./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5fbdf5bf 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61683ce69ab6e0be34131bf5e9c8287c381247ab ..................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61683ce69ab6e0be34131bf5e9c8287c381247ab ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:48:02,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:48:02,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:48:02,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:48:02,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:48:02,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:48:02,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:48:02,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:48:02,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:48:02,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:48:02,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:48:02,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:48:02,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:48:02,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:48:02,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:48:02,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:48:02,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:48:02,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:48:02,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:48:02,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:48:02,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:48:02,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:48:02,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:48:02,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:48:02,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:48:02,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:48:02,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:48:02,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:48:02,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:48:02,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:48:02,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:48:02,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:48:02,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:48:02,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:48:02,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:48:02,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:48:02,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:48:02,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:48:02,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:48:02,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:48:02,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:48:02,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-30 17:48:02,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:48:02,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:48:02,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:48:02,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:48:02,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:48:02,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:48:02,690 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:48:02,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:48:02,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:48:02,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:48:02,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:48:02,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:48:02,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:48:02,691 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:48:02,692 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:48:02,692 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:48:02,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:48:02,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:48:02,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:48:02,693 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:48:02,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:48:02,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:48:02,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:48:02,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:48:02,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:48:02,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:48:02,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 17:48:02,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 17:48:02,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:48:02,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2021-08-30 17:48:02,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:48:02,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:48:02,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:48:02,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:48:02,982 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:48:02,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-08-30 17:48:03,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2a25878c/236c224fc70d4ac6b5ae62e29f69bfdf/FLAGe87994266 [2021-08-30 17:48:03,581 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:48:03,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-08-30 17:48:03,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2a25878c/236c224fc70d4ac6b5ae62e29f69bfdf/FLAGe87994266 [2021-08-30 17:48:04,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2a25878c/236c224fc70d4ac6b5ae62e29f69bfdf [2021-08-30 17:48:04,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:48:04,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:48:04,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:48:04,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:48:04,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:48:04,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:48:04" (1/1) ... [2021-08-30 17:48:04,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a74382e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:04, skipping insertion in model container [2021-08-30 17:48:04,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:48:04" (1/1) ... [2021-08-30 17:48:04,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:48:04,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:48:04,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:48:04,374 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) [2021-08-30 17:48:04,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4703df2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:04, skipping insertion in model container [2021-08-30 17:48:04,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:48:04,376 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 17:48:04,377 INFO L158 Benchmark]: Toolchain (without parser) took 326.30ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.0MB in the beginning and 40.8MB in the end (delta: -15.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-08-30 17:48:04,378 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:48:04,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.97ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.8MB in the beginning and 40.8MB in the end (delta: -16.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-08-30 17:48:04,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.97ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.8MB in the beginning and 40.8MB in the end (delta: -16.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * 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 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:48:05,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:48:05,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:48:05,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:48:05,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:48:05,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:48:05,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:48:05,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:48:06,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:48:06,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:48:06,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:48:06,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:48:06,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:48:06,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:48:06,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:48:06,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:48:06,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:48:06,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:48:06,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:48:06,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:48:06,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:48:06,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:48:06,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:48:06,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:48:06,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:48:06,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:48:06,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:48:06,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:48:06,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:48:06,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:48:06,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:48:06,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:48:06,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:48:06,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:48:06,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:48:06,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:48:06,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:48:06,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:48:06,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:48:06,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:48:06,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:48:06,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-30 