./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c9c8a757 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_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ............................................................................................................................ 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_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43035c6e49855e15ec870efd7c9282b8311d43cd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-c9c8a75 [2019-11-28 09:52:08,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 09:52:08,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 09:52:08,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 09:52:08,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 09:52:08,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 09:52:08,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 09:52:08,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 09:52:08,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 09:52:08,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 09:52:08,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 09:52:08,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 09:52:08,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 09:52:08,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 09:52:08,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 09:52:08,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 09:52:08,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 09:52:08,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 09:52:08,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 09:52:08,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 09:52:08,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 09:52:08,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 09:52:08,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 09:52:08,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 09:52:08,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 09:52:08,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 09:52:08,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 09:52:08,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 09:52:08,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 09:52:08,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 09:52:08,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 09:52:08,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 09:52:08,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 09:52:08,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 09:52:08,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 09:52:08,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 09:52:08,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 09:52:08,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 09:52:08,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 09:52:08,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 09:52:08,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 09:52:08,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 09:52:08,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 09:52:08,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 09:52:08,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 09:52:08,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 09:52:08,414 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 09:52:08,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 09:52:08,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 09:52:08,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 09:52:08,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 09:52:08,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 09:52:08,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 09:52:08,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 09:52:08,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 09:52:08,417 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 09:52:08,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 09:52:08,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 09:52:08,418 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 09:52:08,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 09:52:08,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 09:52:08,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 09:52:08,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 09:52:08,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 09:52:08,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 09:52:08,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 09:52:08,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 09:52:08,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 09:52:08,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 09:52:08,421 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 -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-28 09:52:08,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 09:52:08,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 09:52:08,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 09:52:08,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 09:52:08,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 09:52:08,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 09:52:08,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e9ed6878/01a9a99676cb4abdbdb796d890ab0aed/FLAGb0f3f702f [2019-11-28 09:52:09,361 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 09:52:09,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 09:52:09,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e9ed6878/01a9a99676cb4abdbdb796d890ab0aed/FLAGb0f3f702f [2019-11-28 09:52:09,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e9ed6878/01a9a99676cb4abdbdb796d890ab0aed [2019-11-28 09:52:09,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 09:52:09,641 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 09:52:09,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 09:52:09,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 09:52:09,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 09:52:09,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:52:09" (1/1) ... [2019-11-28 09:52:09,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a679e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:09, skipping insertion in model container [2019-11-28 09:52:09,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:52:09" (1/1) ... [2019-11-28 09:52:09,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 09:52:09,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 09:52:10,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:52:10,295 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 09:52:10,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ec36d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:10, skipping insertion in model container [2019-11-28 09:52:10,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 09:52:10,297 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 09:52:10,300 INFO L168 Benchmark]: Toolchain (without parser) took 657.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 09:52:10,300 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:52:10,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 09:52:10,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 654.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 26.0 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 0.1.24-c9c8a75 [2019-11-28 09:52:12,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 09:52:12,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 09:52:12,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 09:52:12,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 09:52:12,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 09:52:12,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 09:52:12,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 09:52:12,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 09:52:12,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 09:52:12,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 09:52:12,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 09:52:12,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 09:52:12,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 09:52:12,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 09:52:12,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 09:52:12,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 09:52:12,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 09:52:12,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 09:52:12,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 09:52:12,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 09:52:12,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 09:52:12,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 09:52:12,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 09:52:12,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 09:52:12,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 09:52:12,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 09:52:12,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 09:52:12,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 09:52:12,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 09:52:12,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 09:52:12,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 09:52:12,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 09:52:12,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 09:52:12,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 09:52:12,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 09:52:12,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 09:52:12,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 09:52:12,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 09:52:12,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 09:52:12,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 09:52:12,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 09:52:12,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 09:52:12,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 