19 18:09:26,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:26,186 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-10-19 18:09:26,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-19 18:09:26,188 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-10-19 18:09:26,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:26,201 INFO L225 Difference]: With dead ends: 52 [2020-10-19 18:09:26,201 INFO L226 Difference]: Without dead ends: 49 [2020-10-19 18:09:26,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-19 18:09:26,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-19 18:09:26,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2020-10-19 18:09:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-19 18:09:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-10-19 18:09:26,248 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 21 [2020-10-19 18:09:26,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:26,249 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-10-19 18:09:26,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-19 18:09:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-10-19 18:09:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-19 18:09:26,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:26,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:26,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:09:26,463 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:26,464 INFO L82 PathProgramCache]: Analyzing trace with hash 182091269, now seen corresponding path program 1 times [2020-10-19 18:09:26,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:26,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264132829] [2020-10-19 18:09:26,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:26,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:09:26,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:26,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:26,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264132829] [2020-10-19 18:09:26,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:26,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 18:09:26,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656703480] [2020-10-19 18:09:26,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:09:26,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:26,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:09:26,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:09:26,787 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 5 states. [2020-10-19 18:09:26,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:26,812 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-10-19 18:09:26,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:09:26,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-19 18:09:26,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:26,816 INFO L225 Difference]: With dead ends: 49 [2020-10-19 18:09:26,817 INFO L226 Difference]: Without dead ends: 49 [2020-10-19 18:09:26,818 INFO L677 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 [2020-10-19 18:09:26,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-19 18:09:26,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2020-10-19 18:09:26,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-19 18:09:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2020-10-19 18:09:26,835 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 21 [2020-10-19 18:09:26,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:26,836 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2020-10-19 18:09:26,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:09:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2020-10-19 18:09:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-19 18:09:26,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:26,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:27,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,051 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:27,051 INFO L82 PathProgramCache]: Analyzing trace with hash 311173988, now seen corresponding path program 1 times [2020-10-19 18:09:27,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:27,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929010616] [2020-10-19 18:09:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:27,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:09:27,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:27,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:27,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929010616] [2020-10-19 18:09:27,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:27,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2020-10-19 18:09:27,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176327517] [2020-10-19 18:09:27,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:09:27,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:27,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:09:27,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:09:27,317 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 7 states. [2020-10-19 18:09:27,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:27,365 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2020-10-19 18:09:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:09:27,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-19 18:09:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:27,367 INFO L225 Difference]: With dead ends: 45 [2020-10-19 18:09:27,368 INFO L226 Difference]: Without dead ends: 45 [2020-10-19 18:09:27,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:09:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-19 18:09:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2020-10-19 18:09:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-19 18:09:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-19 18:09:27,375 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 21 [2020-10-19 18:09:27,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:27,376 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-19 18:09:27,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:09:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-19 18:09:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 18:09:27,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:27,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:27,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,591 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:27,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:27,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1137650385, now seen corresponding path program 1 times [2020-10-19 18:09:27,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:27,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400505490] [2020-10-19 18:09:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:27,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 18:09:27,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:27,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:28,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400505490] [2020-10-19 18:09:28,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:28,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 20 [2020-10-19 18:09:28,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873551486] [2020-10-19 18:09:28,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-19 18:09:28,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:28,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-19 18:09:28,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2020-10-19 18:09:28,387 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 21 states. [2020-10-19 18:09:29,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:29,131 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2020-10-19 18:09:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-19 18:09:29,133 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 22 [2020-10-19 18:09:29,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:29,135 INFO L225 Difference]: With dead ends: 56 [2020-10-19 18:09:29,135 INFO L226 Difference]: Without dead ends: 56 [2020-10-19 18:09:29,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2020-10-19 18:09:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-19 18:09:29,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 42. [2020-10-19 18:09:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-19 18:09:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-19 18:09:29,143 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 22 [2020-10-19 18:09:29,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:29,143 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-19 18:09:29,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-19 18:09:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-19 18:09:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:09:29,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:29,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:29,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:09:29,349 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:29,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash -907423160, now seen corresponding path program 1 times [2020-10-19 18:09:29,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:29,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290479479] [2020-10-19 18:09:29,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:29,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 18:09:29,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:29,508 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 18:09:29,508 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:29,512 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:29,512 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:09:29,512 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:09:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:29,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:29,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290479479] [2020-10-19 18:09:29,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:29,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2020-10-19 18:09:29,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420979591] [2020-10-19 18:09:29,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-19 18:09:29,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:29,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-19 18:09:29,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-19 18:09:29,726 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 11 states. [2020-10-19 18:09:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:29,927 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2020-10-19 