./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.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 a3c246dc22ee025e6722717057cde618bbb130ed ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.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 a3c246dc22ee025e6722717057cde618bbb130ed ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:03:19,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:03:19,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:03:19,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:03:19,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:03:19,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:03:19,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:03:19,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:03:19,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:03:19,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:03:19,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:03:19,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:03:19,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:03:19,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:03:19,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:03:19,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:03:19,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:03:19,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:03:19,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:03:19,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:03:19,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:03:19,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:03:19,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:03:19,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:03:19,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:03:19,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:03:19,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:03:19,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:03:19,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:03:19,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:03:19,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:03:19,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:03:19,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:03:19,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:03:19,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:03:19,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:03:19,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:03:19,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:03:19,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:03:19,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:03:19,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:03:19,763 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:03:19,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:03:19,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:03:19,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:03:19,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:03:19,789 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:03:19,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:03:19,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:03:19,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:03:19,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:03:19,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:03:19,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:03:19,790 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:03:19,791 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:03:19,791 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:03:19,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:03:19,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:03:19,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:03:19,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:03:19,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:03:19,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:03:19,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:03:19,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:03:19,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:03:19,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:03:19,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:03:19,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:03:19,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:03:19,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:03:19,795 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 -> a3c246dc22ee025e6722717057cde618bbb130ed [2020-10-20 06:03:20,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:03:20,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:03:20,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:03:20,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:03:20,036 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:03:20,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2020-10-20 06:03:20,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c369e93b8/e855286f3a80434b84ca835e8fddb33c/FLAG6979a8984 [2020-10-20 06:03:20,682 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:03:20,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2020-10-20 06:03:20,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c369e93b8/e855286f3a80434b84ca835e8fddb33c/FLAG6979a8984 [2020-10-20 06:03:20,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c369e93b8/e855286f3a80434b84ca835e8fddb33c [2020-10-20 06:03:20,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:03:20,928 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:03:20,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:03:20,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:03:20,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:03:20,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:20" (1/1) ... [2020-10-20 06:03:20,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f756db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:20, skipping insertion in model container [2020-10-20 06:03:20,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:20" (1/1) ... [2020-10-20 06:03:20,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:03:21,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:03:21,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:03:21,497 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 06:03:21,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@453a58fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:21, skipping insertion in model container [2020-10-20 06:03:21,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:03:21,499 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:03:21,502 INFO L168 Benchmark]: Toolchain (without parser) took 577.36 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 11.1 MB in the beginning and 18.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:21,503 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 33.0 MB. Free memory was 18.4 MB in the beginning and 18.4 MB in the end (delta: 29.8 kB). Peak memory consumption was 29.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:03:21,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.78 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 10.2 MB in the beginning and 18.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:21,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 33.0 MB. Free memory was 18.4 MB in the beginning and 18.4 MB in the end (delta: 29.8 kB). Peak memory consumption was 29.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 569.78 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 10.2 MB in the beginning and 18.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:03:23,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:03:23,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:03:23,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:03:23,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:03:23,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:03:23,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:03:23,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:03:23,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:03:23,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:03:23,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:03:23,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:03:23,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:03:23,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:03:23,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:03:23,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:03:23,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:03:23,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:03:23,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:03:23,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:03:23,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:03:23,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:03:23,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:03:23,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:03:23,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:03:23,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:03:23,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:03:23,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:03:23,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:03:23,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:03:23,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:03:23,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:03:23,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:03:23,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:03:23,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:03:23,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:03:23,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:03:23,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:03:23,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:03:23,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:03:23,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:03:23,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:03:23,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:03:23,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:03:23,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:03:23,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:03:23,597 