./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.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 61683ce69ab6e0be34131bf5e9c8287c381247ab ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.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 61683ce69ab6e0be34131bf5e9c8287c381247ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:01:11,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:01:11,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:01:11,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:01:11,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:01:11,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:01:11,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:01:11,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:01:11,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:01:11,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:01:11,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:01:11,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:01:11,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:01:11,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:01:11,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:01:11,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:01:11,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:01:11,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:01:11,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:01:11,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:01:11,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:01:11,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:01:11,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:01:11,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:01:11,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:01:11,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:01:11,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:01:11,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:01:11,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:01:11,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:01:11,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:01:11,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:01:11,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:01:11,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:01:11,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:01:11,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:01:11,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:01:11,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:01:11,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:01:11,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:01:11,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:01:11,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:01:11,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:01:11,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:01:11,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:01:11,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:01:11,610 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:01:11,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:01:11,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:01:11,610 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:01:11,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:01:11,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:01:11,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:01:11,611 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:01:11,611 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:01:11,612 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:01:11,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:01:11,612 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:01:11,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:01:11,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:01:11,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:01:11,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:01:11,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:01:11,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:01:11,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:11,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:01:11,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:01:11,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:01:11,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:01:11,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:01:11,615 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 -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2020-10-20 06:01:11,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:01:11,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:01:11,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:01:11,831 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:01:11,832 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:01:11,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-20 06:01:11,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b9cf6a5/e17acedcd1ba4da5b5f8d2b2ef2fb24d/FLAG44edb9dc3 [2020-10-20 06:01:12,456 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:01:12,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-20 06:01:12,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b9cf6a5/e17acedcd1ba4da5b5f8d2b2ef2fb24d/FLAG44edb9dc3 [2020-10-20 06:01:12,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b9cf6a5/e17acedcd1ba4da5b5f8d2b2ef2fb24d [2020-10-20 06:01:12,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:01:12,723 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:01:12,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:12,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:01:12,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:01:12,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:12" (1/1) ... [2020-10-20 06:01:12,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153f348f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:12, skipping insertion in model container [2020-10-20 06:01:12,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:12" (1/1) ... [2020-10-20 06:01:12,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:01:12,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:13,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:13,288 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 06:01:13,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dc92742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:13, skipping insertion in model container [2020-10-20 06:01:13,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:13,289 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:01:13,294 INFO L168 Benchmark]: Toolchain (without parser) took 572.07 ms. Allocated memory was 38.3 MB in the beginning and 44.0 MB in the end (delta: 5.8 MB). Free memory was 18.0 MB in the beginning and 22.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:13,295 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 37.2 MB. Free memory was 14.2 MB in the beginning and 14.1 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:13,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.20 ms. Allocated memory was 38.3 MB in the beginning and 44.0 MB in the end (delta: 5.8 MB). Free memory was 17.2 MB in the beginning and 22.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:13,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 37.2 MB. Free memory was 14.2 MB in the beginning and 14.1 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 564.20 ms. Allocated memory was 38.3 MB in the beginning and 44.0 MB in the end (delta: 5.8 MB). Free memory was 17.2 MB in the beginning and 22.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:01:15,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:01:15,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:01:15,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:01:15,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:01:15,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:01:15,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:01:15,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:01:15,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:01:15,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:01:15,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:01:15,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:01:15,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:01:15,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:01:15,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:01:15,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:01:15,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:01:15,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:01:15,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:01:15,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:01:15,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:01:15,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:01:15,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:01:15,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:01:15,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:01:15,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:01:15,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:01:15,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:01:15,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:01:15,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:01:15,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:01:15,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:01:15,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:01:15,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:01:15,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:01:15,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:01:15,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:01:15,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:01:15,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:01:15,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:01:15,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:01:15,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:01:15,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:01:15,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:01:15,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:01:15,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:01:15,239 