18:09:29,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-19 18:09:29,928 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-19 18:09:29,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:29,930 INFO L225 Difference]: With dead ends: 51 [2020-10-19 18:09:29,930 INFO L226 Difference]: Without dead ends: 51 [2020-10-19 18:09:29,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-19 18:09:29,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-19 18:09:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-19 18:09:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-19 18:09:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2020-10-19 18:09:29,940 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2020-10-19 18:09:29,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:29,940 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2020-10-19 18:09:29,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-19 18:09:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-10-19 18:09:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:09:29,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:29,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:30,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:09:30,143 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:30,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:30,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1412981785, now seen corresponding path program 1 times [2020-10-19 18:09:30,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:30,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585719787] [2020-10-19 18:09:30,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 18:09:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:30,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:09:30,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:30,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:30,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:30,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585719787] [2020-10-19 18:09:30,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:30,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 18:09:30,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308147110] [2020-10-19 18:09:30,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:09:30,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:30,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:09:30,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:09:30,423 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 5 states. [2020-10-19 18:09:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:30,444 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-10-19 18:09:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:09:30,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-19 18:09:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:30,450 INFO L225 Difference]: With dead ends: 41 [2020-10-19 18:09:30,451 INFO L226 Difference]: Without dead ends: 41 [2020-10-19 18:09:30,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:09:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-19 18:09:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-19 18:09:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-19 18:09:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2020-10-19 18:09:30,460 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 23 [2020-10-19 18:09:30,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:30,461 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2020-10-19 18:09:30,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:09:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2020-10-19 18:09:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 18:09:30,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:30,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:30,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 18:09:30,678 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:30,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:30,678 INFO L82 PathProgramCache]: Analyzing trace with hash -298029978, now seen corresponding path program 1 times [2020-10-19 18:09:30,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:30,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631114724] [2020-10-19 18:09:30,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 18:09:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:30,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:09:30,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:30,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:30,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631114724] [2020-10-19 18:09:30,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:30,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 18:09:30,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805856213] [2020-10-19 18:09:30,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:09:30,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:30,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:09:30,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:09:30,955 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 3 states. [2020-10-19 18:09:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:30,991 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2020-10-19 18:09:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:09:30,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-19 18:09:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:30,992 INFO L225 Difference]: With dead ends: 44 [2020-10-19 18:09:30,992 INFO L226 Difference]: Without dead ends: 29 [2020-10-19 18:09:30,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:09:30,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-19 18:09:30,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-19 18:09:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-19 18:09:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-10-19 18:09:31,000 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 25 [2020-10-19 18:09:31,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:31,000 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-10-19 18:09:31,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:09:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-10-19 18:09:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-19 18:09:31,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:31,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:31,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-19 18:09:31,203 INFO L429 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, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:09:31,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:31,203 INFO L82 PathProgramCache]: Analyzing trace with hash -339267371, now seen corresponding path program 1 times [2020-10-19 18:09:31,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:31,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547700564] [2020-10-19 18:09:31,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 18:09:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:31,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 24 conjunts are in the unsatisfiable core [2020-10-19 18:09:31,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:37,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:44,159 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|))) is different from false [2020-10-19 18:09:44,241 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_entry_point_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))))) is different from false [2020-10-19 18:09:44,337 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:09:44,349 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from false [2020-10-19 18:09:44,352 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from true [2020-10-19 18:09:44,373 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:09:44,392 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:09:44,401 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-19 18:09:44,416 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:09:44,433 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:09:44,452 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:09:44,461 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-19 18:09:44,471 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-10-19 18:09:44,484 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:09:44,493 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from false [2020-10-19 18:09:44,503 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from true [2020-10-19 18:09:44,511 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))) (= (store |c_#valid| |c_entry_point_#t~ret39.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-19 18:09:44,720 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:44,725 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:44,734 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-10-19 18:09:44,748 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-10-19 18:09:44,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:44,763 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:44,778 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:44,783 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:44,794 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-10-19 18:09:44,799 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-10-19 18:09:44,808 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:44,813 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:44,821 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-10-19 18:09:44,885 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:44,890 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:44,901 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_alloc_21_#t~ret38.base_81|))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_alloc_21_#t~ret38.base_81| (_ bv0 1))))) is different from false [2020-10-19 18:09:44,908 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_alloc_21_#t~ret38.base_81|))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_alloc_21_#t~ret38.base_81| (_ bv0 1))))) is different from true [2020-10-19 18:09:44,948 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:44,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:44,961 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:09:44,969 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:44,998 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-19 18:09:45,019 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-10-19 18:09:45,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:45,062 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:45,066 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:09:45,072 