17:48:06,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:48:06,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:48:06,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:48:06,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:48:06,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:48:06,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:48:06,088 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:48:06,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:48:06,088 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:48:06,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:48:06,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:48:06,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:48:06,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:48:06,090 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:48:06,090 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:48:06,090 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:48:06,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:48:06,091 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:48:06,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 17:48:06,091 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 17:48:06,091 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:48:06,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:48:06,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:48:06,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:48:06,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:48:06,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:48:06,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:48:06,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:48:06,093 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 17:48:06,093 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 17:48:06,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:48:06,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 17:48:06,094 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61683ce69ab6e0be34131bf5e9c8287c381247ab [2021-08-30 17:48:06,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:48:06,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:48:06,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:48:06,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:48:06,420 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:48:06,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-08-30 17:48:06,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad641c119/5a97248be92a4032a2a25e539d17da69/FLAG6bdea4ac0 [2021-08-30 17:48:06,947 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:48:06,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-08-30 17:48:06,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad641c119/5a97248be92a4032a2a25e539d17da69/FLAG6bdea4ac0 [2021-08-30 17:48:07,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad641c119/5a97248be92a4032a2a25e539d17da69 [2021-08-30 17:48:07,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:48:07,302 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:48:07,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:48:07,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:48:07,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:48:07,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e7f5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07, skipping insertion in model container [2021-08-30 17:48:07,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:48:07,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:48:07,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:48:07,693 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-30 17:48:07,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:48:07,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:48:07,745 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 17:48:07,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:48:07,825 INFO L208 MainTranslator]: Completed translation [2021-08-30 17:48:07,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07 WrapperNode [2021-08-30 17:48:07,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:48:07,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 17:48:07,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 17:48:07,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 17:48:07,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 17:48:07,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 17:48:07,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 17:48:07,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 17:48:07,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (1/1) ... [2021-08-30 17:48:07,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:48:07,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 17:48:07,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-30 17:48:08,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-30 17:48:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-30 17:48:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 17:48:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:48:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:48:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-30 17:48:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-30 17:48:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-30 17:48:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-30 17:48:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-30 17:48:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-30 17:48:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-30 17:48:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-30 17:48:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-30 17:48:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:48:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-30 17:48:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-30 17:48:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-30 17:48:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-30 17:48:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-30 17:48:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-30 17:48:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-30 17:48:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2021-08-30 17:48:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2021-08-30 17:48:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-30 17:48:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-30 17:48:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-30 17:48:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-30 17:48:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-30 17:48:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-30 17:48:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-30 17:48:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-30 17:48:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-30 17:48:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-30 17:48:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-30 17:48:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-30 17:48:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-30 17:48:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-30 17:48:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-30 17:48:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-30 17:48:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-30 17:48:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-30 17:48:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-30 17:48:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-30 17:48:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-30 17:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-30 17:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-30 17:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-30 17:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-30 17:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-30 17:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-30 17:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-30 17:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-30 17:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-30 17:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-30 17:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-30 17:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-30 17:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-30 17:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-30 17:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-30 17:48:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-30 17:48:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-30 17:48:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-30 17:48:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-30 17:48:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-30 17:48:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-30 17:48:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-30 17:48:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-30 17:48:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-30 17:48:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-30 17:48:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-30 17:48:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-30 17:48:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-30 17:48:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-30 17:48:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-30 17:48:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-30 17:48:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-30 17:48:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-30 17:48:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-30 17:48:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-30 17:48:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-30 17:48:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-30 17:48:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-30 17:48:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-30 17:48:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-30 17:48:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-30 17:48:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-30 17:48:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-30 17:48:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-30 17:48:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-30 17:48:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-30 17:48:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-30 17:48:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-30 17:48:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-30 17:48:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-30 17:48:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-30 17:48:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-30 17:48:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-30 17:48:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-30 17:48:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-30 17:48:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-30 17:48:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-30 17:48:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 17:48:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-30 17:48:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-30 17:48:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:48:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 17:48:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-30 17:48:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-30 17:48:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-30 17:48:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-30 17:48:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-30 17:48:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-30 17:48:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:48:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-30 17:48:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-30 17:48:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-30 17:48:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-30 17:48:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-30 17:48:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-30 17:48:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-30 17:48:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2021-08-30 17:48:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2021-08-30 17:48:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-30 17:48:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-30 17:48:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-30 17:48:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 17:48:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 17:48:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 17:48:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:48:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-30 17:48:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-30 17:48:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-30 17:48:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-30 17:48:08,475 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:48:08,575 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:48:08,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 17:48:08,647 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-30 17:48:08,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:48:08 BoogieIcfgContainer [2021-08-30 17:48:08,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 17:48:08,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 17:48:08,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 17:48:08,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 17:48:08,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:48:07" (1/3) ... [2021-08-30 17:48:08,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4905304b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:48:08, skipping insertion in model container [2021-08-30 17:48:08,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:48:07" (2/3) ... [2021-08-30 17:48:08,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4905304b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:48:08, skipping insertion in model container [2021-08-30 17:48:08,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:48:08" (3/3) ... [2021-08-30 17:48:08,661 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2021-08-30 17:48:08,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 17:48:08,665 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-08-30 17:48:08,709 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 17:48:08,715 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-30 17:48:08,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-08-30 17:48:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-08-30 17:48:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-30 17:48:08,748 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:48:08,748 INFO L513 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] [2021-08-30 17:48:08,749 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_16Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-30 17:48:08,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:48:08,753 INFO L82 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2021-08-30 17:48:08,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:48:08,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079623583] [2021-08-30 17:48:08,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:48:08,763 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:48:08,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:48:08,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:48:08,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-30 17:48:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:48:08,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-30 17:48:08,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:48:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:09,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:48:09,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:09,271 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:48:09,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079623583] [2021-08-30 17:48:09,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079623583] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:48:09,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:48:09,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-08-30 