09:52:12,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 09:52:12,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 09:52:12,191 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 09:52:12,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 09:52:12,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 09:52:12,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 09:52:12,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 09:52:12,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 09:52:12,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 09:52:12,192 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 09:52:12,192 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 09:52:12,192 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 09:52:12,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 09:52:12,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 09:52:12,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 09:52:12,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 09:52:12,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 09:52:12,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 09:52:12,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 09:52:12,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 09:52:12,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 09:52:12,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 09:52:12,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 09:52:12,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 09:52:12,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 09:52:12,195 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 09:52:12,196 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 09:52:12,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 09:52:12,196 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 -> 43035c6e49855e15ec870efd7c9282b8311d43cd [2019-11-28 09:52:12,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 09:52:12,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 09:52:12,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 09:52:12,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 09:52:12,524 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 09:52:12,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 09:52:12,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba39ba9aa/1d343dcc4a8d4f33a07dcd6f004325a8/FLAGd08894570 [2019-11-28 09:52:13,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 09:52:13,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-28 09:52:13,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba39ba9aa/1d343dcc4a8d4f33a07dcd6f004325a8/FLAGd08894570 [2019-11-28 09:52:13,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba39ba9aa/1d343dcc4a8d4f33a07dcd6f004325a8 [2019-11-28 09:52:13,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 09:52:13,507 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 09:52:13,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 09:52:13,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 09:52:13,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 09:52:13,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:52:13" (1/1) ... [2019-11-28 09:52:13,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4877c490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:13, skipping insertion in model container [2019-11-28 09:52:13,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:52:13" (1/1) ... [2019-11-28 09:52:13,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 09:52:13,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 09:52:14,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:52:14,057 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 09:52:14,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 09:52:14,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:52:14,169 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 09:52:14,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:52:14,335 INFO L208 MainTranslator]: Completed translation [2019-11-28 09:52:14,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14 WrapperNode [2019-11-28 09:52:14,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 09:52:14,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 09:52:14,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 09:52:14,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 09:52:14,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... [2019-11-28 09:52:14,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... [2019-11-28 09:52:14,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... [2019-11-28 09:52:14,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... [2019-11-28 09:52:14,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... [2019-11-28 09:52:14,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... [2019-11-28 09:52:14,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... [2019-11-28 09:52:14,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 09:52:14,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 09:52:14,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 09:52:14,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 09:52:14,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 09:52:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 09:52:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 09:52:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 09:52:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 09:52:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 09:52:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 09:52:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 09:52:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 09:52:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 09:52:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 09:52:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 09:52:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 09:52:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 09:52:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 09:52:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 09:52:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 09:52:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 09:52:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 09:52:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 09:52:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 09:52:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 09:52:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 09:52:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 09:52:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 09:52:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 09:52:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 09:52:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 09:52:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 09:52:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 09:52:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 09:52:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 09:52:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 09:52:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 09:52:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 09:52:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 09:52:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 09:52:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 09:52:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 09:52:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 09:52:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 09:52:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 09:52:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 09:52:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-28 09:52:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-28 09:52:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 09:52:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 09:52:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 09:52:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 09:52:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 09:52:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 09:52:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 09:52:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 09:52:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 09:52:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 09:52:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 09:52:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 09:52:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 09:52:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 09:52:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 09:52:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 09:52:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 09:52:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 09:52:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 09:52:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 09:52:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 09:52:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 09:52:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 09:52:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 09:52:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 09:52:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 09:52:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 09:52:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 09:52:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 09:52:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 09:52:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 09:52:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 09:52:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 09:52:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 09:52:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 09:52:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 09:52:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 09:52:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 