./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test9.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 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test9.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 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:11:10,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:11:10,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:11:10,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:11:10,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:11:10,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:11:10,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:11:10,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:11:10,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:11:10,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:11:10,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:11:10,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:11:10,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:11:10,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:11:10,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:11:10,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:11:10,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:11:10,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:11:10,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:11:10,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:11:10,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:11:10,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:11:10,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:11:10,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:11:10,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:11:10,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:11:10,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:11:10,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:11:10,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:11:10,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:11:10,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:11:10,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:11:10,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:11:10,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:11:10,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:11:10,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:11:10,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:11:10,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:11:10,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:11:10,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:11:10,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:11:10,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:11:10,596 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:11:10,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:11:10,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:11:10,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:11:10,598 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:11:10,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:11:10,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:11:10,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:11:10,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:11:10,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:11:10,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:11:10,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:11:10,601 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:11:10,601 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:11:10,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:11:10,602 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:11:10,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:11:10,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:11:10,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:11:10,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:11:10,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:11:10,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:11:10,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:11:10,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:11:10,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:11:10,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:11:10,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:11:10,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:11:10,606 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 -> 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 [2020-10-19 18:11:10,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:11:10,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:11:10,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:11:10,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:11:10,962 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:11:10,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-10-19 18:11:11,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f14bbd109/8a156d65015544cdb1e9b2708d7f74ff/FLAGdd819d520 [2020-10-19 18:11:11,623 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:11:11,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-10-19 18:11:11,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f14bbd109/8a156d65015544cdb1e9b2708d7f74ff/FLAGdd819d520 [2020-10-19 18:11:11,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f14bbd109/8a156d65015544cdb1e9b2708d7f74ff [2020-10-19 18:11:11,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:11:11,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:11:11,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:11:11,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:11:11,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:11:11,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:11:11" (1/1) ... [2020-10-19 18:11:11,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124eb975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:11, skipping insertion in model container [2020-10-19 18:11:11,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:11:11" (1/1) ... [2020-10-19 18:11:11,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:11:11,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:11:12,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:11:12,430 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-19 18:11:12,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cfd38ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:12, skipping insertion in model container [2020-10-19 18:11:12,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:11:12,431 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:11:12,434 INFO L168 Benchmark]: Toolchain (without parser) took 542.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:12,435 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:11:12,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:12,438 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 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 533.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 18:11:14,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:11:14,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:11:14,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:11:14,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:11:14,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:11:14,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:11:14,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:11:14,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:11:14,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:11:14,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:11:14,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:11:14,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:11:14,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:11:14,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:11:14,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:11:14,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:11:14,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:11:14,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:11:14,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:11:14,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:11:14,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:11:14,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:11:14,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:11:14,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:11:14,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:11:14,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:11:14,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:11:14,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:11:14,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:11:14,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:11:14,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:11:14,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:11:14,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:11:14,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:11:14,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:11:14,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:11:14,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:11:14,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:11:14,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:11:14,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:11:14,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:11:14,241 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:11:14,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:11:14,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:11:14,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:11:14,243 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:11:14,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:11:14,244 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:11:14,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:11:14,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:11:14,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:11:14,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:11:14,245 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:11:14,245 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:11:14,246 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:11:14,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:11:14,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:11:14,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:11:14,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:11:14,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:11:14,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:11:14,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:11:14,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:11:14,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:11:14,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:11:14,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:11:14,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:11:14,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:11:14,250 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:11:14,250 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:11:14,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:11:14,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:11:14,251 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 -> 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 [2020-10-19 18:11:14,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:11:14,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:11:14,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:11:14,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:11:14,583 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:11:14,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-10-19 18:11:14,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c9e6370/bfa17e0bd80648c88c5d0fa1b7f439b1/FLAGe3ba5dc9b [2020-10-19 18:11:15,198 