./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_test16.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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ............................................................................................................................. 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 -Xmx15G -Xms4m -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_test16.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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:00:55,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:00:55,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:00:55,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:00:55,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:00:55,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:00:55,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:00:55,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:00:55,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:00:55,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:00:55,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:00:55,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:00:55,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:00:55,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:00:55,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:00:55,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:00:55,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:00:55,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:00:55,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:00:55,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:00:55,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:00:55,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:00:55,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:00:55,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:00:55,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:00:55,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:00:55,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:00:55,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:00:55,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:00:55,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:00:55,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:00:55,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:00:55,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:00:55,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:00:55,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:00:55,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:00:55,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:00:55,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:00:55,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:00:55,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:00:55,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:00:55,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:00:55,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:00:55,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:00:55,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:00:55,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:00:55,481 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:00:55,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:00:55,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:00:55,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:00:55,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:00:55,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:00:55,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:00:55,483 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:00:55,483 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:00:55,484 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:00:55,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:00:55,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:00:55,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:00:55,488 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:00:55,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:00:55,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:00:55,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:00:55,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:00:55,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:00:55,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:00:55,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:00:55,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:00:55,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:00:55,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:00:55,491 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 -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2020-10-20 06:00:55,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:00:55,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:00:55,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:00:55,686 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:00:55,687 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:00:55,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-10-20 06:00:55,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfc1fac81/f0521639e332415b8b90403a7ec76d01/FLAG9d189e94b [2020-10-20 06:00:56,365 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:00:56,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-10-20 06:00:56,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfc1fac81/f0521639e332415b8b90403a7ec76d01/FLAG9d189e94b [2020-10-20 06:00:56,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfc1fac81/f0521639e332415b8b90403a7ec76d01 [2020-10-20 06:00:56,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:00:56,681 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:00:56,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:56,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:00:56,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:00:56,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:56" (1/1) ... [2020-10-20 06:00:56,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651199fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:56, skipping insertion in model container [2020-10-20 06:00:56,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:56" (1/1) ... [2020-10-20 06:00:56,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:00:56,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:57,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:57,213 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 06:00:57,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71229533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:57, skipping insertion in model container [2020-10-20 06:00:57,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:57,215 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:00:57,219 INFO L168 Benchmark]: Toolchain (without parser) took 541.94 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 15.8 MB in the beginning and 24.0 MB in the end (delta: -8.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:57,220 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.1 MB in the end (delta: 27.5 kB). Peak memory consumption was 27.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:57,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.08 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 15.0 MB in the beginning and 24.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:57,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.1 MB in the end (delta: 27.5 kB). Peak memory consumption was 27.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 532.08 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 15.0 MB in the beginning and 24.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:00:59,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:00:59,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:00:59,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:00:59,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:00:59,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:00:59,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:00:59,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:00:59,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:00:59,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:00:59,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:00:59,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:00:59,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:00:59,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:00:59,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:00:59,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:00:59,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:00:59,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:00:59,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:00:59,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:00:59,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:00:59,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:00:59,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:00:59,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:00:59,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:00:59,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:00:59,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:00:59,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:00:59,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:00:59,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:00:59,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:00:59,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:00:59,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:00:59,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:00:59,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:00:59,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:00:59,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:00:59,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:00:59,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:00:59,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:00:59,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:00:59,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:00:59,298 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:00:59,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:00:59,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:00:59,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:00:59,299 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:00:59,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:00:59,300 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:00:59,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:00:59,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:00:59,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:00:59,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:00:59,301 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:00:59,301 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:00:59,301 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:00:59,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:00:59,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:00:59,302 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:00:59,302 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:00:59,302 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:00:59,302 