09:52:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 09:52:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 09:52:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 09:52:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 09:52:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 09:52:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 09:52:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 09:52:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 09:52:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 09:52:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 09:52:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 09:52:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 09:52:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 09:52:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 09:52:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 09:52:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 09:52:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 09:52:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 09:52:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 09:52:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 09:52:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 09:52:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 09:52:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 09:52:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 09:52:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 09:52:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 09:52:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 09:52:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 09:52:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 09:52:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 09:52:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 09:52:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 09:52:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 09:52:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 09:52:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 09:52:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 09:52:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 09:52:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 09:52:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 09:52:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 09:52:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 09:52:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 09:52:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 09:52:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 09:52:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 09:52:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 09:52:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 09:52:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 09:52:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 09:52:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 09:52:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 09:52:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 09:52:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 09:52:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 09:52:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 09:52:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 09:52:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 09:52:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 09:52:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 09:52:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 09:52:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 09:52:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 09:52:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 09:52:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 09:52:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 09:52:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 09:52:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 09:52:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 09:52:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 09:52:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 09:52:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 09:52:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 09:52:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 09:52:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 09:52:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 09:52:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 09:52:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 09:52:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 09:52:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 09:52:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 09:52:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 09:52:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 09:52:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 09:52:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 09:52:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 09:52:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 09:52:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 09:52:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 09:52:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 09:52:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 09:52:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 09:52:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 09:52:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 09:52:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 09:52:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 09:52:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 09:52:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 09:52:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 09:52:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 09:52:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 09:52:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 09:52:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 09:52:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 09:52:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 09:52:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 09:52:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 09:52:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-28 09:52:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-28 09:52:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 09:52:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 09:52:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 09:52:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 09:52:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 09:52:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 09:52:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 09:52:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 09:52:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 09:52:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 09:52:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 09:52:15,265 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 09:52:15,715 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 09:52:16,263 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 09:52:16,263 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 09:52:16,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:52:16 BoogieIcfgContainer [2019-11-28 09:52:16,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 09:52:16,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 09:52:16,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 09:52:16,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 09:52:16,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 09:52:13" (1/3) ... [2019-11-28 09:52:16,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b0f428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 09:52:16, skipping insertion in model container [2019-11-28 09:52:16,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:52:14" (2/3) ... [2019-11-28 09:52:16,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b0f428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 09:52:16, skipping insertion in model container [2019-11-28 09:52:16,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:52:16" (3/3) ... [2019-11-28 09:52:16,275 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-28 09:52:16,287 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 09:52:16,297 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-28 09:52:16,310 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-28 09:52:16,338 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 09:52:16,338 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 09:52:16,338 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 09:52:16,339 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 09:52:16,339 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 09:52:16,339 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 09:52:16,340 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 09:52:16,340 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 09:52:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-28 09:52:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 09:52:16,385 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:52:16,386 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:52:16,387 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:52:16,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:52:16,393 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2019-11-28 09:52:16,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:52:16,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758605034] [2019-11-28 09:52:16,406 INFO L94 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 [2019-11-28 09:52:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:52:16,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 09:52:16,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:52:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:52:16,655 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 