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:11:15,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-10-19 18:11:15,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c9e6370/bfa17e0bd80648c88c5d0fa1b7f439b1/FLAGe3ba5dc9b [2020-10-19 18:11:15,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c9e6370/bfa17e0bd80648c88c5d0fa1b7f439b1 [2020-10-19 18:11:15,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:11:15,498 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:11:15,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:11:15,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:11:15,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:11:15,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:11:15" (1/1) ... [2020-10-19 18:11:15,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c922e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:15, skipping insertion in model container [2020-10-19 18:11:15,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:11:15" (1/1) ... [2020-10-19 18:11:15,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:11:15,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:11:16,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:11:16,065 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:11:16,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:11:16,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:11:16,180 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:11:16,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:11:16,378 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:11:16,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16 WrapperNode [2020-10-19 18:11:16,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:11:16,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:11:16,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:11:16,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:11:16,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... [2020-10-19 18:11:16,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... [2020-10-19 18:11:16,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... [2020-10-19 18:11:16,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... [2020-10-19 18:11:16,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... [2020-10-19 18:11:16,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... [2020-10-19 18:11:16,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... [2020-10-19 18:11:16,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:11:16,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:11:16,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:11:16,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:11:16,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:11:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:11:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:11:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:11:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:11:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:11:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:11:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:11:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:11:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:11:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:11:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:11:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:11:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:11:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:11:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:11:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:11:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:11:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:11:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:11:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:11:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:11:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:11:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:11:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:11:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:11:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:11:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:11:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:11:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:11:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:11:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:11:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:11:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:11:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:11:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:11:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:11:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:11:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:11:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:11:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:11:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:11:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:11:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2020-10-19 18:11:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2020-10-19 18:11:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:11:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:11:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:11:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:11:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:11:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:11:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:11:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:11:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:11:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:11:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:11:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:11:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:11:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:11:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:11:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:11:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:11:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:11:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:11:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:11:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:11:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:11:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:11:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:11:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:11:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:11:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:11:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:11:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:11:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:11:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:11:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:11:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:11:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:11:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:11:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:11:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:11:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:11:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:11:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:11:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:11:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:11:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:11:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:11:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:11:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:11:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:11:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:11:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:11:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:11:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:11:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:11:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:11:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:11:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:11:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:11:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:11:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:11:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:11:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:11:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:11:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:11:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:11:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:11:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:11:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:11:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:11:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:11:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:11:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:11:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:11:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:11:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:11:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:11:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:11:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:11:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:11:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:11:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:11:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:11:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:11:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:11:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:11:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:11:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:11:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:11:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:11:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:11:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:11:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:11:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:11:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:11:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:11:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:11:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:11:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:11:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:11:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:11:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:11:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:11:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:11:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:11:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:11:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:11:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:11:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:11:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:11:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:11:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:11:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:11:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:11:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:11:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:11:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:11:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:11:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:11:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:11:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:11:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:11:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:11:