./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test8.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_test8.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 ea76204732189107ea57f186f34feef6f7f76c1e ............................................................................................................................. 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_test8.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 ea76204732189107ea57f186f34feef6f7f76c1e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:10:56,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:10:56,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:10:56,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:10:56,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:10:56,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:10:56,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:10:56,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:10:56,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:10:56,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:10:56,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:10:56,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:10:56,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:10:56,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:10:56,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:10:56,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:10:56,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:10:56,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:10:56,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:10:56,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:10:56,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:10:56,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:10:56,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:10:56,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:10:56,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:10:56,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:10:56,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:10:56,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:10:56,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:10:56,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:10:56,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:10:56,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:10:56,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:10:56,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:10:56,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:10:56,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:10:56,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:10:56,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:10:56,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:10:56,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:10:56,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:10:56,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:10:56,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:10:56,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:10:56,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:10:56,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:10:56,675 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:10:56,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:10:56,675 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:10:56,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:10:56,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:10:56,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:10:56,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:10:56,677 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:10:56,677 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:10:56,677 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:10:56,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:10:56,678 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:10:56,678 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:10:56,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:10:56,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:10:56,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:10:56,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:10:56,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:10:56,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:10:56,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:10:56,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:10:56,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:10:56,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:10:56,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:10:56,682 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 -> ea76204732189107ea57f186f34feef6f7f76c1e [2020-10-19 18:10:57,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:10:57,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:10:57,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:10:57,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:10:57,026 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:10:57,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-10-19 18:10:57,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b9308757/51baab359f4c46d49c2016aa94692c5f/FLAGe9375aa7b [2020-10-19 18:10:57,657 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:10:57,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-10-19 18:10:57,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b9308757/51baab359f4c46d49c2016aa94692c5f/FLAGe9375aa7b [2020-10-19 18:10:57,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b9308757/51baab359f4c46d49c2016aa94692c5f [2020-10-19 18:10:57,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:10:57,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:10:57,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:57,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:10:57,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:10:57,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:57" (1/1) ... [2020-10-19 18:10:57,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239b7121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:57, skipping insertion in model container [2020-10-19 18:10:57,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:57" (1/1) ... [2020-10-19 18:10:57,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:10:57,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:10:58,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:58,460 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 18:10:58,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70b66ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:58, skipping insertion in model container [2020-10-19 18:10:58,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:58,461 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:10:58,464 INFO L168 Benchmark]: Toolchain (without parser) took 579.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:58,465 INFO L168 Benchmark]: CDTParser took 0.59 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 18:10:58,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:58,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 570.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 25.9 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 18:11:00,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:11:00,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:11:00,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:11:00,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:11:00,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:11:00,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:11:00,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:11:00,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:11:00,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:11:00,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:11:00,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:11:00,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:11:00,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:11:00,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:11:00,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:11:00,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:11:00,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:11:00,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:11:00,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:11:00,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:11:00,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:11:00,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:11:00,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:11:00,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:11:00,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:11:00,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:11:00,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:11:00,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:11:00,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:11:00,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:11:00,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:11:00,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:11:00,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:11:00,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:11:00,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:11:00,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:11:00,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:11:00,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:11:00,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:11:00,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:11:00,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:11:00,345 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:11:00,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:11:00,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:11:00,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:11:00,348 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:11:00,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:11:00,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:11:00,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:11:00,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:11:00,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:11:00,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:11:00,351 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:11:00,351 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:11:00,352 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:11:00,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:11:00,352 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:11:00,352 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:11:00,353 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:11:00,353 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:11:00,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:11:00,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:11:00,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:11:00,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:11:00,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:11:00,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:11:00,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:11:00,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:11:00,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:11:00,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:11:00,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:11:00,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:11:00,357 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 -> ea76204732189107ea57f186f34feef6f7f76c1e [2020-10-19 18:11:00,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:11:00,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:11:00,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:11:00,711 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:11:00,712 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:11:00,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-10-19 18:11:00,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4807fc0ae/9fd24c00e24041e49b0d1212f5862482/FLAGfbb564977 [2020-10-19 18:11:01,310 