17:48:09,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111290896] [2021-08-30 17:48:09,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-30 17:48:09,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:48:09,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-30 17:48:09,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-30 17:48:09,299 INFO L87 Difference]: Start difference. First operand has 106 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:48:09,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:48:09,441 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-08-30 17:48:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-30 17:48:09,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-08-30 17:48:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:48:09,448 INFO L225 Difference]: With dead ends: 35 [2021-08-30 17:48:09,449 INFO L226 Difference]: Without dead ends: 32 [2021-08-30 17:48:09,450 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.76ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-30 17:48:09,453 INFO L928 BasicCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.34ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.98ms IncrementalHoareTripleChecker+Time [2021-08-30 17:48:09,454 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 85 Invalid, 175 Unknown, 0 Unchecked, 3.34ms Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 109.98ms Time] [2021-08-30 17:48:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-08-30 17:48:09,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-08-30 17:48:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-30 17:48:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-08-30 17:48:09,480 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2021-08-30 17:48:09,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:48:09,481 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-08-30 17:48:09,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:48:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-08-30 17:48:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-30 17:48:09,482 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:48:09,482 INFO L513 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] [2021-08-30 17:48:09,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-30 17:48:09,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:48:09,692 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_16Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-30 17:48:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:48:09,693 INFO L82 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2021-08-30 17:48:09,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:48:09,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89906371] [2021-08-30 17:48:09,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:48:09,694 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:48:09,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:48:09,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:48:09,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-30 17:48:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:48:09,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-30 17:48:09,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:48:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:10,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:48:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:10,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:48:10,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89906371] [2021-08-30 17:48:10,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89906371] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:48:10,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:48:10,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-08-30 17:48:10,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449414746] [2021-08-30 17:48:10,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-30 17:48:10,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:48:10,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-30 17:48:10,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-08-30 17:48:10,421 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-30 17:48:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:48:10,822 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-08-30 17:48:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-30 17:48:10,823 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 23 [2021-08-30 17:48:10,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:48:10,825 INFO L225 Difference]: With dead ends: 48 [2021-08-30 17:48:10,825 INFO L226 Difference]: Without dead ends: 48 [2021-08-30 17:48:10,825 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 290.53ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-08-30 17:48:10,826 INFO L928 BasicCegarLoop]: 10 mSDtfsCounter, 49 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 264.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.27ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 322.42ms IncrementalHoareTripleChecker+Time [2021-08-30 17:48:10,827 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 17 Invalid, 374 Unknown, 0 Unchecked, 2.27ms Time], IncrementalHoareTripleChecker [10 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 322.42ms Time] [2021-08-30 17:48:10,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-08-30 17:48:10,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2021-08-30 17:48:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-30 17:48:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2021-08-30 17:48:10,832 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2021-08-30 17:48:10,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:48:10,832 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2021-08-30 17:48:10,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-30 17:48:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2021-08-30 17:48:10,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-30 17:48:10,837 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:48:10,837 INFO L513 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] [2021-08-30 17:48:10,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-30 17:48:11,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:48:11,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-30 17:48:11,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:48:11,047 INFO L82 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2021-08-30 17:48:11,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:48:11,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017450329] [2021-08-30 17:48:11,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:48:11,048 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:48:11,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:48:11,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:48:11,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-30 17:48:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:48:11,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-30 17:48:11,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:48:11,224 INFO L388 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 [2021-08-30 17:48:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:11,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:48:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:11,435 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:48:11,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017450329] [2021-08-30 17:48:11,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017450329] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:48:11,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:48:11,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-08-30 17:48:11,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939841723] [2021-08-30 17:48:11,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-30 17:48:11,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:48:11,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-30 17:48:11,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-30 17:48:11,437 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:48:11,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:48:11,594 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2021-08-30 17:48:11,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-30 17:48:11,595 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-08-30 17:48:11,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:48:11,596 INFO L225 Difference]: With dead ends: 47 [2021-08-30 17:48:11,596 INFO L226 Difference]: Without dead ends: 47 [2021-08-30 17:48:11,597 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 68.32ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-30 