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:11:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:11:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:11:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:11:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:11:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:11:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:11:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:11:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:11:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:11:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:11:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:11:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:11:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:11:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:11:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:11:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:11:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:11:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:11:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:11:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:11:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:11:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:11:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:11:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:11:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:11:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:11:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:11:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:11:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:11:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:11:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:11:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:11:16,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:11:16,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:11:16,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:11:16,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:11:16,602 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:11:16,602 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:11:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2020-10-19 18:11:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2020-10-19 18:11:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:11:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:11:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:11:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:11:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:11:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:11:16,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:11:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:11:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:11:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:11:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:11:17,230 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:11:17,592 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:11:17,911 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:11:17,911 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:11:17,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:11:17 BoogieIcfgContainer [2020-10-19 18:11:17,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:11:17,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:11:17,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:11:17,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:11:17,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:11:15" (1/3) ... [2020-10-19 18:11:17,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc9811e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:11:17, skipping insertion in model container [2020-10-19 18:11:17,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:11:16" (2/3) ... [2020-10-19 18:11:17,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc9811e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:11:17, skipping insertion in model container [2020-10-19 18:11:17,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:11:17" (3/3) ... [2020-10-19 18:11:17,923 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i [2020-10-19 18:11:17,940 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:11:17,950 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:11:17,965 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:11:17,990 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:11:17,991 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:11:17,991 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:11:17,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:11:17,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:11:17,991 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:11:17,991 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:11:17,991 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:11:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-10-19 18:11:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:11:18,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:18,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:11:18,031 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:11:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:18,038 INFO L82 PathProgramCache]: Analyzing trace with hash 426051374, now seen corresponding path program 1 times [2020-10-19 18:11:18,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:18,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391253463] [2020-10-19 18:11:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 18:11:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:18,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:11:18,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:18,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:18,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391253463] [2020-10-19 18:11:18,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:18,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:11:18,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694830399] [2020-10-19 18:11:18,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:11:18,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:18,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:11:18,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:18,474 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 5 states. [2020-10-19 18:11:18,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:18,544 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-10-19 18:11:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:11:18,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-19 18:11:18,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:18,556 INFO L225 Difference]: With dead ends: 34 [2020-10-19 18:11:18,556 INFO L226 Difference]: Without dead ends: 31 [2020-10-19 18:11:18,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:11:18,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-19 18:11:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-19 18:11:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-19 18:11:18,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-10-19 18:11:18,599 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2020-10-19 18:11:18,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:18,600 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-10-19 18:11:18,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:11:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-10-19 18:11:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-19 18:11:18,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:18,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:11:18,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:11:18,813 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:11:18,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:18,814 INFO L82 PathProgramCache]: Analyzing trace with hash 322691135, now seen corresponding path program 1 times [2020-10-19 18:11:18,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:18,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638591063] [2020-10-19 18:11:18,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-19 18:11:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:18,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:11:18,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:19,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:19,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638591063] [2020-10-19 18:11:19,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:19,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-10-19 18:11:19,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613897483] [2020-10-19 18:11:19,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:11:19,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:19,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:11:19,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:11:19,290 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 9 states. [2020-10-19 18:11:19,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:19,590 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-10-19 18:11:19,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-19 18:11:19,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-19 18:11:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:19,593 INFO L225 Difference]: With dead ends: 45 [2020-10-19 18:11:19,593 INFO L226 Difference]: Without dead ends: 45 [2020-10-19 18:11:19,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:11:19,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-19 18:11:19,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2020-10-19 18:11:19,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-19 18:11:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2020-10-19 18:11:19,603 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 21 [2020-10-19 18:11:19,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:19,603 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2020-10-19 18:11:19,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:11:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-10-19 18:11:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 18:11:19,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:19,605 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] [2020-10-19 18:11:19,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:11:19,819 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:11:19,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:19,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1413491024, now seen corresponding path program 1 times [2020-10-19 18:11:19,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:19,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927107380] [2020-10-19 18:11:19,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-19 18:11:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:19,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:11:19,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:20,022 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 18:11:20,023 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:11:20,026 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:11:20,026 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:11:20,027 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:11:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:20,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:20,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927107380] [2020-10-19 18:11:20,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:20,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:11:20,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873831775] [2020-10-19 18:11:20,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:11:20,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:20,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:11:20,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:20,160 