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:11:01,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-10-19 18:11:01,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4807fc0ae/9fd24c00e24041e49b0d1212f5862482/FLAGfbb564977 [2020-10-19 18:11:01,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4807fc0ae/9fd24c00e24041e49b0d1212f5862482 [2020-10-19 18:11:01,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:11:01,618 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:11:01,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:11:01,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:11:01,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:11:01,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:11:01" (1/1) ... [2020-10-19 18:11:01,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27dd8b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:01, skipping insertion in model container [2020-10-19 18:11:01,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:11:01" (1/1) ... [2020-10-19 18:11:01,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:11:01,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:11:02,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:11:02,240 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:11:02,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:11:02,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:11:02,308 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:11:02,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:11:02,452 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:11:02,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02 WrapperNode [2020-10-19 18:11:02,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:11:02,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:11:02,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:11:02,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:11:02,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (1/1) ... [2020-10-19 18:11:02,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (1/1) ... [2020-10-19 18:11:02,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (1/1) ... [2020-10-19 18:11:02,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (1/1) ... [2020-10-19 18:11:02,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (1/1) ... [2020-10-19 18:11:02,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (1/1) ... [2020-10-19 18:11:02,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (1/1) ... [2020-10-19 18:11:02,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:11:02,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:11:02,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:11:02,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:11:02,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (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 18:11:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:11:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:11:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:11:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:11:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:11:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:11:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:11:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:11:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:11:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:11:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:11:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:11:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:11:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:11:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:11:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:11:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:11:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:11:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:11:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:11:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:11:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:11:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:11:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:11:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:11:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:11:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:11:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:11:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:11:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:11:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:11:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:11:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:11:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:11:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:11:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2020-10-19 18:11:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2020-10-19 18:11:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:11:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:11:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:11:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:11:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:11:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:11:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:11:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:11:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:11:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:11:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:11:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:11:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:11:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:11:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:11:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:11:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:11:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:11:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:11:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:11:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:11:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:11:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:11:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:11:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:11:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:11:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:11:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:11:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:11:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:11:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:11:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:11:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:11:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:11:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:11:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:11:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:11:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:11:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:11:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:11:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:11:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:11:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:11:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:11:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:11:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:11:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:11:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:11:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:11:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:11:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:11:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:11:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:11:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:11:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:11:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:11:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:11:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:11:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:11:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:11:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:11:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:11:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:11:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:11:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:11:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:11:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:11:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:11:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:11:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:11:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:11:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:11:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:11:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:11:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:11:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:11:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:11:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:11:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:11:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:11:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:11:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:11:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:11:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:11:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:11:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:11:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:11:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:11:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:11:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:11:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:11:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:11:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:11:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:11:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:11:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:11:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:11:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:11:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:11:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:11:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:11:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:11:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:11:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:11:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:11:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:11:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:11:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:11:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:11:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:11:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:11:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:11:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:11:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:11:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:11:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:11:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:11:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:11:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:11:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:11:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:11:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:11:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:11:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:11:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:11:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:11:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:11:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:11:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:11:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:11:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:11:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:11:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:11:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:11:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:11:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:11:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:11:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:11:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:11:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:11:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:11:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:11:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:11:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:11:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:11:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:11:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:11:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:11:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:11:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:11:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:11:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:11:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:11:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2020-10-19 