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:00:59,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:00:59,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:00:59,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:00:59,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:00:59,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:00:59,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:00:59,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:00:59,304 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:00:59,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:00:59,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:00:59,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:00:59,304 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 -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2020-10-20 06:00:59,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:00:59,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:00:59,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:00:59,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:00:59,546 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:00:59,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-10-20 06:00:59,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872007ec3/ae1f9d7d0e2645daa11b18c2cf74cd90/FLAG4b0105d4d [2020-10-20 06:01:00,146 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:01:00,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-10-20 06:01:00,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872007ec3/ae1f9d7d0e2645daa11b18c2cf74cd90/FLAG4b0105d4d [2020-10-20 06:01:00,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872007ec3/ae1f9d7d0e2645daa11b18c2cf74cd90 [2020-10-20 06:01:00,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:01:00,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:01:00,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:00,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:01:00,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:01:00,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:00" (1/1) ... [2020-10-20 06:01:00,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5636da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:00, skipping insertion in model container [2020-10-20 06:01:00,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:00" (1/1) ... [2020-10-20 06:01:00,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:01:00,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:00,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:01,025 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:01:01,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:01,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:01,166 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:01:01,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:01,369 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:01:01,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01 WrapperNode [2020-10-20 06:01:01,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:01,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:01:01,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:01:01,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:01:01,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... [2020-10-20 06:01:01,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... [2020-10-20 06:01:01,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... [2020-10-20 06:01:01,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... [2020-10-20 06:01:01,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... [2020-10-20 06:01:01,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... [2020-10-20 06:01:01,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... [2020-10-20 06:01:01,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:01:01,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:01:01,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:01:01,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:01:01,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:01:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:01:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:01:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:01:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:01:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:01:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:01:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:01:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:01:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:01:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:01:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:01:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:01:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:01:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:01:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:01:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:01:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:01:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:01:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:01:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:01:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:01:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:01:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:01:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:01:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:01:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:01:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:01:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:01:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:01:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:01:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:01:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:01:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2020-10-20 06:01:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:01:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:01:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:01:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:01:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:01:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:01:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:01:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:01:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:01:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:01:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:01:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:01:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:01:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:01:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:01:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:01:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:01:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:01:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:01:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:01:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:01:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:01:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:01:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:01:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:01:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:01:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:01:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:01:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:01:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:01:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:01:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:01:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:01:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:01:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:01:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:01:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:01:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:01:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:01:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:01:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:01:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:01:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:01:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:01:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:01:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:01:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:01:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:01:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:01:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:01:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:01:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:01:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:01:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:01:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:01:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:01:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:01:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:01:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:01:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:01:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:01:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:01:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:01:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:01:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:01:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:01:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:01:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:01:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:01:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:01:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:01:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:01:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:01:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:01:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:01:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:01:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:01:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:01:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:01:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:01:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:01:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:01:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:01:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:01:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:01:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:01:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:01:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:01:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:01:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:01:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:01:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:01:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2020-10-20 06:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:01:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:01:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:01:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:01:02,254 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:02,655 