17:48:11,598 INFO L928 BasicCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.54ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.14ms IncrementalHoareTripleChecker+Time [2021-08-30 17:48:11,598 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 62 Invalid, 202 Unknown, 0 Unchecked, 1.54ms Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 142.14ms Time] [2021-08-30 17:48:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-30 17:48:11,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-08-30 17:48:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-08-30 17:48:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2021-08-30 17:48:11,613 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2021-08-30 17:48:11,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:48:11,614 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2021-08-30 17:48:11,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:48:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-08-30 17:48:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-30 17:48:11,621 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:48:11,621 INFO L513 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] [2021-08-30 17:48:11,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-30 17:48:11,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:48:11,831 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-30 17:48:11,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:48:11,831 INFO L82 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2021-08-30 17:48:11,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:48:11,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189372486] [2021-08-30 17:48:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:48:11,832 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:48:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:48:11,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:48:11,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-30 17:48:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:48:11,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-30 17:48:11,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:48:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:12,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:48:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:48:12,132 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:48:12,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189372486] [2021-08-30 17:48:12,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189372486] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:48:12,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:48:12,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-08-30 17:48:12,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170383712] [2021-08-30 17:48:12,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-30 17:48:12,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:48:12,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-30 17:48:12,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-30 17:48:12,134 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:48:12,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:48:12,284 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-08-30 17:48:12,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-30 17:48:12,285 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-08-30 17:48:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:48:12,286 INFO L225 Difference]: With dead ends: 48 [2021-08-30 17:48:12,286 INFO L226 Difference]: Without dead ends: 48 [2021-08-30 17:48:12,286 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.95ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-30 17:48:12,287 INFO L928 BasicCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.74ms IncrementalHoareTripleChecker+Time [2021-08-30 17:48:12,287 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 116 Invalid, 244 Unknown, 0 Unchecked, 1.39ms Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 133.74ms Time] [2021-08-30 17:48:12,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-08-30 17:48:12,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2021-08-30 17:48:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-30 17:48:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-08-30 17:48:12,292 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2021-08-30 17:48:12,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:48:12,292 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-08-30 17:48:12,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-30 17:48:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-08-30 17:48:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-30 17:48:12,293 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:48:12,293 INFO L513 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] [2021-08-30 17:48:12,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-30 17:48:12,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:48:12,501 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-30 17:48:12,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:48:12,502 INFO L82 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2021-08-30 17:48:12,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:48:12,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895047676] [2021-08-30 17:48:12,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:48:12,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:48:12,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:48:12,503 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:48:12,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-30 17:48:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 17:48:12,626 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-30 17:48:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 17:48:12,667 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-30 17:48:12,668 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-30 17:48:12,668 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (73 of 74 remaining) [2021-08-30 17:48:12,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (72 of 74 remaining) [2021-08-30 17:48:12,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (71 of 74 remaining) [2021-08-30 17:48:12,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (70 of 74 remaining) [2021-08-30 17:48:12,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (69 of 74 remaining) [2021-08-30 17:48:12,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (68 of 74 remaining) [2021-08-30 17:48:12,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (67 of 74 remaining) [2021-08-30 17:48:12,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (66 of 74 remaining) [2021-08-30 17:48:12,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (65 of 74 remaining) [2021-08-30 17:48:12,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (64 of 74 remaining) [2021-08-30 17:48:12,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (63 of 74 remaining) [2021-08-30 17:48:12,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (62 of 74 remaining) [2021-08-30 17:48:12,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (61 of 74 remaining) [2021-08-30 17:48:12,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (60 of 74 remaining) [2021-08-30 17:48:12,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (59 of 74 remaining) [2021-08-30 17:48:12,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (58 of 74 remaining) [2021-08-30 17:48:12,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (57 of 74 remaining) [2021-08-30 17:48:12,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (56 of 74 remaining) [2021-08-30 17:48:12,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (55 of 74 remaining) [2021-08-30 17:48:12,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (54 of 74 remaining) [2021-08-30 17:48:12,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (53 of 74 remaining) [2021-08-30 17:48:12,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (52 of 74 remaining) [2021-08-30 17:48:12,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (51 of 74 remaining) [2021-08-30 17:48:12,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (50 of 74 remaining) [2021-08-30 17:48:12,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (49 of 74 remaining) [2021-08-30 17:48:12,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (48 of 74 remaining) [2021-08-30 17:48:12,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (47 of 74 remaining) [2021-08-30 17:48:12,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (46 of 74 remaining) [2021-08-30 17:48:12,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (45 of 74 remaining) [2021-08-30 17:48:12,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (44 of 74 remaining) [2021-08-30 