18:11:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2020-10-19 18:11:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:11:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:11:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:11:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:11:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:11:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:11:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:11:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:11:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:11:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:11:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:11:03,304 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:11:03,709 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:11:04,016 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:11:04,016 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:11:04,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:11:04 BoogieIcfgContainer [2020-10-19 18:11:04,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:11:04,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:11:04,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:11:04,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:11:04,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:11:01" (1/3) ... [2020-10-19 18:11:04,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3488bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:11:04, skipping insertion in model container [2020-10-19 18:11:04,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:02" (2/3) ... [2020-10-19 18:11:04,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3488bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:11:04, skipping insertion in model container [2020-10-19 18:11:04,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:11:04" (3/3) ... [2020-10-19 18:11:04,029 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8.i [2020-10-19 18:11:04,042 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:11:04,051 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:11:04,067 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:11:04,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:11:04,093 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:11:04,093 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:11:04,093 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:11:04,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:11:04,094 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:11:04,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:11:04,094 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:11:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-10-19 18:11:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:11:04,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:04,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:11:04,129 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:11:04,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:04,137 INFO L82 PathProgramCache]: Analyzing trace with hash 12717103, now seen corresponding path program 1 times [2020-10-19 18:11:04,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:04,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726905018] [2020-10-19 18:11:04,153 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 18:11:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:04,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:11:04,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:04,424 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 18:11:04,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:04,538 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 18:11:04,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726905018] [2020-10-19 18:11:04,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:04,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:11:04,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326498994] [2020-10-19 18:11:04,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:11:04,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:04,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:11:04,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:04,567 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 5 states. [2020-10-19 18:11:04,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:04,640 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2020-10-19 18:11:04,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:11:04,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-19 18:11:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:04,653 INFO L225 Difference]: With dead ends: 32 [2020-10-19 18:11:04,653 INFO L226 Difference]: Without dead ends: 29 [2020-10-19 18:11:04,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:11:04,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-19 18:11:04,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-19 18:11:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-19 18:11:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-10-19 18:11:04,696 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 18 [2020-10-19 18:11:04,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:04,696 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-10-19 18:11:04,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:11:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-10-19 18:11:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-19 18:11:04,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:04,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:11:04,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:11:04,911 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:11:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:04,912 INFO L82 PathProgramCache]: Analyzing trace with hash 394230500, now seen corresponding path program 1 times [2020-10-19 18:11:04,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:04,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597810748] [2020-10-19 18:11:04,915 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 18:11:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:05,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:11:05,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:05,182 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 18:11:05,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:05,376 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 18:11:05,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597810748] [2020-10-19 18:11:05,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:05,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-10-19 18:11:05,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859800316] [2020-10-19 18:11:05,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:11:05,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:05,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:11:05,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:11:05,381 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2020-10-19 18:11:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:05,645 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2020-10-19 18:11:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-19 18:11:05,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-10-19 18:11:05,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:05,647 INFO L225 Difference]: With dead ends: 41 [2020-10-19 18:11:05,647 INFO L226 Difference]: Without dead ends: 41 [2020-10-19 18:11:05,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:11:05,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-19 18:11:05,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2020-10-19 18:11:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-19 18:11:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2020-10-19 18:11:05,658 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19 [2020-10-19 18:11:05,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:05,659 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2020-10-19 18:11:05,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:11:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2020-10-19 18:11:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:11:05,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:05,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:11:05,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:11:05,885 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:11:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:05,887 INFO L82 PathProgramCache]: Analyzing trace with hash -663756079, now seen corresponding path program 1 times [2020-10-19 18:11:05,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:05,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838214203] [2020-10-19 18:11:05,888 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 18:11:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:06,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:11:06,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:06,089 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 18:11:06,089 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:11:06,093 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:11:06,093 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:11:06,094 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:11:06,118 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 18:11:06,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:06,213 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 18:11:06,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838214203] [2020-10-19 18:11:06,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:06,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:11:06,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800716043] [2020-10-19 18:11:06,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:11:06,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:06,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:11:06,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:06,216 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 5 states. [2020-10-19 18:11:06,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:06,267 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-19 18:11:06,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:11:06,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-19 18:11:06,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:06,272 INFO L225 Difference]: With dead ends: 40 [2020-10-19 18:11:06,272 INFO L226 Difference]: Without dead ends: 40 [2020-10-19 18:11:06,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 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 18:11:06,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-19 18:11:06,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-19 