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:02,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:01:02,981 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:01:02,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:02 BoogieIcfgContainer [2020-10-20 06:01:02,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:01:02,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:01:02,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:01:02,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:01:02,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:01:00" (1/3) ... [2020-10-20 06:01:02,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32699964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:02, skipping insertion in model container [2020-10-20 06:01:02,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:01" (2/3) ... [2020-10-20 06:01:02,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32699964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:02, skipping insertion in model container [2020-10-20 06:01:02,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:02" (3/3) ... [2020-10-20 06:01:02,993 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2020-10-20 06:01:03,005 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:01:03,013 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-20 06:01:03,027 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-20 06:01:03,048 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:01:03,049 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:01:03,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:01:03,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:01:03,049 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:01:03,049 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:01:03,049 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:01:03,049 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:01:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-10-20 06:01:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 06:01:03,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:03,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:03,080 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:03,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:03,087 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2020-10-20 06:01:03,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:03,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744655740] [2020-10-20 06:01:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:03,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:01:03,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:03,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:03,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744655740] [2020-10-20 06:01:03,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:03,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2020-10-20 06:01:03,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604932343] [2020-10-20 06:01:03,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 06:01:03,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:03,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 06:01:03,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:01:03,501 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2020-10-20 06:01:03,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:03,600 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2020-10-20 06:01:03,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 06:01:03,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-10-20 06:01:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:03,614 INFO L225 Difference]: With dead ends: 49 [2020-10-20 06:01:03,614 INFO L226 Difference]: Without dead ends: 46 [2020-10-20 06:01:03,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:01:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-20 06:01:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-10-20 06:01:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 06:01:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-10-20 06:01:03,660 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2020-10-20 06:01:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:03,661 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-10-20 06:01:03,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 06:01:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-10-20 06:01:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 06:01:03,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:03,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:03,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:01:03,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:03,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:03,879 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2020-10-20 06:01:03,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:03,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254571258] [2020-10-20 06:01:03,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:04,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:01:04,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:04,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:04,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:04,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254571258] [2020-10-20 06:01:04,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:04,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:01:04,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542017696] [2020-10-20 06:01:04,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:01:04,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:04,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:01:04,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:01:04,167 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2020-10-20 06:01:04,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:04,215 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2020-10-20 06:01:04,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:01:04,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-20 06:01:04,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:04,218 INFO L225 Difference]: With dead ends: 54 [2020-10-20 06:01:04,218 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 06:01:04,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:01:04,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 06:01:04,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 06:01:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 06:01:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2020-10-20 06:01:04,232 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2020-10-20 06:01:04,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:04,233 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2020-10-20 06:01:04,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:01:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-10-20 06:01:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:01:04,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:04,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:04,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:01:04,469 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:04,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:04,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2020-10-20 06:01:04,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:04,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567820147] [2020-10-20 06:01:04,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:04,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:01:04,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:04,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:04,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567820147] [2020-10-20 06:01:04,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:04,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:01:04,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291348242] [2020-10-20 06:01:04,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:01:04,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:04,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:01:04,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:01:04,816 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2020-10-20 06:01:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:04,864 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-20 06:01:04,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:01:04,881 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-20 06:01:04,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:04,883 INFO L225 Difference]: With dead ends: 42 [2020-10-20 06:01:04,883 INFO L226 Difference]: Without dead ends: 42 [2020-10-20 06:01:04,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:01:04,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-20 06:01:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-20 06:01:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 06:01:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-10-20 06:01:04,891 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2020-10-20 06:01:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:04,892 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-10-20 06:01:04,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:01:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-10-20 06:01:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 06:01:04,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:04,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:05,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:01:05,111 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:05,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:05,112 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2020-10-20 06:01:05,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:05,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643340507] [2020-10-20 06:01:05,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:05,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:01:05,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:05,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:05,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643340507] [2020-10-20 06:01:05,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:05,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2020-10-20 06:01:05,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883313699] [2020-10-20 06:01:05,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-20 06:01:05,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:05,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-20 06:01:05,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-20 06:01:05,805 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2020-10-20 06:01:06,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:06,231 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2020-10-20 06:01:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-20 06:01:06,235 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2020-10-20 06:01:06,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:06,236 INFO L225 Difference]: With dead ends: 53 [2020-10-20 06:01:06,236 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 06:01:06,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-10-20 06:01:06,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 