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:03:23,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:03:23,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:03:23,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:03:23,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:03:23,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:03:23,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:03:23,599 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:03:23,599 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:03:23,599 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:03:23,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:03:23,600 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:03:23,600 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:03:23,600 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:03:23,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:03:23,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:03:23,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:03:23,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:03:23,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:03:23,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:03:23,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:03:23,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:03:23,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:03:23,603 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:03:23,603 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:03:23,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:03:23,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:03:23,604 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 -> a3c246dc22ee025e6722717057cde618bbb130ed [2020-10-20 06:03:23,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:03:23,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:03:23,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:03:23,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:03:23,812 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:03:23,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2020-10-20 06:03:23,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8bfe2e8/1145c2e9a4d2429d9f2af9dbf65df315/FLAG80987e01c [2020-10-20 06:03:24,515 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:03:24,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2020-10-20 06:03:24,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8bfe2e8/1145c2e9a4d2429d9f2af9dbf65df315/FLAG80987e01c [2020-10-20 06:03:24,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd8bfe2e8/1145c2e9a4d2429d9f2af9dbf65df315 [2020-10-20 06:03:24,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:03:24,765 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:03:24,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:03:24,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:03:24,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:03:24,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:24" (1/1) ... [2020-10-20 06:03:24,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc61c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:24, skipping insertion in model container [2020-10-20 06:03:24,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:24" (1/1) ... [2020-10-20 06:03:24,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:03:24,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:03:25,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:03:25,350 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:03:25,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:03:25,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:03:25,463 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:03:25,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:03:25,625 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:03:25,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25 WrapperNode [2020-10-20 06:03:25,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:03:25,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:03:25,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:03:25,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:03:25,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... [2020-10-20 06:03:25,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... [2020-10-20 06:03:25,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... [2020-10-20 06:03:25,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... [2020-10-20 06:03:25,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... [2020-10-20 06:03:25,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... [2020-10-20 06:03:25,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... [2020-10-20 06:03:25,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:03:25,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:03:25,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:03:25,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:03:25,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:03:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:03:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:03:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:03:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:03:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:03:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:03:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:03:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:03:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:03:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:03:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:03:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:03:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:03:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:03:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:03:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:03:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:03:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:03:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:03:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:03:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:03:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:03:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:03:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:03:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:03:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:03:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:03:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:03:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:03:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:03:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:03:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:03:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:03:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:03:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:03:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:03:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:03:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:03:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:03:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:03:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:03:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:03:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2020-10-20 06:03:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2020-10-20 06:03:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:03:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:03:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:03:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:03:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:03:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:03:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:03:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:03:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:03:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:03:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:03:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:03:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:03:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:03:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:03:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:03:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:03:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:03:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:03:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:03:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:03:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:03:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:03:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:03:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:03:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:03:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:03:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:03:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:03:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:03:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:03:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:03:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:03:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:03:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:03:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:03:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:03:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:03:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:03:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:03:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:03:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:03:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:03:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:03:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:03:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:03:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:03:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:03:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:03:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:03:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:03:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:03:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:03:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:03:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:03:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:03:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:03:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:03:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:03:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:03:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:03:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:03:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:03:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:03:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:03:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:03:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:03:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:03:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:03:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:03:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:03:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:03:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:03:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:03:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:03:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:03:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:03:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:03:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:03:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:03:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:03:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:03:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:03:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:03:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:03:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:03:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:03:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:03:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:03:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:03:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:03:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:03:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:03:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:03:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:03:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:03:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:03:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:03:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:03:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:03:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:03:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:03:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:03:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:03:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:03:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:03:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:03:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:03:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:03:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:03:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:03:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:03:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:03:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:03:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:03:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:03:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:03:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:03:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:03:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:03:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:03:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:03:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:03:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:03:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:03:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:03:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:03:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:03:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:03:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:03:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:03:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:03:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:03:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:03:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:03:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:03:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:03:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:03:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:03:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:03:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:03:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:03:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:03:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:03:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:03:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:03:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2020-10-20 06:03:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2020-10-20 06:03:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:03:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:03:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:03:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:03:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:03:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:03:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:03:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:03:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:03:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:03:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:03:26,505 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:03:26,874 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:03:27,292 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:03:27,292 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:03:27,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:03:27 BoogieIcfgContainer [2020-10-20 06:03:27,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:03:27,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:03:27,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:03:27,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:03:27,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:03:24" (1/3) ... [2020-10-20 06:03:27,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0e9a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:03:27, skipping insertion in model container [2020-10-20 06:03:27,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:25" (2/3) ... [2020-10-20 06:03:27,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0e9a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:03:27, skipping insertion in model container [2020-10-20 06:03:27,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:03:27" (3/3) ... [2020-10-20 06:03:27,304 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2020-10-20 06:03:27,317 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:03:27,326 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-20 06:03:27,342 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-20 06:03:27,367 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:03:27,368 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:03:27,368 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:03:27,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:03:27,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:03:27,368 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:03:27,368 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:03:27,369 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:03:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-10-20 06:03:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 06:03:27,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:03:27,401 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] [2020-10-20 06:03:27,402 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2020-10-20 06:03:27,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:03:27,409 INFO L82 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2020-10-20 06:03:27,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:03:27,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112676579] [2020-10-20 06:03:27,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 06:03:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:03:27,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:03:27,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:03:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:27,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:03:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:27,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112676579] [2020-10-20 06:03:27,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:03:27,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:03:27,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890166548] [2020-10-20 06:03:27,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:03:27,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:03:27,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:03:27,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:03:27,890 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 9 states. [2020-10-20 06:03:27,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:03:27,992 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-10-20 06:03:27,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:03:27,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-20 06:03:27,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:03:28,004 INFO L225 Difference]: With dead ends: 33 [2020-10-20 06:03:28,004 INFO L226 Difference]: Without dead ends: 30 [2020-10-20 06:03:28,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:03:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-20 06:03:28,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-20 06:03:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-20 06:03:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-20 06:03:28,053 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2020-10-20 06:03:28,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:03:28,054 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-20 06:03:28,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:03:28,054 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-20 06:03:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 06:03:28,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:03:28,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:03:28,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:03:28,268 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2020-10-20 06:03:28,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:03:28,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2020-10-20 06:03:28,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:03:28,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261574429] [2020-10-20 06:03:28,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 06:03:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:03:28,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:03:28,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:03:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:28,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:03:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:28,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261574429] [2020-10-20 06:03:28,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:03:28,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2020-10-20 06:03:28,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037422196] [2020-10-20 06:03:29,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-20 06:03:29,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:03:29,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-20 06:03:29,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-20 06:03:29,002 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 17 states. [2020-10-20 06:03:29,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:03:29,513 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-20 06:03:29,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-20 06:03:29,514 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 21 [2020-10-20 06:03:29,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:03:29,518 INFO L225 Difference]: With dead ends: 46 [2020-10-20 06:03:29,518 INFO L226 Difference]: Without dead ends: 46 [2020-10-20 06:03:29,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-10-20 06:03:29,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-20 06:03:29,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-10-20 06:03:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 06:03:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2020-10-20 06:03:29,528 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2020-10-20 06:03:29,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:03:29,528 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2020-10-20 06:03:29,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-20 06:03:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-10-20 06:03:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 06:03:29,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:03:29,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:03:29,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:03:29,734 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2020-10-20 06:03:29,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:03:29,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2020-10-20 06:03:29,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:03:29,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940159290] [2020-10-20 06:03:29,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 06:03:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:03:29,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:03:29,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:03:29,941 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:03:29,941 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:03:29,946 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:03:29,946 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:03:29,947 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:03:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:30,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:03:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:30,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940159290] [2020-10-20 06:03:30,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:03:30,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-10-20 06:03:30,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007124968] [2020-10-20 06:03:30,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:03:30,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:03:30,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:03:30,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:03:30,154 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2020-10-20 06:03:30,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:03:30,292 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-20 06:03:30,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:03:30,293 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-20 06:03:30,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:03:30,295 INFO L225 Difference]: With dead ends: 43 [2020-10-20 06:03:30,295 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 06:03:30,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:03:30,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 06:03:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 06:03:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 06:03:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-20 06:03:30,303 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2020-10-20 06:03:30,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:03:30,304 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-20 06:03:30,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:03:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-20 06:03:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 06:03:30,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:03:30,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:03:30,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:03:30,514 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2020-10-20 06:03:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:03:30,515 INFO L82 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2020-10-20 06:03:30,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:03:30,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461184603] [2020-10-20 06:03:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 06:03:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:03:30,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-20 06:03:30,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:03:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:30,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:03:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:30,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461184603] [2020-10-20 06:03:30,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:03:30,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2020-10-20 06:03:30,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829889281] [2020-10-20 06:03:30,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:03:30,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:03:30,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:03:30,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:03:30,916 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 9 states. [2020-10-20 06:03:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:03:30,994 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-10-20 06:03:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:03:30,995 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-20 06:03:30,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:03:30,996 INFO L225 Difference]: With dead ends: 41 [2020-10-20 06:03:30,996 INFO L226 Difference]: Without dead ends: 41 [2020-10-20 06:03:30,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:03:30,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-20 06:03:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-10-20 06:03:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 06:03:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2020-10-20 06:03:31,002 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2020-10-20 06:03:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:03:31,003 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2020-10-20 06:03:31,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:03:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2020-10-20 06:03:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 06:03:31,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:03:31,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:03:31,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:03:31,218 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2020-10-20 06:03:31,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:03:31,218 INFO L82 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2020-10-20 06:03:31,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:03:31,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998113273] [2020-10-20 06:03:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 06:03:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:03:31,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:03:31,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:03:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:31,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:03:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:31,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998113273] [2020-10-20 