18:11:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-19 18:11:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-10-19 18:11:06,279 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 20 [2020-10-19 18:11:06,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:06,280 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-10-19 18:11:06,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:11:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-10-19 18:11:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:11:06,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:06,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:11:06,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:11:06,502 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:11:06,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:06,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1834259858, now seen corresponding path program 1 times [2020-10-19 18:11:06,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:06,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764938960] [2020-10-19 18:11:06,504 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 18:11:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:06,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:11:06,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:06,683 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 18:11:06,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:06,797 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 18:11:06,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764938960] [2020-10-19 18:11:06,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:06,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 18:11:06,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316580373] [2020-10-19 18:11:06,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:11:06,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:06,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:11:06,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:06,801 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2020-10-19 18:11:06,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:06,869 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2020-10-19 18:11:06,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:11:06,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-19 18:11:06,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:06,872 INFO L225 Difference]: With dead ends: 37 [2020-10-19 18:11:06,872 INFO L226 Difference]: Without dead ends: 37 [2020-10-19 18:11:06,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:11:06,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-19 18:11:06,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-10-19 18:11:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-19 18:11:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2020-10-19 18:11:06,885 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20 [2020-10-19 18:11:06,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:06,886 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2020-10-19 18:11:06,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:11:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2020-10-19 18:11:06,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:11:06,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:06,889 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 18:11:07,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:11:07,102 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:11:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:07,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1534178647, now seen corresponding path program 1 times [2020-10-19 18:11:07,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:07,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197830111] [2020-10-19 18:11:07,104 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 18:11:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:07,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:11:07,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:07,256 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 18:11:07,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:07,368 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 18:11:07,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197830111] [2020-10-19 18:11:07,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:07,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 18:11:07,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692340571] [2020-10-19 18:11:07,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:11:07,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:07,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:11:07,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:11:07,370 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 3 states. [2020-10-19 18:11:07,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:07,400 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-10-19 18:11:07,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:11:07,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-10-19 18:11:07,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:07,402 INFO L225 Difference]: With dead ends: 40 [2020-10-19 18:11:07,402 INFO L226 Difference]: Without dead ends: 27 [2020-10-19 18:11:07,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 18:11:07,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-19 18:11:07,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-19 18:11:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-19 18:11:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-10-19 18:11:07,406 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2020-10-19 18:11:07,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:07,406 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-10-19 18:11:07,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:11:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-10-19 18:11:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-19 18:11:07,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:07,408 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] [2020-10-19 18:11:07,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:11:07,619 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:11:07,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:07,619 INFO L82 PathProgramCache]: Analyzing trace with hash 714098001, now seen corresponding path program 1 times [2020-10-19 18:11:07,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:07,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869815081] [2020-10-19 18:11:07,620 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 18:11:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:07,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-19 18:11:07,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:07,790 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:11:07,790 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-10-19 18:11:07,791 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:11:07,809 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-10-19 18:11:07,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:11:07,818 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:11:07,819 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2020-10-19 18:11:07,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:11:07,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:11:07,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:11:07,853 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:11:07,953 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-10-19 18:11:07,954 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:11:07,956 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:11:07,956 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:11:07,957 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-10-19 18:11:14,083 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 18:11:14,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:28,816 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:11:28,834 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 (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (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 (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))))) is different from false [2020-10-19 18:11:28,837 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 (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (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 (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))))) is different from true [2020-10-19 18:11:28,851 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:11:28,873 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:11:28,883 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 (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (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 (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-19 18:11:28,889 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 (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (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 (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-10-19 18:11:28,906 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:11:28,924 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:11:28,943 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-19 18:11:29,059 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_77)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| v_~a8~0.base_77 (_ bv0 1)))))) (not (= (select |c_#valid| v_~a8~0.base_85) (_ bv0 1))) (= (store |c_#valid| v_~a8~0.base_85 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-19 18:11:29,074 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:29,084 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:11:29,094 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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from false [2020-10-19 18:11:29,100 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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from true [2020-10-19 18:11:29,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:29,119 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:11:29,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:29,141 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:11:29,150 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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1))))) is different from false [2020-10-19 18:11:29,157 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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1))))) is different from true [2020-10-19 18:11:29,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:29,226 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-19 18:11:29,239 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_8_#t~ret38.base_66|))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from false [2020-10-19 18:11:29,246 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_8_#t~ret38.base_66|))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from true [2020-10-19 18:11:29,287 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:29,298 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:29,302 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:29,311 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 18:11:29,352 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_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (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)))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (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)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from false [2020-10-19 18:11:29,369 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_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (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)))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (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)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from true [2020-10-19 18:11:29,446 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:29,458 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:29,467 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:29,477 