./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d51915f2a44f0762761fec81bdd888a975b61fb ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d51915f2a44f0762761fec81bdd888a975b61fb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:25,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:25,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:25,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:25,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:25,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:25,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:25,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:25,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:25,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:25,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:25,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:25,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:25,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:25,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:25,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:25,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:25,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:25,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:25,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:25,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:25,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:25,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:25,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:25,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:25,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:25,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:25,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:25,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:25,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:25,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:25,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:25,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:25,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:25,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:25,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:25,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:25,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:25,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:25,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:25,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:25,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:40:25,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:25,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:25,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:25,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:25,280 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:25,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:25,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:25,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:25,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:25,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:25,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:25,282 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:25,282 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:25,282 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:25,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:25,283 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:25,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:25,283 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:25,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:25,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:25,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:25,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:25,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:25,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:25,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:25,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:40:25,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:40:25,286 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 -> 2d51915f2a44f0762761fec81bdd888a975b61fb [2019-11-28 02:40:25,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:25,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:25,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:25,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:25,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:25,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-28 02:40:25,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2adc5aa35/032ba42899b2413bb7258bb186a9026c/FLAGe3c6f4532 [2019-11-28 02:40:26,286 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:26,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-28 02:40:26,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2adc5aa35/032ba42899b2413bb7258bb186a9026c/FLAGe3c6f4532 [2019-11-28 02:40:26,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2adc5aa35/032ba42899b2413bb7258bb186a9026c [2019-11-28 02:40:26,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:26,525 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:26,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:26,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:26,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:26,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:26" (1/1) ... [2019-11-28 02:40:26,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362d3ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:26, skipping insertion in model container [2019-11-28 02:40:26,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:26" (1/1) ... [2019-11-28 02:40:26,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:26,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:27,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:27,181 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:40:27,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2872d96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:27, skipping insertion in model container [2019-11-28 02:40:27,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:27,182 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:40:27,186 INFO L168 Benchmark]: Toolchain (without parser) took 659.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:27,187 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:27,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:27,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 651.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:40:28,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:40:28,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:40:28,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:40:28,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:40:28,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:40:28,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:40:28,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:40:28,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:40:28,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:40:28,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:40:28,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:40:28,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:40:28,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:40:28,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:40:28,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:40:28,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:40:28,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:40:28,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:40:28,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:40:28,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:40:29,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:40:29,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:40:29,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:40:29,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:40:29,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:40:29,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:40:29,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:40:29,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:40:29,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:40:29,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:40:29,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:40:29,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:40:29,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:40:29,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:40:29,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:40:29,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:40:29,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:40:29,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:40:29,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:40:29,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:40:29,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:40:29,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:40:29,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:40:29,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:40:29,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:40:29,066 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:40:29,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:40:29,066 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:40:29,067 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:40:29,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:40:29,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:40:29,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:40:29,068 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:40:29,068 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:40:29,069 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:40:29,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:40:29,070 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:40:29,070 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:40:29,071 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:40:29,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:40:29,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:40:29,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:40:29,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:40:29,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:40:29,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:40:29,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:29,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:40:29,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:40:29,074 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:40:29,075 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:40:29,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:40:29,075 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 -> 2d51915f2a44f0762761fec81bdd888a975b61fb [2019-11-28 02:40:29,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:40:29,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:40:29,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:40:29,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:40:29,458 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:40:29,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-28 02:40:29,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/215a5d728/005cbaa279e540ea86b444a5b1a12ec3/FLAGd6aa57a64 [2019-11-28 02:40:30,089 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:40:30,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2019-11-28 02:40:30,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/215a5d728/005cbaa279e540ea86b444a5b1a12ec3/FLAGd6aa57a64 [2019-11-28 02:40:30,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/215a5d728/005cbaa279e540ea86b444a5b1a12ec3 [2019-11-28 02:40:30,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:40:30,422 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:40:30,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:30,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:40:30,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:40:30,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa394bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:30, skipping insertion in model container [2019-11-28 02:40:30,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:30" (1/1) ... [2019-11-28 02:40:30,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:40:30,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:31,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:31,109 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:40:31,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:40:31,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:31,188 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:40:31,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:40:31,352 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:40:31,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31 WrapperNode [2019-11-28 02:40:31,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:40:31,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:40:31,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:40:31,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:40:31,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... [2019-11-28 