09:52:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:52:16,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758605034] [2019-11-28 09:52:16,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 09:52:16,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 09:52:16,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579340098] [2019-11-28 09:52:16,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 09:52:16,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 09:52:16,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 09:52:16,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 09:52:16,795 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-28 09:52:17,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 09:52:17,120 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-28 09:52:17,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 09:52:17,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-28 09:52:17,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 09:52:17,145 INFO L225 Difference]: With dead ends: 163 [2019-11-28 09:52:17,146 INFO L226 Difference]: Without dead ends: 160 [2019-11-28 09:52:17,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 09:52:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-28 09:52:17,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-28 09:52:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 09:52:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-28 09:52:17,210 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-28 09:52:17,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 09:52:17,210 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-28 09:52:17,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 09:52:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-28 09:52:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 09:52:17,213 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:52:17,213 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:52:17,413 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 09:52:17,415 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:52:17,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:52:17,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2019-11-28 09:52:17,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:52:17,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146018243] [2019-11-28 09:52:17,418 INFO L94 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 [2019-11-28 09:52:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:52:17,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 09:52:17,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:52:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:52:17,564 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 09:52:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:52:17,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146018243] [2019-11-28 09:52:17,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 09:52:17,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 09:52:17,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479359000] [2019-11-28 09:52:17,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 09:52:17,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 09:52:17,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 09:52:17,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 09:52:17,624 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-28 09:52:17,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 09:52:17,896 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-28 09:52:17,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 09:52:17,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-28 09:52:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 09:52:17,902 INFO L225 Difference]: With dead ends: 156 [2019-11-28 09:52:17,902 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 09:52:17,905 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 09:52:17,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 09:52:17,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-28 09:52:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-28 09:52:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-28 09:52:17,973 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-28 09:52:17,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 09:52:17,974 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-28 09:52:17,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 09:52:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-28 09:52:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 09:52:17,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:52:17,977 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:52:18,190 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 09:52:18,191 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:52:18,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:52:18,195 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2019-11-28 09:52:18,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:52:18,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905989014] [2019-11-28 09:52:18,197 INFO L94 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 [2019-11-28 09:52:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:52:18,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 09:52:18,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:52:18,426 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 09:52:18,426 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:52:18,430 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:52:18,430 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:52:18,430 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 09:52:18,538 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:52:18,539 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-28 09:52:18,540 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:52:18,570 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-28 09:52:18,571 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 09:52:18,571 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-28 09:52:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:52:18,602 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 09:52:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:52:23,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905989014] [2019-11-28 09:52:23,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 09:52:23,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-28 09:52:23,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328895575] [2019-11-28 09:52:23,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 09:52:23,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 09:52:23,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 09:52:23,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-28 09:52:23,020 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-28 09:53:03,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 09:53:03,947 INFO L93 Difference]: Finished difference Result 233 states and 268 transitions. [2019-11-28 09:53:03,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 09:53:03,947 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-28 09:53:03,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 09:53:03,951 INFO L225 Difference]: With dead ends: 233 [2019-11-28 09:53:03,952 INFO L226 Difference]: Without dead ends: 233 [2019-11-28 09:53:03,952 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=84, Invalid=295, Unknown=1, NotChecked=0, Total=380 [2019-11-28 09:53:03,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-11-28 09:53:03,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 119. [2019-11-28 09:53:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 09:53:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-28 09:53:03,970 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-28 09:53:03,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 09:53:03,971 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-28 09:53:03,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 09:53:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-28 09:53:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 09:53:03,972 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:53:03,972 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:53:04,172 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 09:53:04,173 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:53:04,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:53:04,174 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2019-11-28 09:53:04,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:53:04,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675777504] [2019-11-28 09:53:04,175 INFO L94 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 [2019-11-28 09:53:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:53:04,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-28 09:53:04,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:53:04,315 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 09:53:04,315 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:53:04,329 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:53:04,334 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 09:53:04,335 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 09:53:04,344 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:53:04,345 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:53:04,345 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-28 09:53:06,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 09:53:06,496 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-28 09:53:06,497 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:53:06,510 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:53:06,522 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:53:06,522 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 09:53:06,524 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 09:53:06,539 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:53:06,540 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:53:06,540 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-28 