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 18:11:29,557 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:29,578 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:29,584 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:29,595 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 18:11:29,630 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ 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 (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ 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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (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 (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (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)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from false [2020-10-19 18:11:29,642 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ 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 (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ 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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (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 (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (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)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from true [2020-10-19 18:11:29,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:29,711 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:29,718 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:29,728 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 18:11:29,772 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 18:11:29,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869815081] [2020-10-19 18:11:29,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:29,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 13] imperfect sequences [] total 21 [2020-10-19 18:11:29,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358702959] [2020-10-19 18:11:29,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-19 18:11:29,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:29,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-19 18:11:29,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=123, Unknown=33, NotChecked=248, Total=462 [2020-10-19 18:11:29,776 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 22 states. [2020-10-19 18:11:52,402 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 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_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (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)))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (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)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1))))))) is different from false [2020-10-19 18:11:52,413 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_alloc_8_#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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1))))) (= (store |c_old(#valid)| |c_alloc_8_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from false [2020-10-19 18:11:52,416 WARN L860 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_alloc_8_#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 (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1))))) (= (store |c_old(#valid)| |c_alloc_8_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from true [2020-10-19 18:11:52,423 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| c_~a8~0.base) (_ bv0 1)) (= (store |c_old(#valid)| c_~a8~0.base (_ bv1 1)) |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)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85))))))) is different from false [2020-10-19 18:11:56,448 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 (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (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 (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|) (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (= (_ bv1 1) (select |c_old(#valid)| |~#ldv_global_msg_list~0.base|)))) is different from false [2020-10-19 18:11:56,457 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 (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (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 (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-10-19 18:11:56,467 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 (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (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 (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))))) (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) |c_#valid|)) is different from false [2020-10-19 18:11:56,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:56,493 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2020-10-19 18:11:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-19 18:11:56,494 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2020-10-19 18:11:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:56,495 INFO L225 Difference]: With dead ends: 26 [2020-10-19 18:11:56,495 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 18:11:56,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 14 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=92, Invalid=168, Unknown=68, NotChecked=602, Total=930 [2020-10-19 18:11:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 18:11:56,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 18:11:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 18:11:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 18:11:56,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-19 18:11:56,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:56,497 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:11:56,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-19 18:11:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:11:56,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:11:56,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 18:11:56,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:11:56 BoogieIcfgContainer [2020-10-19 18:11:56,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:11:56,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:11:56,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:11:56,707 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:11:56,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:11:04" (3/4) ... [2020-10-19 18:11:56,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:11:56,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-19 18:11:56,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:11:56,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-19 18:11:56,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_8 [2020-10-19 18:11:56,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-19 18:11:56,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-19 18:11:56,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-19 18:11:56,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:11:56,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-19 18:11:56,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-19 18:11:56,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-19 18:11:56,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-19 18:11:56,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-19 18:11:56,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_8 [2020-10-19 18:11:56,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-19 18:11:56,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-19 18:11:56,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-19 18:11:56,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-19 18:11:56,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-19 18:11:56,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-19 18:11:56,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-19 18:11:56,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-19 18:11:56,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-19 18:11:56,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-19 18:11:56,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-19 18:11:56,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-19 18:11:56,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-19 18:11:56,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-19 18:11:56,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-19 18:11:56,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-19 18:11:56,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-19 18:11:56,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-19 18:11:56,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-19 18:11:56,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-19 18:11:56,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-19 18:11:56,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-19 18:11:56,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-19 18:11:56,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-19 18:11:56,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-19 18:11:56,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-19 18:11:56,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-19 18:11:56,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-19 18:11:56,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-19 18:11:56,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-19 18:11:56,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-19 18:11:56,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-19 18:11:56,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-19 18:11:56,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-19 18:11:56,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-10-19 18:11:56,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-19 18:11:56,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:11:56,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:11:56,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:11:56,800 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:11:56,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:11:56,802 INFO L168 Benchmark]: Toolchain (without parser) took 55187.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 953.2 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:56,802 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:11:56,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:56,803 INFO L168 Benchmark]: Boogie Preprocessor took 103.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:56,804 INFO L168 Benchmark]: RCFGBuilder took 1461.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:56,804 INFO L168 Benchmark]: TraceAbstraction took 52684.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 989.9 MB in the beginning and 1.2 GB in the end (delta: -196.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:11:56,805 INFO L168 Benchmark]: Witness Printer took 94.05 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:11:56,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 835.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1461.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52684.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 989.9 MB in the beginning and 1.2 GB in the end (delta: -196.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 94.05 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. 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: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free 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: 769]: 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: 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, 343 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 27.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 96 SDslu, 245 SDs, 0 SdLazy, 195 SolverSat, 42 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 20.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 204 SyntacticMatches, 5 SemanticMatches, 54 ConstructedPredicates, 14 IntricatePredicates, 1 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 27.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 240 ConstructedInterpolants, 28 QuantifiedInterpolants, 42660 SizeOfPredicates, 10 NumberOfNonLiveVariables, 570 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...