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:01:15,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:01:15,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:01:15,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:01:15,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:01:15,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:01:15,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:01:15,241 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:01:15,241 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:01:15,241 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:01:15,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:01:15,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:01:15,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:01:15,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:01:15,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:01:15,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:01:15,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:01:15,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:01:15,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:01:15,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:01:15,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:15,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:01:15,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:01:15,244 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:01:15,244 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:01:15,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:01:15,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:01:15,245 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 -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2020-10-20 06:01:15,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:01:15,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:01:15,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:01:15,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:01:15,456 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:01:15,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-20 06:01:15,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5989b8e/f2ae7804d9c54c43b40f9c7d6f315059/FLAG01b41d796 [2020-10-20 06:01:16,005 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:01:16,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2020-10-20 06:01:16,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5989b8e/f2ae7804d9c54c43b40f9c7d6f315059/FLAG01b41d796 [2020-10-20 06:01:16,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5989b8e/f2ae7804d9c54c43b40f9c7d6f315059 [2020-10-20 06:01:16,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:01:16,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:01:16,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:16,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:01:16,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:01:16,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:16" (1/1) ... [2020-10-20 06:01:16,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28649494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:16, skipping insertion in model container [2020-10-20 06:01:16,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:16" (1/1) ... [2020-10-20 06:01:16,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:01:16,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:16,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:17,007 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:01:17,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:01:17,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:17,114 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:01:17,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:01:17,310 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:01:17,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17 WrapperNode [2020-10-20 06:01:17,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:01:17,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:01:17,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:01:17,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:01:17,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... [2020-10-20 06:01:17,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... [2020-10-20 06:01:17,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... [2020-10-20 06:01:17,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... [2020-10-20 06:01:17,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... [2020-10-20 06:01:17,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... [2020-10-20 06:01:17,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... [2020-10-20 06:01:17,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:01:17,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:01:17,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:01:17,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:01:17,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:01:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:01:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:01:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:01:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:01:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:01:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:01:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:01:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:01:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:01:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:01:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:01:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:01:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:01:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:01:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:01:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:01:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:01:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:01:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:01:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:01:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:01:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:01:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:01:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:01:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:01:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:01:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:01:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:01:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:01:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:01:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:01:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:01:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2020-10-20 06:01:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2020-10-20 06:01:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:01:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:01:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:01:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:01:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:01:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:01:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:01:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:01:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:01:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:01:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:01:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:01:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:01:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:01:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:01:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:01:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:01:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:01:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:01:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:01:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:01:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:01:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:01:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:01:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:01:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:01:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:01:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:01:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:01:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:01:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:01:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:01:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:01:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:01:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:01:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:01:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:01:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:01:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:01:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:01:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:01:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:01:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:01:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:01:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:01:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:01:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:01:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:01:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:01:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:01:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:01:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:01:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:01:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:01:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:01:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:01:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:01:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:01:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:01:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:01:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:01:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:01:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