06:03:31,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:03:31,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:03:31,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670257976] [2020-10-20 06:03:31,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:03:31,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:03:31,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:03:31,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:03:31,481 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 3 states. [2020-10-20 06:03:31,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:03:31,512 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2020-10-20 06:03:31,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:03:31,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 06:03:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:03:31,514 INFO L225 Difference]: With dead ends: 42 [2020-10-20 06:03:31,514 INFO L226 Difference]: Without dead ends: 28 [2020-10-20 06:03:31,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:03:31,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-20 06:03:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-20 06:03:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-20 06:03:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2020-10-20 06:03:31,519 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2020-10-20 06:03:31,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:03:31,519 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2020-10-20 06:03:31,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:03:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2020-10-20 06:03:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 06:03:31,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:03:31,521 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:03:31,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 06:03:31,731 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2020-10-20 06:03:31,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:03:31,731 INFO L82 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2020-10-20 06:03:31,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:03:31,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448685123] [2020-10-20 06:03:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-20 06:03:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:03:31,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjunts are in the unsatisfiable core [2020-10-20 06:03:31,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:03:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:03:36,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:03:54,572 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:03:54,588 WARN L838 $PredicateComparison]: unable to prove that (forall ((|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_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|))) is different from false [2020-10-20 06:03:54,592 WARN L860 $PredicateComparison]: unable to prove that (forall ((|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_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|))) is different from true [2020-10-20 06:03:54,610 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:03:54,628 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:03:54,638 WARN L838 $PredicateComparison]: unable to prove that (forall ((|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_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_g5_~p.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-20 06:03:54,663 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:03:54,680 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:03:54,697 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:03:54,714 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:03:54,722 WARN L838 $PredicateComparison]: unable to prove that (forall ((|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_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_g5_#in~p.base| (_ bv0 1))))) is different from false [2020-10-20 06:04:01,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:04:01,187 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,195 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_h5_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) is different from false [2020-10-20 06:04:01,200 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_h5_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) is different from true [2020-10-20 06:04:01,213 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:04:01,225 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,239 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:04:01,247 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,256 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))) (= (store |c_#valid| |c_h5_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-20 06:04:01,264 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))) (= (store |c_#valid| |c_h5_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-10-20 06:04:01,331 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:04:01,336 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,357 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_h5_#t~ret38.base_66| (_ BitVec 32))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (not (= (select |c_#valid| |v_h5_#t~ret38.base_66|) (_ bv0 1))) (= (store |c_#valid| |v_h5_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) is different from false [2020-10-20 06:04:01,366 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_h5_#t~ret38.base_66| (_ BitVec 32))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (not (= (select |c_#valid| |v_h5_#t~ret38.base_66|) (_ bv0 1))) (= (store |c_#valid| |v_h5_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) is different from true [2020-10-20 06:04:01,416 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:04:01,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:04:01,436 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:04:01,444 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,472 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_h5_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (not (= (store |c_old(#valid)| |v_h5_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (= (_ bv0 1) (select |c_old(#valid)| |v_h5_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36| (_ bv0 1)) v_prenex_3) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_15)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36|))))))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-20 06:04:01,482 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_h5_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (not (= (store |c_old(#valid)| |v_h5_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (= (_ bv0 1) (select |c_old(#valid)| |v_h5_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36| (_ bv0 1)) v_prenex_3) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_15)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36|))))))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-10-20 06:04:01,517 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:04:01,525 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:04:01,531 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:04:01,538 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:04:01,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:04:01,618 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:04:01,625 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,649 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))) (exists ((|v_h5_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (not (= (store |c_old(#valid)| |v_h5_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (= (_ bv0 1) (select |c_old(#valid)| |v_h5_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36| (_ bv0 1)) v_prenex_3) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_15)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36|))))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))))) is different from false [2020-10-20 06:04:01,658 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))) (exists ((|v_h5_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (not (= (store |c_old(#valid)| |v_h5_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (= (_ bv0 1) (select |c_old(#valid)| |v_h5_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36| (_ bv0 1)) v_prenex_3) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_15)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36|))))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))))) is different from true [2020-10-20 06:04:01,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:04:01,708 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:04:01,714 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:04:01,719 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:04:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:04:01,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448685123] [2020-10-20 06:04:01,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:04:01,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 15] imperfect sequences [] total 23 [2020-10-20 06:04:01,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556004665] [2020-10-20 06:04:01,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-20 06:04:01,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:04:01,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-20 06:04:01,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=159, Unknown=56, NotChecked=280, Total=552 [2020-10-20 06:04:01,769 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 24 states. [2020-10-20 06:04:14,713 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_h5_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (not (= (store |c_old(#valid)| |v_h5_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (= (_ bv0 1) (select |c_old(#valid)| |v_h5_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36| (_ bv0 1)) v_prenex_3) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_15)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_36|))))))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-10-20 06:04:14,720 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_h5_#t~ret38.base| (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| |c_h5_#t~ret38.