17:48:12,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (43 of 74 remaining) [2021-08-30 17:48:12,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (42 of 74 remaining) [2021-08-30 17:48:12,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (41 of 74 remaining) [2021-08-30 17:48:12,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (40 of 74 remaining) [2021-08-30 17:48:12,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (39 of 74 remaining) [2021-08-30 17:48:12,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (38 of 74 remaining) [2021-08-30 17:48:12,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (37 of 74 remaining) [2021-08-30 17:48:12,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (36 of 74 remaining) [2021-08-30 17:48:12,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (35 of 74 remaining) [2021-08-30 17:48:12,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (34 of 74 remaining) [2021-08-30 17:48:12,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (33 of 74 remaining) [2021-08-30 17:48:12,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (32 of 74 remaining) [2021-08-30 17:48:12,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (31 of 74 remaining) [2021-08-30 17:48:12,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (30 of 74 remaining) [2021-08-30 17:48:12,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (29 of 74 remaining) [2021-08-30 17:48:12,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (28 of 74 remaining) [2021-08-30 17:48:12,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (27 of 74 remaining) [2021-08-30 17:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (26 of 74 remaining) [2021-08-30 17:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (25 of 74 remaining) [2021-08-30 17:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (24 of 74 remaining) [2021-08-30 17:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (23 of 74 remaining) [2021-08-30 17:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (22 of 74 remaining) [2021-08-30 17:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (21 of 74 remaining) [2021-08-30 17:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (20 of 74 remaining) [2021-08-30 17:48:12,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (19 of 74 remaining) [2021-08-30 17:48:12,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (18 of 74 remaining) [2021-08-30 17:48:12,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (17 of 74 remaining) [2021-08-30 17:48:12,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (16 of 74 remaining) [2021-08-30 17:48:12,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (15 of 74 remaining) [2021-08-30 17:48:12,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (14 of 74 remaining) [2021-08-30 17:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (13 of 74 remaining) [2021-08-30 17:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (12 of 74 remaining) [2021-08-30 17:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (11 of 74 remaining) [2021-08-30 17:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (10 of 74 remaining) [2021-08-30 17:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (9 of 74 remaining) [2021-08-30 17:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (8 of 74 remaining) [2021-08-30 17:48:12,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (7 of 74 remaining) [2021-08-30 17:48:12,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (6 of 74 remaining) [2021-08-30 17:48:12,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (5 of 74 remaining) [2021-08-30 17:48:12,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (4 of 74 remaining) [2021-08-30 17:48:12,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (3 of 74 remaining) [2021-08-30 17:48:12,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err0ASSERT_VIOLATIONMEMORY_FREE (2 of 74 remaining) [2021-08-30 17:48:12,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err1ASSERT_VIOLATIONMEMORY_FREE (1 of 74 remaining) [2021-08-30 17:48:12,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err2ASSERT_VIOLATIONMEMORY_FREE (0 of 74 remaining) [2021-08-30 17:48:12,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-30 17:48:12,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:48:12,896 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 17:48:12,902 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-30 17:48:12,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 05:48:12 BoogieIcfgContainer [2021-08-30 17:48:12,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 17:48:12,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 17:48:12,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 17:48:12,914 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 17:48:12,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:48:08" (3/4) ... [2021-08-30 17:48:12,917 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-30 17:48:12,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 17:48:12,918 INFO L158 Benchmark]: Toolchain (without parser) took 5616.33ms. Allocated memory was 56.6MB in the beginning and 83.9MB in the end (delta: 27.3MB). Free memory was 32.4MB in the beginning and 37.7MB in the end (delta: -5.3MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-08-30 17:48:12,918 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:48:12,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.24ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 32.2MB in the beginning and 47.5MB in the end (delta: -15.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-08-30 17:48:12,919 INFO L158 Benchmark]: Boogie Preprocessor took 101.01ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 43.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 17:48:12,919 INFO L158 Benchmark]: RCFGBuilder took 724.12ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 42.1MB in the end (delta: 700.0kB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-08-30 17:48:12,920 INFO L158 Benchmark]: TraceAbstraction took 4258.43ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.5MB in the beginning and 38.3MB in the end (delta: 3.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-08-30 17:48:12,920 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 83.9MB. Free memory was 38.3MB in the beginning and 37.7MB in the end (delta: 583.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 17:48:12,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.24ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 32.2MB in the beginning and 47.5MB in the end (delta: -15.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.01ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 43.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 724.12ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 42.1MB in the end (delta: 700.0kB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4258.43ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.5MB in the beginning and 38.3MB in the end (delta: 3.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 83.9MB. Free memory was 38.3MB in the beginning and 37.7MB in the end (delta: 583.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L775] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={-2147483648:0}] [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; VAL [\old(condition)=0, \result={1:0}, condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L771] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1:0}, condition=0, ldv_global_msg_list={-2147483648:0}] [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L765] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}, p={1:0}] [L772] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L775] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 346 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 4187.71ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 31.18ms, AutomataDifference: 902.67ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 10.58ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 708.28ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 280 SdHoareTripleChecker+Invalid, 565.45ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 746 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 983 IncrementalHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 47 mSDtfsCounter, 983 mSolverCounterSat, 8.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 449.56ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 37.41ms AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 46.53ms SsaConstructionTime, 114.65ms SatisfiabilityAnalysisTime, 1317.39ms InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 SizeOfPredicates, 9 NumberOfNonLiveVariables, 343 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-30 17:48:12,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...