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 5 states. [2020-10-19 18:11:20,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:20,215 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-10-19 18:11:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:11:20,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-19 18:11:20,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:20,220 INFO L225 Difference]: With dead ends: 43 [2020-10-19 18:11:20,220 INFO L226 Difference]: Without dead ends: 43 [2020-10-19 18:11:20,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:20,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-19 18:11:20,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-10-19 18:11:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-19 18:11:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-19 18:11:20,230 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 22 [2020-10-19 18:11:20,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:20,230 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-19 18:11:20,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:11:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-19 18:11:20,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 18:11:20,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:20,231 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] [2020-10-19 18:11:20,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:11:20,446 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:11:20,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:20,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1120088017, now seen corresponding path program 1 times [2020-10-19 18:11:20,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:20,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289867657] [2020-10-19 18:11:20,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-19 18:11:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:20,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:11:20,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:20,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:20,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:20,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289867657] [2020-10-19 18:11:20,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:20,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 18:11:20,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288587865] [2020-10-19 18:11:20,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:11:20,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:20,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:11:20,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:20,677 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-10-19 18:11:20,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:20,744 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-10-19 18:11:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:11:20,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-19 18:11:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:20,746 INFO L225 Difference]: With dead ends: 44 [2020-10-19 18:11:20,746 INFO L226 Difference]: Without dead ends: 44 [2020-10-19 18:11:20,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:11:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-19 18:11:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2020-10-19 18:11:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-19 18:11:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-10-19 18:11:20,753 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2020-10-19 18:11:20,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:20,753 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-10-19 18:11:20,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:11:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-10-19 18:11:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 18:11:20,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:20,755 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] [2020-10-19 18:11:20,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:11:20,976 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:11:20,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:20,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1413668411, now seen corresponding path program 1 times [2020-10-19 18:11:20,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:20,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146223292] [2020-10-19 18:11:20,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-19 18:11:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:21,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 18:11:21,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:21,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:21,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146223292] [2020-10-19 18:11:21,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:21,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 18:11:21,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733096668] [2020-10-19 18:11:21,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:11:21,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:21,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:11:21,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:21,224 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 5 states. [2020-10-19 18:11:21,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:21,237 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-19 18:11:21,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:11:21,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-19 18:11:21,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:21,239 INFO L225 Difference]: With dead ends: 40 [2020-10-19 18:11:21,239 INFO L226 Difference]: Without dead ends: 40 [2020-10-19 18:11:21,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:11:21,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-19 18:11:21,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2020-10-19 18:11:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-19 18:11:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-10-19 18:11:21,246 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-10-19 18:11:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:21,246 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-10-19 18:11:21,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:11:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-10-19 18:11:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 18:11:21,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:21,248 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] [2020-10-19 18:11:21,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:11:21,465 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:11:21,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:21,466 INFO L82 PathProgramCache]: Analyzing trace with hash -687189059, now seen corresponding path program 1 times [2020-10-19 18:11:21,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:21,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481235587] [2020-10-19 18:11:21,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-19 18:11:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:21,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:11:21,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:21,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:21,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481235587] [2020-10-19 18:11:21,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:21,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 18:11:21,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348611588] [2020-10-19 18:11:21,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:11:21,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:21,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:11:21,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:11:21,683 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 3 states. [2020-10-19 18:11:21,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:21,719 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2020-10-19 18:11:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:11:21,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-19 18:11:21,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:21,721 INFO L225 Difference]: With dead ends: 42 [2020-10-19 18:11:21,721 INFO L226 Difference]: Without dead ends: 38 [2020-10-19 18:11:21,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:11:21,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-19 18:11:21,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2020-10-19 18:11:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-19 18:11:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-10-19 18:11:21,728 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 22 [2020-10-19 18:11:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:21,728 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-10-19 18:11:21,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:11:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-10-19 18:11:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-19 18:11:21,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:11:21,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:11:21,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 18:11:21,931 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:11:21,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:11:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2013122506, now seen corresponding path program 1 times [2020-10-19 18:11:21,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:11:21,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123940088] [2020-10-19 18:11:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-19 18:11:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:11:22,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-19 18:11:22,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:11:22,124 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-10-19 18:11:22,125 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:11:22,127 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:11:22,127 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:11:22,127 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-10-19 18:11:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:24,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:11:36,686 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-10-19 18:11:36,703 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-19 18:11:36,706 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-19 18:11:36,721 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-10-19 18:11:36,749 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-10-19 18:11:36,759 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-19 18:11:36,766 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-19 18:11:36,784 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-10-19 18:11:36,802 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-10-19 18:11:36,991 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:36,997 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,006 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from false [2020-10-19 18:11:37,016 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from true [2020-10-19 18:11:37,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:37,032 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,046 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:37,052 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:37,072 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,081 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1))))) is different from false [2020-10-19 18:11:37,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:11:37,176 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,192 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from