09:53:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:53:06,563 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 09:53:06,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 09:53:06,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 09:53:06,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 09:53:06,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 09:53:12,668 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-28 09:53:12,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 09:53:15,697 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-28 09:53:15,705 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 09:53:15,705 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:53:15,717 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:53:15,719 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 09:53:15,720 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 09:53:15,730 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:53:15,730 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:53:15,731 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-28 09:53:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:53:15,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675777504] [2019-11-28 09:53:15,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 09:53:15,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-28 09:53:15,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691676108] [2019-11-28 09:53:15,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-28 09:53:15,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 09:53:15,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-28 09:53:15,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=199, Unknown=4, NotChecked=0, Total=240 [2019-11-28 09:53:15,865 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-28 09:53:28,422 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 12 [2019-11-28 09:53:51,052 WARN L192 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-11-28 09:54:07,459 WARN L192 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2019-11-28 09:54:48,669 WARN L192 SmtUtils]: Spent 20.32 s on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-11-28 09:55:22,101 WARN L192 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-28 09:55:34,944 WARN L192 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-11-28 09:55:52,200 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 20 [2019-11-28 09:56:05,106 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-11-28 09:56:21,509 WARN L192 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2019-11-28 09:57:21,084 WARN L838 $PredicateComparison]: unable to prove that (and (= (bvadd (select |c_#length| c_entry_point_~a10~0.base) (_ bv4294967292 32)) (_ bv0 32)) (forall ((v_entry_point_~a10~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)))) (or (not (bvule v_entry_point_~a10~0.offset_BEFORE_CALL_2 .cse0)) (exists ((v_prenex_1 (_ BitVec 32)) (v_ldv_malloc_~size_25 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1)) (not (bvule (bvadd v_entry_point_~a10~0.offset_BEFORE_CALL_2 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_1 v_ldv_malloc_~size_25) v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (bvule .cse0 (select |c_#length| v_entry_point_~a10~0.base_BEFORE_CALL_4))))) (exists ((|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|))) (= (_ bv0 32) c_entry_point_~a10~0.offset) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|)))) is different from false [2019-11-28 09:58:15,397 WARN L192 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2019-11-28 09:59:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 09:59:56,629 INFO L93 Difference]: Finished difference Result 268 states and 304 transitions. [2019-11-28 09:59:56,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 09:59:56,631 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-28 09:59:56,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 09:59:56,633 INFO L225 Difference]: With dead ends: 268 [2019-11-28 09:59:56,633 INFO L226 Difference]: Without dead ends: 268 [2019-11-28 09:59:56,634 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 131.3s TimeCoverageRelationStatistics Valid=162, Invalid=686, Unknown=26, NotChecked=56, Total=930 [2019-11-28 09:59:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2019-11-28 09:59:56,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 142. [2019-11-28 09:59:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-28 09:59:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 181 transitions. [2019-11-28 09:59:56,657 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 181 transitions. Word has length 19 [2019-11-28 09:59:56,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 09:59:56,658 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 181 transitions. [2019-11-28 09:59:56,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-28 09:59:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 181 transitions. [2019-11-28 09:59:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 09:59:56,659 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:59:56,659 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:59:56,866 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 09:59:56,867 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:59:56,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:59:56,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2019-11-28 09:59:56,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:59:56,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45616134] [2019-11-28 09:59:56,869 INFO L94 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 [2019-11-28 09:59:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:59:56,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 09:59:56,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:59:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:59:57,016 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 09:59:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 09:59:57,053 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45616134] [2019-11-28 09:59:57,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 09:59:57,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-28 09:59:57,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702294389] [2019-11-28 09:59:57,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 09:59:57,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 09:59:57,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 09:59:57,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 09:59:57,054 INFO L87 Difference]: Start difference. First operand 142 states and 181 transitions. Second operand 5 states. [2019-11-28 09:59:57,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 09:59:57,117 INFO L93 Difference]: Finished difference Result 129 states and 159 transitions. [2019-11-28 09:59:57,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 09:59:57,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-28 09:59:57,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 09:59:57,119 INFO L225 Difference]: With dead ends: 129 [2019-11-28 09:59:57,120 INFO L226 Difference]: Without dead ends: 127 [2019-11-28 09:59:57,120 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 09:59:57,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-28 09:59:57,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-11-28 09:59:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 09:59:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 157 transitions. [2019-11-28 09:59:57,130 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 157 transitions. Word has length 19 [2019-11-28 09:59:57,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 09:59:57,131 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 157 transitions. [2019-11-28 09:59:57,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 09:59:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 157 transitions. [2019-11-28 09:59:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 09:59:57,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:59:57,132 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:59:57,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 09:59:57,340 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:59:57,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:59:57,341 INFO L82 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2019-11-28 09:59:57,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:59:57,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190549766] [2019-11-28 09:59:57,342 INFO L94 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 [2019-11-28 09:59:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:59:57,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 09:59:57,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:59:57,508 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 09:59:57,509 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:59:57,514 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:59:57,515 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:59:57,515 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-28 09:59:57,527 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2019-11-28 09:59:57,527 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:59:57,529 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:59:57,529 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:59:57,530 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-28 09:59:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 09:59:57,537 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 09:59:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 09:59:57,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190549766] [2019-11-28 09:59:57,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 09:59:57,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-28 09:59:57,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355882413] [2019-11-28 09:59:57,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 09:59:57,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 