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:45,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:45,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:45,157 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:09:45,165 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:45,200 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1))))) is different from false [2020-10-19 18:09:45,211 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1))))) is different from true [2020-10-19 18:09:45,250 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:45,261 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:45,267 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:09:45,275 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:09:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:45,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547700564] [2020-10-19 18:09:45,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:45,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 17] imperfect sequences [] total 27 [2020-10-19 18:09:45,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508064066] [2020-10-19 18:09:45,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-19 18:09:45,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:45,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-19 18:09:45,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=164, Unknown=33, NotChecked=494, Total=756 [2020-10-19 18:09:45,319 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 28 states. [2020-10-19 18:09:53,420 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_alloc_21_#t~ret38.base_81|))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)))))) is different from false [2020-10-19 18:09:53,433 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1)))))) is different from false [2020-10-19 18:09:53,454 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-10-19 18:09:53,467 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_alloc_21_#t~ret38.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| |c_alloc_21_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from false [2020-10-19 18:09:53,479 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| c_alloc_21_~p~0.base (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_21_~p~0.base))) is different from false [2020-10-19 18:09:53,484 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| c_alloc_21_~p~0.base (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_21_~p~0.base))) is different from true [2020-10-19 18:09:53,492 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| |c_alloc_21_#res.base| (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| |c_alloc_21_#res.base|) (_ bv0 1))) is different from false [2020-10-19 18:09:55,580 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17)))))))))) is different from false [2020-10-19 18:09:55,592 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|) (= |c_free_21_#in~dev.base| c_free_21_~dev.base)) is different from false [2020-10-19 18:09:55,602 WARN L838 $PredicateComparison]: unable to prove that (and (= c_free_21_~p~1.base |c_free_21_#in~dev.base|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-10-19 18:09:55,614 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17)))))))))) is different from false [2020-10-19 18:09:59,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:59,689 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-10-19 18:09:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-19 18:09:59,690 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2020-10-19 18:09:59,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:59,690 INFO L225 Difference]: With dead ends: 28 [2020-10-19 18:09:59,691 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 18:09:59,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 23 IntricatePredicates, 1 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=92, Invalid=194, Unknown=46, NotChecked=1150, Total=1482 [2020-10-19 18:09:59,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 18:09:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 18:09:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 18:09:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 18:09:59,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-19 18:09:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:59,693 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:09:59,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-19 18:09:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:09:59,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:09:59,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-19 18:09:59,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:09:59 BoogieIcfgContainer [2020-10-19 18:09:59,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:09:59,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:09:59,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:09:59,902 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:09:59,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:25" (3/4) ... [2020-10-19 18:09:59,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:09:59,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-19 18:09:59,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:59,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_21 [2020-10-19 18:09:59,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-19 18:09:59,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-19 18:09:59,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-19 18:09:59,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-19 18:09:59,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:59,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-19 18:09:59,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-19 18:09:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-19 18:09:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-19 18:09:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-19 18:09:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-19 18:09:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-19 18:09:59,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-19 18:09:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-19 18:09:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-19 18:09:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-19 18:09:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-19 18:09:59,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-19 18:09:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-19 18:09:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-19 18:09:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-19 18:09:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-19 18:09:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-19 18:09:59,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-19 18:09:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-19 18:09:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-19 18:09:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-19 18:09:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-19 18:09:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-19 18:09:59,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-19 18:09:59,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-19 18:09:59,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-19 18:09:59,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-19 18:09:59,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-19 18:09:59,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-19 18:09:59,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-19 18:09:59,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-19 18:09:59,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-19 18:09:59,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_21 [2020-10-19 18:09:59,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-19 18:09:59,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-19 18:09:59,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-19 18:09:59,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-19 18:09:59,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-19 18:09:59,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-10-19 18:09:59,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-19 18:09:59,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:09:59,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:09:59,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:10:00,002 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:10:00,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:10:00,004 INFO L168 Benchmark]: Toolchain (without parser) took 37266.81 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 950.6 MB in the beginning and 946.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 325.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:00,005 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:10:00,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:00,006 INFO L168 Benchmark]: Boogie Preprocessor took 151.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:10:00,006 INFO L168 Benchmark]: RCFGBuilder took 1433.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.6 MB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:00,007 INFO L168 Benchmark]: TraceAbstraction took 34671.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 983.6 MB in the beginning and 955.1 MB in the end (delta: 28.5 MB). Peak memory consumption was 208.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:00,007 INFO L168 Benchmark]: Witness Printer took 101.36 ms. Allocated memory is still 1.4 GB. Free memory was 955.1 MB in the beginning and 946.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:00,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 899.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 151.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1433.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.6 MB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34671.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 983.6 MB in the beginning and 955.1 MB in the end (delta: 28.5 MB). Peak memory consumption was 208.9 MB. Max. memory is 11.5 GB. * Witness Printer took 101.36 ms. Allocated memory is still 1.4 GB. Free memory was 955.1 MB in the beginning and 946.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 779]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 224 SDtfs, 119 SDslu, 1005 SDs, 0 SdLazy, 646 SolverSat, 21 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 283 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 23 IntricatePredicates, 1 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 352 ConstructedInterpolants, 25 QuantifiedInterpolants, 53505 SizeOfPredicates, 30 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...