02:40:31,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:40:31,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:40:31,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:40:31,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:40:31,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:40:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:40:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:40:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:40:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:40:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:40:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:40:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:40:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:40:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:40:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:40:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:40:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:40:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:40:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:40:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:40:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:40:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:40:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:40:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:40:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:40:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:40:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:40:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:40:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:40:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:40:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:40:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:40:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:40:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:40:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:40:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:40:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:40:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:40:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:40:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:40:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:40:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:40:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:40:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:40:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-28 02:40:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-28 02:40:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-11-28 02:40:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-11-28 02:40:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:40:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:40:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:40:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:40:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:40:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:40:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:40:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:40:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:40:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:40:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:40:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:40:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:40:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:40:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:40:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:40:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:40:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:40:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:40:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:40:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:40:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:40:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:40:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:40:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:40:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:40:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:40:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:40:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:40:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:40:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:40:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:40:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:40:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:40:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:40:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:40:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:40:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:40:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:40:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:40:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:40:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:40:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:40:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:40:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:40:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:40:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:40:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:40:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:40:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:40:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:40:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:40:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:40:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:40:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:40:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:40:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:40:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:40:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:40:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:40:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:40:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:40:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:40:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:40:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:40:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:40:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:40:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:40:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:40:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:40:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:40:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:40:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:40:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:40:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:40:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:40:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:40:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:40:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:40:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:40:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:40:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:40:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:40:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:40:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:40:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:40:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:40:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:40:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:40:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:40:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:40:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:40:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:40:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:40:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:40:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:40:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:40:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:40:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:40:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:40:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:40:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:40:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:40:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:40:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:40:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:40:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:40:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:40:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:40:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:40:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:40:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:40:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:40:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:40:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:40:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:40:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:40:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:40:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:40:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:40:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:40:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:40:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:40:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:40:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:40:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:40:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:40:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:40:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:40:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:40:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:40:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:40:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:40:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:40:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:40:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:40:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:40:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:40:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:40:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:40:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:40:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:40:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:40:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:40:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:40:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:40:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:40:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:40:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:40:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:40:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:40:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:40:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:40:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:40:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:40:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:40:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:40:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:40:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:40:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-28 02:40:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-28 02:40:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-11-28 02:40:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-11-28 02:40:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:40:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:40:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:40:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:40:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:40:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:40:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:40:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:40:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:40:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:40:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:40:32,259 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:32,675 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:40:33,079 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:40:33,080 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:40:33,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:33 BoogieIcfgContainer [2019-11-28 02:40:33,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:40:33,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:40:33,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:40:33,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:40:33,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:30" (1/3) ... [2019-11-28 02:40:33,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e1d11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:33, skipping insertion in model container [2019-11-28 02:40:33,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:31" (2/3) ... [2019-11-28 02:40:33,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e1d11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:33, skipping insertion in model container [2019-11-28 02:40:33,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:33" (3/3) ... [2019-11-28 02:40:33,093 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test7-2.i [2019-11-28 02:40:33,103 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:40:33,111 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2019-11-28 02:40:33,123 INFO L249 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2019-11-28 02:40:33,141 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:40:33,142 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:40:33,142 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:40:33,142 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:40:33,142 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:40:33,142 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:40:33,142 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:40:33,142 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:40:33,160 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-11-28 02:40:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:40:33,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:33,170 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:33,171 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:33,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:33,177 INFO L82 PathProgramCache]: Analyzing trace with hash -667181762, now seen corresponding path program 1 times [2019-11-28 02:40:33,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:33,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980340463] [2019-11-28 02:40:33,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:33,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:40:33,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:33,458 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:33,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980340463] [2019-11-28 02:40:33,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:33,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 02:40:33,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932745297] [2019-11-28 