09:59:57,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 09:59:57,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 09:59:57,579 INFO L87 Difference]: Start difference. First operand 127 states and 157 transitions. Second operand 6 states. [2019-11-28 09:59:57,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 09:59:57,791 INFO L93 Difference]: Finished difference Result 130 states and 159 transitions. [2019-11-28 09:59:57,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 09:59:57,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 09:59:57,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 09:59:57,793 INFO L225 Difference]: With dead ends: 130 [2019-11-28 09:59:57,793 INFO L226 Difference]: Without dead ends: 130 [2019-11-28 09:59:57,794 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-28 09:59:57,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-28 09:59:57,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2019-11-28 09:59:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 09:59:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 156 transitions. [2019-11-28 09:59:57,813 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 156 transitions. Word has length 24 [2019-11-28 09:59:57,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 09:59:57,814 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 156 transitions. [2019-11-28 09:59:57,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 09:59:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions. [2019-11-28 09:59:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 09:59:57,818 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:59:57,818 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:59:58,019 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 09:59:58,020 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:59:58,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:59:58,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1543942045, now seen corresponding path program 1 times [2019-11-28 09:59:58,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:59:58,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294374744] [2019-11-28 09:59:58,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 09:59:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:59:58,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 09:59:58,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:59:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 09:59:58,273 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 09:59:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 09:59:58,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294374744] [2019-11-28 09:59:58,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 09:59:58,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2019-11-28 09:59:58,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909591438] [2019-11-28 09:59:58,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 09:59:58,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 09:59:58,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 09:59:58,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 09:59:58,390 INFO L87 Difference]: Start difference. First operand 127 states and 156 transitions. Second operand 10 states. [2019-11-28 09:59:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 09:59:58,731 INFO L93 Difference]: Finished difference Result 130 states and 158 transitions. [2019-11-28 09:59:58,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 09:59:58,732 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-28 09:59:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 09:59:58,734 INFO L225 Difference]: With dead ends: 130 [2019-11-28 09:59:58,735 INFO L226 Difference]: Without dead ends: 128 [2019-11-28 09:59:58,735 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-28 09:59:58,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-28 09:59:58,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-11-28 09:59:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 09:59:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2019-11-28 09:59:58,743 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 24 [2019-11-28 09:59:58,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 09:59:58,744 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2019-11-28 09:59:58,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 09:59:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2019-11-28 09:59:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 09:59:58,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:59:58,746 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 09:59:58,956 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 09:59:58,958 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 09:59:58,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:59:58,959 INFO L82 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2019-11-28 09:59:58,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:59:58,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047866687] [2019-11-28 09:59:58,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-28 09:59:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 09:59:59,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 09:59:59,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 09:59:59,149 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 09:59:59,150 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:59:59,152 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:59:59,152 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:59:59,153 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 09:59:59,182 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 09:59:59,182 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:59:59,192 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:59:59,192 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:59:59,193 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-28 09:59:59,214 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-28 09:59:59,215 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:59:59,219 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:59:59,219 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 09:59:59,219 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2019-11-28 09:59:59,301 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 09:59:59,302 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-28 09:59:59,303 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 09:59:59,330 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-28 09:59:59,331 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 09:59:59,332 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-28 09:59:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 09:59:59,359 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:00:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:00:01,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047866687] [2019-11-28 10:00:01,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:00:01,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-28 10:00:01,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158641721] [2019-11-28 10:00:01,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 10:00:01,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:00:01,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 10:00:01,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-28 10:00:01,782 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand 15 states. [2019-11-28 10:00:37,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:00:37,345 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2019-11-28 10:00:37,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 10:00:37,346 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2019-11-28 10:00:37,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:00:37,347 INFO L225 Difference]: With dead ends: 161 [2019-11-28 10:00:37,347 INFO L226 Difference]: Without dead ends: 161 [2019-11-28 10:00:37,348 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2019-11-28 10:00:37,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-11-28 10:00:37,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 129. [2019-11-28 10:00:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-28 10:00:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 157 transitions. [2019-11-28 10:00:37,357 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 157 transitions. Word has length 29 [2019-11-28 10:00:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:00:37,357 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 157 transitions. [2019-11-28 10:00:37,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 10:00:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 157 transitions. [2019-11-28 10:00:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 10:00:37,359 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:00:37,359 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:00:37,571 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-28 10:00:37,572 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:00:37,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:00:37,573 INFO L82 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2019-11-28 10:00:37,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:00:37,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799008244] [2019-11-28 10:00:37,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-28 10:00:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:00:37,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 10:00:37,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:00:37,731 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:00:37,731 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,740 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:37,744 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 10:00:37,744 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,774 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:37,774 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,775 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-28 