:01:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:01:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:01:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:01:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:01:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:01:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:01:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:01:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:01:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:01:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:01:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:01:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:01:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:01:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:01:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:01:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:01:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:01:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:01:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:01:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:01:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:01:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:01:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:01:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:01:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:01:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:01:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:01:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:01:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:01:17,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:01:17,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:01:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:01:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:01:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:01:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:01:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:01:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:01:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:01:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:01:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:01:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:01:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:01:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:01:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:01:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:01:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:01:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:01:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:01:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:01:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:01:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:01:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:01:18,201 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:18,541 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:01:18,882 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:01:18,882 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:01:18,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:18 BoogieIcfgContainer [2020-10-20 06:01:18,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:01:18,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:01:18,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:01:18,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:01:18,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:01:16" (1/3) ... [2020-10-20 06:01:18,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357f0108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:18, skipping insertion in model container [2020-10-20 06:01:18,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:17" (2/3) ... [2020-10-20 06:01:18,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357f0108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:18, skipping insertion in model container [2020-10-20 06:01:18,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:18" (3/3) ... [2020-10-20 06:01:18,900 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2020-10-20 06:01:18,912 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:01:18,920 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-20 06:01:18,935 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-20 06:01:18,955 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:01:18,955 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:01:18,956 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:01:18,956 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:01:18,956 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:01:18,956 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:01:18,956 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:01:18,956 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:01:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-10-20 06:01:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 06:01:18,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:18,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:18,992 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:18,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:18,999 INFO L82 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2020-10-20 06:01:19,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:19,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833768394] [2020-10-20 06:01:19,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:19,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:01:19,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:19,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:19,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833768394] [2020-10-20 06:01:19,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:19,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:01:19,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617843403] [2020-10-20 06:01:19,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:01:19,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:19,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:01:19,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:01:19,623 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 9 states. [2020-10-20 06:01:19,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:19,754 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-10-20 06:01:19,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:01:19,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-20 06:01:19,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:19,775 INFO L225 Difference]: With dead ends: 35 [2020-10-20 06:01:19,775 INFO L226 Difference]: Without dead ends: 32 [2020-10-20 06:01:19,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:01:19,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-20 06:01:19,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-20 06:01:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-20 06:01:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-20 06:01:19,840 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2020-10-20 06:01:19,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:19,841 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-20 06:01:19,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:01:19,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-20 06:01:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:01:19,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:19,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:20,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:01:20,060 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:20,061 INFO L82 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2020-10-20 06:01:20,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:20,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305945591] [2020-10-20 06:01:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:20,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:01:20,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:20,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:20,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305945591] [2020-10-20 06:01:20,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:20,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2020-10-20 06:01:20,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954049500] [2020-10-20 06:01:20,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-20 06:01:20,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:20,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-20 06:01:20,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-20 06:01:20,843 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2020-10-20 06:01:21,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:21,303 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-10-20 06:01:21,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-20 06:01:21,304 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2020-10-20 06:01:21,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:21,307 INFO L225 Difference]: With dead ends: 48 [2020-10-20 06:01:21,308 INFO L226 Difference]: Without dead ends: 48 [2020-10-20 06:01:21,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-10-20 06:01:21,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-20 06:01:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2020-10-20 06:01:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-20 06:01:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-10-20 06:01:21,316 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2020-10-20 06:01:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:21,317 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-10-20 06:01:21,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-20 06:01:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-10-20 06:01:21,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 06:01:21,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:21,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:21,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:01:21,532 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:21,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:21,533 INFO L82 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2020-10-20 