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))) (= (store |c_#valid| |c_h5_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) is different from false [2020-10-20 06:04:14,731 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_h5_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3))) (not (= v_prenex_3 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) (= (select |c_old(#valid)| |c_h5_#res.base|) (_ bv0 1)) (= (store |c_old(#valid)| |c_h5_#res.base| (_ bv1 1)) |c_#valid|)) is different from false [2020-10-20 06:04:18,789 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|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_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_g5_#in~p.base| (_ bv0 1))))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-10-20 06:04:18,796 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (= |c_g5_#in~p.base| c_g5_~p.base) (forall ((|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_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_g5_~p.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) is different from false [2020-10-20 06:04:18,804 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) |c_#valid|) (forall ((|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_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_g5_#in~p.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|)))) is different from false [2020-10-20 06:04:18,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:04:18,828 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-10-20 06:04:18,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 06:04:18,829 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 27 [2020-10-20 06:04:18,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:04:18,830 INFO L225 Difference]: With dead ends: 27 [2020-10-20 06:04:18,830 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:04:18,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 14 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 29.5s TimeCoverageRelationStatistics Valid=79, Invalid=185, Unknown=98, NotChecked=630, Total=992 [2020-10-20 06:04:18,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:04:18,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:04:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:04:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:04:18,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-20 06:04:18,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:04:18,834 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:04:18,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-20 06:04:18,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:04:18,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:04:19,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-20 06:04:19,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:04:19 BoogieIcfgContainer [2020-10-20 06:04:19,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:04:19,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:04:19,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:04:19,042 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:04:19,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:03:27" (3/4) ... [2020-10-20 06:04:19,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:04:19,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-20 06:04:19,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:04:19,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-20 06:04:19,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-20 06:04:19,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-20 06:04:19,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:04:19,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:04:19,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-20 06:04:19,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-20 06:04:19,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-20 06:04:19,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-20 06:04:19,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-20 06:04:19,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-20 06:04:19,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-20 06:04:19,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-20 06:04:19,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-20 06:04:19,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-20 06:04:19,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-20 06:04:19,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-20 06:04:19,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g5 [2020-10-20 06:04:19,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-20 06:04:19,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-20 06:04:19,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-20 06:04:19,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-20 06:04:19,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-20 06:04:19,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-20 06:04:19,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-20 06:04:19,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-20 06:04:19,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h5 [2020-10-20 06:04:19,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-20 06:04:19,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-20 06:04:19,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-20 06:04:19,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-20 06:04:19,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-20 06:04:19,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-20 06:04:19,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-20 06:04:19,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-20 06:04:19,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-20 06:04:19,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-20 06:04:19,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-20 06:04:19,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-20 06:04:19,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-20 06:04:19,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-20 06:04:19,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:04:19,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-20 06:04:19,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-20 06:04:19,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-20 06:04:19,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-20 06:04:19,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-10-20 06:04:19,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 06:04:19,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:04:19,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:04:19,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:04:19,127 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:04:19,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:04:19,128 INFO L168 Benchmark]: Toolchain (without parser) took 54369.35 ms. Allocated memory was 37.2 MB in the beginning and 92.8 MB in the end (delta: 55.6 MB). Free memory was 17.5 MB in the beginning and 35.1 MB in the end (delta: -17.6 MB). Peak memory consumption was 38.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:04:19,129 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 10.9 MB in the beginning and 10.8 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:04:19,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.62 ms. Allocated memory was 37.2 MB in the beginning and 47.2 MB in the end (delta: 10.0 MB). Free memory was 16.5 MB in the beginning and 23.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:04:19,130 INFO L168 Benchmark]: Boogie Preprocessor took 117.83 ms. Allocated memory is still 47.2 MB. Free memory was 23.9 MB in the beginning and 18.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:04:19,131 INFO L168 Benchmark]: RCFGBuilder took 1549.37 ms. Allocated memory was 47.2 MB in the beginning and 66.1 MB in the end (delta: 18.9 MB). Free memory was 18.7 MB in the beginning and 34.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:04:19,131 INFO L168 Benchmark]: TraceAbstraction took 51745.81 ms. Allocated memory was 66.1 MB in the beginning and 92.8 MB in the end (delta: 26.7 MB). Free memory was 33.8 MB in the beginning and 42.1 MB in the end (delta: -8.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:04:19,132 INFO L168 Benchmark]: Witness Printer took 85.19 ms. Allocated memory is still 92.8 MB. Free memory was 42.1 MB in the beginning and 35.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:04:19,134 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 34.1 MB. Free memory was 10.9 MB in the beginning and 10.8 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 860.62 ms. Allocated memory was 37.2 MB in the beginning and 47.2 MB in the end (delta: 10.0 MB). Free memory was 16.5 MB in the beginning and 23.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 117.83 ms. Allocated memory is still 47.2 MB. Free memory was 23.9 MB in the beginning and 18.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1549.37 ms. Allocated memory was 47.2 MB in the beginning and 66.1 MB in the end (delta: 18.9 MB). Free memory was 18.7 MB in the beginning and 34.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 51745.81 ms. Allocated memory was 66.1 MB in the beginning and 92.8 MB in the end (delta: 26.7 MB). Free memory was 33.8 MB in the beginning and 42.1 MB in the end (delta: -8.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 14.3 GB. * Witness Printer took 85.19 ms. Allocated memory is still 92.8 MB. Free memory was 42.1 MB in the beginning and 35.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 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: 770]: 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: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 148 SDtfs, 72 SDslu, 680 SDs, 0 SdLazy, 525 SolverSat, 21 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 14 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 30.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 31.4s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 260 ConstructedInterpolants, 24 QuantifiedInterpolants, 46798 SizeOfPredicates, 21 NumberOfNonLiveVariables, 506 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...