06:01:06,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2020-10-20 06:01:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-20 06:01:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2020-10-20 06:01:06,243 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2020-10-20 06:01:06,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:06,243 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2020-10-20 06:01:06,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-20 06:01:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2020-10-20 06:01:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 06:01:06,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:06,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:06,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:01:06,446 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:06,447 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2020-10-20 06:01:06,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:06,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260292035] [2020-10-20 06:01:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:06,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:01:06,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:06,625 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:01:06,626 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:06,629 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:06,629 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:06,630 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:01:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:06,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:06,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260292035] [2020-10-20 06:01:06,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:06,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:01:06,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707419676] [2020-10-20 06:01:06,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:01:06,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:06,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:01:06,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:01:06,792 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2020-10-20 06:01:06,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:06,927 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2020-10-20 06:01:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:01:06,929 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-10-20 06:01:06,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:06,931 INFO L225 Difference]: With dead ends: 50 [2020-10-20 06:01:06,931 INFO L226 Difference]: Without dead ends: 50 [2020-10-20 06:01:06,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:01:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-20 06:01:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2020-10-20 06:01:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-20 06:01:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2020-10-20 06:01:06,938 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2020-10-20 06:01:06,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:06,938 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2020-10-20 06:01:06,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:01:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2020-10-20 06:01:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 06:01:06,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:06,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:07,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 06:01:07,142 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:07,143 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2020-10-20 06:01:07,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:07,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872444015] [2020-10-20 06:01:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:07,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:01:07,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:07,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:07,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872444015] [2020-10-20 06:01:07,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:07,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:01:07,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033339876] [2020-10-20 06:01:07,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:01:07,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:07,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:01:07,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:01:07,484 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2020-10-20 06:01:07,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:07,543 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2020-10-20 06:01:07,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:01:07,544 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-10-20 06:01:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:07,546 INFO L225 Difference]: With dead ends: 47 [2020-10-20 06:01:07,546 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 06:01:07,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:01:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 06:01:07,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-10-20 06:01:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 06:01:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-10-20 06:01:07,552 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2020-10-20 06:01:07,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:07,552 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-10-20 06:01:07,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:01:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-10-20 06:01:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 06:01:07,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:07,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:07,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-20 06:01:07,757 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:07,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:07,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2020-10-20 06:01:07,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:07,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849061133] [2020-10-20 06:01:07,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:07,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:01:07,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:07,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849061133] [2020-10-20 06:01:07,900 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:07,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [226916368] [2020-10-20 06:01:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:01:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:08,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:01:08,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:08,134 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:08,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111019664] [2020-10-20 06:01:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:01:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:08,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:01:08,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:08,280 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:01:08,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:08,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 06:01:08,281 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 06:01:08,281 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:01:08,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:01:08,898 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-20 06:01:08,906 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 06:01:08,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:01:08 BoogieIcfgContainer [2020-10-20 06:01:08,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:01:08,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:01:08,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:01:08,907 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:01:08,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:02" (3/4) ... [2020-10-20 06:01:08,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:01:08,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:01:08,913 INFO L168 Benchmark]: Toolchain (without parser) took 8470.05 ms. Allocated memory was 36.2 MB in the beginning and 98.0 MB in the end (delta: 61.9 MB). Free memory was 14.6 MB in the beginning and 41.6 MB in the end (delta: -27.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:08,916 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 34.1 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:08,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.18 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 13.7 MB in the beginning and 20.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:08,918 INFO L168 Benchmark]: Boogie Preprocessor took 100.19 ms. Allocated memory is still 46.7 MB. Free memory was 20.5 MB in the beginning and 15.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:08,922 INFO L168 Benchmark]: RCFGBuilder took 1512.63 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 15.1 MB in the beginning and 32.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:08,923 INFO L168 Benchmark]: TraceAbstraction took 5921.30 ms. Allocated memory was 56.6 MB in the beginning and 98.0 MB in the end (delta: 41.4 MB). Free memory was 32.1 MB in the beginning and 41.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:08,925 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 98.0 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:01:08,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 34.1 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 921.18 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 13.7 MB in the beginning and 20.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 100.19 ms. Allocated memory is still 46.7 MB. Free memory was 20.5 MB in the beginning and 15.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1512.63 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 15.1 MB in the beginning and 32.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5921.30 ms. Allocated memory was 56.6 MB in the beginning and 98.0 MB in the end (delta: 41.4 MB). Free memory was 32.1 MB in the beginning and 41.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.3 GB. * Witness Printer took 4.84 ms. Allocated memory is still 98.0 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 777]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 777. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L778] CALL entry_point() [L773] int condition = __VERIFIER_nondet_int(); [L774] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L774] RET, EXPR alloc_16(condition) [L774] struct A16 *p = alloc_16(condition); [L775] CALL free_16(p, condition) [L768] COND FALSE !(\read(condition)) [L775] RET free_16(p, condition) [L778] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 347 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 5.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190 SDtfs, 107 SDslu, 890 SDs, 0 SdLazy, 453 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 14665 SizeOfPredicates, 16 NumberOfNonLiveVariables, 493 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...