10:00:37,809 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 10:00:37,809 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,822 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:37,829 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 10:00:37,829 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,841 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:37,841 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,842 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:30 [2019-11-28 10:00:37,870 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2019-11-28 10:00:37,871 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,884 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:37,890 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-28 10:00:37,891 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,899 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:37,900 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:00:37,900 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2019-11-28 10:00:40,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 10:00:40,030 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-28 10:00:40,030 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:40,045 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:40,056 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:40,057 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 10:00:40,058 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:40,069 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:40,070 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:00:40,070 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-28 10:00:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 10:00:40,099 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:00:40,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:00:40,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:00:40,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:00:40,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:00:43,633 WARN L192 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-28 10:00:43,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 10:00:44,713 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-28 10:00:44,721 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 10:00:44,721 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:44,733 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:44,734 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 10:00:44,735 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 10:00:44,743 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:00:44,744 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:00:44,744 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-28 10:00:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 10:00:44,844 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799008244] [2019-11-28 10:00:44,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 10:00:44,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-28 10:00:44,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377839665] [2019-11-28 10:00:44,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 10:00:44,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:00:44,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 10:00:44,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=261, Unknown=3, NotChecked=0, Total=306 [2019-11-28 10:00:44,846 INFO L87 Difference]: Start difference. First operand 129 states and 157 transitions. Second operand 18 states. [2019-11-28 10:01:13,781 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse0 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_prenex_4 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (not (bvule (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_4 v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) (bvule .cse0 (select |c_#length| |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse0))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|) (forall ((|v_ldv_malloc_#t~malloc12.base_54| (_ BitVec 32)) (|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (ldv_malloc_~size (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse1 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_54|) (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (not (bvule (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_4 v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) (bvule .cse1 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_54| ldv_malloc_~size) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse1))))) (exists ((|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_53|) (_ bv0 1)))) is different from false [2019-11-28 10:01:15,811 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse0 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_prenex_4 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (not (bvule (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_4 v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) (bvule .cse0 (select |c_#length| |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse0))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|) (exists ((|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_53|) (_ bv0 1)))) is different from false [2019-11-28 10:01:35,561 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (let ((.cse0 (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)))) (or (exists ((v_prenex_4 (_ BitVec 32)) (v_ldv_malloc_~size_61 (_ BitVec 32))) (and (not (bvule (bvadd |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ bv4 32)) (select (store |c_old(#length)| v_prenex_4 v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_4)))) (bvule .cse0 (select |c_#length| |v_entry_point_#t~mem47.base_BEFORE_CALL_4|)) (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| .cse0))))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (= |c_#valid| |c_old(#valid)|) (= |c_old(#length)| |c_#length|) (exists ((|v_ldv_malloc_#t~malloc12.base_53| (_ BitVec 32))) (= (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_53|) (_ bv0 1)))) is different from false [2019-11-28 10:02:12,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:02:12,472 INFO L93 Difference]: Finished difference Result 136 states and 163 transitions. [2019-11-28 10:02:12,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 10:02:12,477 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-28 10:02:12,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:02:12,478 INFO L225 Difference]: With dead ends: 136 [2019-11-28 10:02:12,478 INFO L226 Difference]: Without dead ends: 136 [2019-11-28 10:02:12,479 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=78, Invalid=431, Unknown=9, NotChecked=132, Total=650 [2019-11-28 10:02:12,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-28 10:02:12,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 129. [2019-11-28 10:02:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-28 10:02:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 155 transitions. [2019-11-28 10:02:12,486 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 155 transitions. Word has length 29 [2019-11-28 10:02:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:02:12,487 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 155 transitions. [2019-11-28 10:02:12,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 10:02:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 155 transitions. [2019-11-28 10:02:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 10:02:12,490 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:02:12,490 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:02:12,691 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-28 10:02:12,692 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:02:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:02:12,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2019-11-28 10:02:12,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:02:12,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547531738] [2019-11-28 10:02:12,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-28 10:02:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:02:12,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 10:02:12,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:02:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:02:14,935 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:02:19,370 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-28 10:02:19,372 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 10:02:19,378 INFO L168 Benchmark]: Toolchain (without parser) took 605871.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.8 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -220.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-11-28 10:02:19,379 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:02:19,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -120.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-28 10:02:19,380 INFO L168 Benchmark]: Boogie Preprocessor took 159.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:02:19,380 INFO L168 Benchmark]: RCFGBuilder took 1769.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 939.5 MB in the end (delta: 128.3 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. [2019-11-28 10:02:19,381 INFO L168 Benchmark]: TraceAbstraction took 603109.91 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 135.3 MB). Free memory was 939.5 MB in the beginning and 1.2 GB in the end (delta: -232.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:02:19,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 827.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -120.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 159.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1769.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 939.5 MB in the end (delta: 128.3 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 603109.91 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 135.3 MB). Free memory was 939.5 MB in the beginning and 1.2 GB in the end (delta: -232.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...