false [2020-10-19 18:11:37,202 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from true [2020-10-19 18:11:37,253 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:37,267 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:37,273 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:37,282 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,313 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))))) is different from false [2020-10-19 18:11:37,328 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))))) is different from true [2020-10-19 18:11:37,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:37,377 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:37,381 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:37,387 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,468 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:37,477 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:37,481 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:37,487 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,529 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_64| (_ BitVec 32))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_64|) (_ bv0 1))) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (= (store |c_#valid| |v_ldv_malloc_#res.base_64| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) is different from false [2020-10-19 18:11:37,544 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_64| (_ BitVec 32))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_64|) (_ bv0 1))) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (= (store |c_#valid| |v_ldv_malloc_#res.base_64| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) is different from true [2020-10-19 18:11:37,597 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:11:37,605 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:11:37,608 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-19 18:11:37,615 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-10-19 18:11:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:11:37,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123940088] [2020-10-19 18:11:37,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:11:37,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 13] imperfect sequences [] total 18 [2020-10-19 18:11:37,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545103728] [2020-10-19 18:11:37,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-19 18:11:37,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:11:37,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-19 18:11:37,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=80, Unknown=37, NotChecked=182, Total=342 [2020-10-19 18:11:37,666 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 19 states. [2020-10-19 18:11:57,778 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1))))))) is different from false [2020-10-19 18:11:58,133 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1)))))))))) is different from false [2020-10-19 18:11:58,142 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1)))))))))) is different from true [2020-10-19 18:12:02,255 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_probe_9_#t~ret38.base| (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |c_probe_9_#t~ret38.base|)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1)))))) is different from false [2020-10-19 18:12:02,261 WARN L860 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_probe_9_#t~ret38.base| (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |c_probe_9_#t~ret38.base|)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1)))))) is different from true [2020-10-19 18:12:02,269 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~a9~0.base (_ bv1 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) (= (select |c_old(#valid)| c_~a9~0.base) (_ bv0 1))) is different from false [2020-10-19 18:12:06,362 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-10-19 18:12:18,400 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) |c_#valid|)) is different from false [2020-10-19 18:12:20,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:12:20,516 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions. [2020-10-19 18:12:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-19 18:12:20,516 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 28 [2020-10-19 18:12:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:12:20,517 INFO L225 Difference]: With dead ends: 47 [2020-10-19 18:12:20,517 INFO L226 Difference]: Without dead ends: 29 [2020-10-19 18:12:20,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=60, Invalid=91, Unknown=57, NotChecked=442, Total=650 [2020-10-19 18:12:20,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-19 18:12:20,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-19 18:12:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-19 18:12:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-10-19 18:12:20,525 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 28 [2020-10-19 18:12:20,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:12:20,526 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-10-19 18:12:20,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-19 18:12:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-10-19 18:12:20,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-19 18:12:20,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:12:20,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:12:20,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-19 18:12:20,728 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-10-19 18:12:20,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:12:20,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1350042568, now seen corresponding path program 1 times [2020-10-19 18:12:20,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:12:20,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200265227] [2020-10-19 18:12:20,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-19 18:12:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:12:20,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 18:12:20,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:12:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:12:20,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:12:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:12:20,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200265227] [2020-10-19 18:12:20,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:12:20,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-19 18:12:20,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806105696] [2020-10-19 18:12:20,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 18:12:20,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:12:20,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 18:12:20,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:12:20,980 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 8 states. [2020-10-19 18:12:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:12:20,988 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-10-19 18:12:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:12:20,988 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-19 18:12:20,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:12:20,989 INFO L225 Difference]: With dead ends: 18 [2020-10-19 18:12:20,989 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 18:12:20,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-19 18:12:20,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 18:12:20,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 18:12:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 18:12:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 18:12:20,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-19 18:12:20,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:12:20,990 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:12:20,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 18:12:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:12:20,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:12:21,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-19 18:12:21,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:12:21 BoogieIcfgContainer [2020-10-19 18:12:21,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:12:21,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:12:21,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:12:21,199 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:12:21,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:11:17" (3/4) ... [2020-10-19 18:12:21,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:12:21,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-19 18:12:21,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:12:21,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-19 18:12:21,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-19 18:12:21,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-19 18:12:21,213 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-19 18:12:21,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-19 18:12:21,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure probe_9 [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-19 18:12:21,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-19 18:12:21,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-19 18:12:21,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-19 18:12:21,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-19 18:12:21,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-19 18:12:21,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disconnect_9 [2020-10-19 18:12:21,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-10-19 18:12:21,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-19 18:12:21,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:12:21,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:12:21,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:12:21,296 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:12:21,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:12:21,298 INFO L168 Benchmark]: Toolchain (without parser) took 65805.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:12:21,298 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:12:21,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:12:21,299 INFO L168 Benchmark]: Boogie Preprocessor took 102.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:12:21,299 INFO L168 Benchmark]: RCFGBuilder took 1428.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.7 MB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:12:21,300 INFO L168 Benchmark]: TraceAbstraction took 63283.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 974.7 MB in the beginning and 1.1 GB in the end (delta: -101.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:12:21,300 INFO L168 Benchmark]: Witness Printer took 96.95 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:12:21,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 882.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1428.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.7 MB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 63283.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 974.7 MB in the beginning and 1.1 GB in the end (delta: -101.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * Witness Printer took 96.95 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 775]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.2s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 43.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 114 SDslu, 522 SDs, 0 SdLazy, 259 SolverSat, 35 SolverUnsat, 34 SolverUnknown, 0 SolverNotchecked, 42.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 317 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 8 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 354 ConstructedInterpolants, 26 QuantifiedInterpolants, 50509 SizeOfPredicates, 10 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...