06:01:21,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:21,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999226742] [2020-10-20 06:01:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:21,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:01:21,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:21,726 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:01:21,726 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:01:21,731 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:01:21,731 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:01:21,731 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:01:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:21,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:21,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999226742] [2020-10-20 06:01:21,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:21,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:01:21,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210395670] [2020-10-20 06:01:21,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:01:21,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:21,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:01:21,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:01:21,927 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 9 states. [2020-10-20 06:01:22,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:22,074 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2020-10-20 06:01:22,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:01:22,074 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-10-20 06:01:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:22,076 INFO L225 Difference]: With dead ends: 47 [2020-10-20 06:01:22,077 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 06:01:22,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:01:22,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 06:01:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-10-20 06:01:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 06:01:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2020-10-20 06:01:22,088 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2020-10-20 06:01:22,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:22,089 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2020-10-20 06:01:22,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:01:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2020-10-20 06:01:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 06:01:22,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:22,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:22,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:01:22,299 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:22,300 INFO L82 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2020-10-20 06:01:22,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:22,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352219936] [2020-10-20 06:01:22,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:01:22,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:01:22,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:01:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:22,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:01:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:01:22,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352219936] [2020-10-20 06:01:22,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:01:22,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:01:22,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623549012] [2020-10-20 06:01:22,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:01:22,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:01:22,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:01:22,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:01:22,590 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 9 states. [2020-10-20 06:01:22,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:01:22,666 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-10-20 06:01:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:01:22,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-10-20 06:01:22,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:01:22,668 INFO L225 Difference]: With dead ends: 48 [2020-10-20 06:01:22,668 INFO L226 Difference]: Without dead ends: 48 [2020-10-20 06:01:22,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:01:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-20 06:01:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2020-10-20 06:01:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-20 06:01:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-20 06:01:22,674 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2020-10-20 06:01:22,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:01:22,674 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-20 06:01:22,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:01:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-20 06:01:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 06:01:22,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:01:22,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:01:22,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:01:22,887 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:01:22,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:01:22,888 INFO L82 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2020-10-20 06:01:22,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:01:22,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327679524] [2020-10-20 06:01:22,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 06:01:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:01:23,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:01:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:01:23,043 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:01:23,086 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 06:01:23,086 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:01:23,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 06:01:23,299 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-20 06:01:23,305 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-20 06:01:23,305 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-20 06:01:23,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:01:23 BoogieIcfgContainer [2020-10-20 06:01:23,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:01:23,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:01:23,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:01:23,322 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:01:23,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:18" (3/4) ... [2020-10-20 06:01:23,327 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:01:23,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:01:23,329 INFO L168 Benchmark]: Toolchain (without parser) took 6978.34 ms. Allocated memory was 35.1 MB in the beginning and 84.4 MB in the end (delta: 49.3 MB). Free memory was 8.0 MB in the beginning and 31.2 MB in the end (delta: -23.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:23,330 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 35.1 MB. Free memory is still 15.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:01:23,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.37 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 7.1 MB in the beginning and 26.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:23,332 INFO L168 Benchmark]: Boogie Preprocessor took 106.81 ms. Allocated memory is still 47.2 MB. Free memory was 26.6 MB in the beginning and 21.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:23,333 INFO L168 Benchmark]: RCFGBuilder took 1466.91 ms. Allocated memory was 47.2 MB in the beginning and 59.2 MB in the end (delta: 12.1 MB). Free memory was 21.2 MB in the beginning and 31.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:23,334 INFO L168 Benchmark]: TraceAbstraction took 4431.50 ms. Allocated memory was 59.2 MB in the beginning and 84.4 MB in the end (delta: 25.2 MB). Free memory was 30.7 MB in the beginning and 32.1 MB in the end (delta: -1.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:01:23,336 INFO L168 Benchmark]: Witness Printer took 5.67 ms. Allocated memory is still 84.4 MB. Free memory was 32.1 MB in the beginning and 31.2 MB in the end (delta: 997.8 kB). Peak memory consumption was 997.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:01:23,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 35.1 MB. Free memory is still 15.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 956.37 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 7.1 MB in the beginning and 26.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 106.81 ms. Allocated memory is still 47.2 MB. Free memory was 26.6 MB in the beginning and 21.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1466.91 ms. Allocated memory was 47.2 MB in the beginning and 59.2 MB in the end (delta: 12.1 MB). Free memory was 21.2 MB in the beginning and 31.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 4431.50 ms. Allocated memory was 59.2 MB in the beginning and 84.4 MB in the end (delta: 25.2 MB). Free memory was 30.7 MB in the beginning and 32.1 MB in the end (delta: -1.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 14.3 GB. * Witness Printer took 5.67 ms. Allocated memory is still 84.4 MB. Free memory was 32.1 MB in the beginning and 31.2 MB in the end (delta: 997.8 kB). Peak memory consumption was 997.8 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L775] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}] [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; VAL [\old(condition)=0, \result={1:0}, condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L771] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1:0}, condition=0, ldv_global_msg_list={3:0}] [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}, p={1:0}] [L765] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, p={1:0}, p={1:0}] [L772] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L775] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 346 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 91 SDslu, 750 SDs, 0 SdLazy, 408 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 144 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 11104 SizeOfPredicates, 13 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...