02:40:33,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:40:33,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:33,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:40:33,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:33,621 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 5 states. [2019-11-28 02:40:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:33,738 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2019-11-28 02:40:33,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:40:33,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 02:40:33,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:33,756 INFO L225 Difference]: With dead ends: 84 [2019-11-28 02:40:33,757 INFO L226 Difference]: Without dead ends: 81 [2019-11-28 02:40:33,760 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:33,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-28 02:40:33,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2019-11-28 02:40:33,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-28 02:40:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2019-11-28 02:40:33,848 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 23 [2019-11-28 02:40:33,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:33,849 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2019-11-28 02:40:33,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:40:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2019-11-28 02:40:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:40:33,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:33,851 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:34,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:40:34,061 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:34,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1260306412, now seen corresponding path program 1 times [2019-11-28 02:40:34,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:34,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619742726] [2019-11-28 02:40:34,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:34,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:40:34,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,267 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,316 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619742726] [2019-11-28 02:40:34,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:34,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:40:34,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188068396] [2019-11-28 02:40:34,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:40:34,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:34,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:40:34,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:34,319 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 5 states. [2019-11-28 02:40:34,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:34,354 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2019-11-28 02:40:34,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:40:34,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 02:40:34,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:34,357 INFO L225 Difference]: With dead ends: 63 [2019-11-28 02:40:34,358 INFO L226 Difference]: Without dead ends: 63 [2019-11-28 02:40:34,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:40:34,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-28 02:40:34,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-28 02:40:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 02:40:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2019-11-28 02:40:34,368 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 23 [2019-11-28 02:40:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:34,368 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2019-11-28 02:40:34,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:40:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2019-11-28 02:40:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:40:34,370 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:34,370 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:34,590 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:40:34,592 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:34,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:34,593 INFO L82 PathProgramCache]: Analyzing trace with hash -538099043, now seen corresponding path program 1 times [2019-11-28 02:40:34,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:34,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422098589] [2019-11-28 02:40:34,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:34,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:40:34,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,829 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:34,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422098589] [2019-11-28 02:40:34,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:34,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-28 02:40:34,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985608676] [2019-11-28 02:40:34,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:40:34,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:34,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:40:34,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:34,910 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 10 states. [2019-11-28 02:40:34,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:34,995 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2019-11-28 02:40:34,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:40:34,997 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-11-28 02:40:34,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:34,999 INFO L225 Difference]: With dead ends: 77 [2019-11-28 02:40:35,000 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 02:40:35,000 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:40:35,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 02:40:35,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2019-11-28 02:40:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-28 02:40:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2019-11-28 02:40:35,012 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 23 [2019-11-28 02:40:35,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:35,012 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2019-11-28 02:40:35,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:40:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2019-11-28 02:40:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:40:35,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:35,013 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:35,214 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:40:35,215 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:35,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:35,216 INFO L82 PathProgramCache]: Analyzing trace with hash -414792645, now seen corresponding path program 1 times [2019-11-28 02:40:35,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:35,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729047143] [2019-11-28 02:40:35,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:35,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:40:35,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:35,480 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:35,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729047143] [2019-11-28 02:40:35,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:35,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2019-11-28 02:40:35,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667848963] [2019-11-28 02:40:35,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:40:35,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:35,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:40:35,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:35,596 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 10 states. [2019-11-28 02:40:35,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:35,923 INFO L93 Difference]: Finished difference Result 111 states and 118 transitions. [2019-11-28 02:40:35,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:40:35,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-28 02:40:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:35,925 INFO L225 Difference]: With dead ends: 111 [2019-11-28 02:40:35,925 INFO L226 Difference]: Without dead ends: 111 [2019-11-28 02:40:35,926 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:40:35,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-28 02:40:35,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 66. [2019-11-28 02:40:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-28 02:40:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2019-11-28 02:40:35,933 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 24 [2019-11-28 02:40:35,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:35,933 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2019-11-28 02:40:35,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:40:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2019-11-28 02:40:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:40:35,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:35,935 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:36,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,156 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:36,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:36,157 INFO L82 PathProgramCache]: Analyzing trace with hash 26330358, now seen corresponding path program 1 times [2019-11-28 02:40:36,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:36,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387565160] [2019-11-28 02:40:36,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:36,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:40:36,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:36,304 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:40:36,304 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:40:36,309 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:40:36,310 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:40:36,310 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:40:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:36,355 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:36,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387565160] [2019-11-28 02:40:36,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:36,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-28 02:40:36,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189332627] [2019-11-28 02:40:36,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:40:36,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:36,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:40:36,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:40:36,416 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2019-11-28 02:40:36,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:36,610 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2019-11-28 02:40:36,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:40:36,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-28 02:40:36,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:36,613 INFO L225 Difference]: With dead ends: 86 [2019-11-28 02:40:36,613 INFO L226 Difference]: Without dead ends: 86 [2019-11-28 02:40:36,614 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:40:36,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-11-28 02:40:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 75. [2019-11-28 02:40:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 02:40:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2019-11-28 02:40:36,621 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 25 [2019-11-28 02:40:36,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:36,622 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2019-11-28 02:40:36,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:40:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2019-11-28 02:40:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:40:36,624 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:36,624 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:40:36,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,832 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:40:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:36,833 INFO L82 PathProgramCache]: Analyzing trace with hash 498121534, now seen corresponding path program 1 times [2019-11-28 02:40:36,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:36,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275660504] [2019-11-28 02:40:36,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:36,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:40:36,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:39,051 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:43,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:40:43,367 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:40:43,374 INFO L168 Benchmark]: Toolchain (without parser) took 12953.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 955.0 MB in the beginning and 938.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 214.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:43,375 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:43,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -87.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:43,377 INFO L168 Benchmark]: Boogie Preprocessor took 132.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:43,377 INFO L168 Benchmark]: RCFGBuilder took 1595.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.2 MB in the end (delta: 118.0 MB). Peak memory consumption was 118.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:43,380 INFO L168 Benchmark]: TraceAbstraction took 10288.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 100.1 MB). Free memory was 924.2 MB in the beginning and 938.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:43,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 929.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -87.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 132.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1595.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.2 MB in the end (delta: 118.0 MB). Peak memory consumption was 118.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10288.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 100.1 MB). Free memory was 924.2 MB in the beginning and 938.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...