./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec 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_test10-1.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 405f1f88928971d68fe43dfe32aefe8e38a8cf55 ..................................................................................................................................... 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_test10-1.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 405f1f88928971d68fe43dfe32aefe8e38a8cf55 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:02:55,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:02:55,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:02:55,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:02:55,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:02:55,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:02:55,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:02:55,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:02:55,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:02:55,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:02:55,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:02:55,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:02:55,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:02:55,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:02:55,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:02:55,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:02:55,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:02:55,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:02:55,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:02:55,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:02:55,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:02:55,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:02:55,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:02:55,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:02:55,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:02:55,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:02:55,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:02:55,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:02:55,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:02:55,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:02:55,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:02:55,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:02:55,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:02:55,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:02:55,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:02:55,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:02:55,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:02:55,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:02:55,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:02:55,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:02:55,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:02:55,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:02:55,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:02:55,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:02:55,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:02:55,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:02:55,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:02:55,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:02:55,475 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:02:55,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:02:55,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:02:55,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:02:55,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:02:55,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:02:55,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:02:55,477 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:02:55,478 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:02:55,478 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:02:55,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:02:55,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:02:55,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:02:55,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:02:55,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:02:55,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:02:55,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:02:55,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:02:55,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:02:55,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:02:55,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:02:55,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:02:55,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:02:55,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405f1f88928971d68fe43dfe32aefe8e38a8cf55 [2021-08-27 06:02:55,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:02:55,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:02:55,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:02:55,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:02:55,838 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:02:55,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-08-27 06:02:55,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a9ae7b3/f6fd58cc1d9e48fba18a2f757b3f1a1d/FLAGac981250e [2021-08-27 06:02:56,460 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:02:56,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-08-27 06:02:56,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a9ae7b3/f6fd58cc1d9e48fba18a2f757b3f1a1d/FLAGac981250e [2021-08-27 06:02:56,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a9ae7b3/f6fd58cc1d9e48fba18a2f757b3f1a1d [2021-08-27 06:02:56,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:02:56,747 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:02:56,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:02:56,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:02:56,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:02:56,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:02:56" (1/1) ... [2021-08-27 06:02:56,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fe6ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:02:56, skipping insertion in model container [2021-08-27 06:02:56,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:02:56" (1/1) ... [2021-08-27 06:02:56,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:02:56,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:02:57,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:02:57,104 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) [2021-08-27 06:02:57,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37734452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:02:57, skipping insertion in model container [2021-08-27 06:02:57,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:02:57,106 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:02:57,107 INFO L168 Benchmark]: Toolchain (without parser) took 359.68 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 43.1 MB in the end (delta: -883.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:02:57,108 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:02:57,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.12 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 43.1 MB in the end (delta: -998.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:02:57,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.12 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 43.1 MB in the end (delta: -998.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:02:58,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:02:58,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:02:58,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:02:58,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:02:58,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:02:58,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:02:58,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:02:58,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:02:58,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:02:58,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:02:58,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:02:58,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:02:58,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:02:58,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:02:58,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:02:58,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:02:58,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:02:58,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:02:58,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:02:58,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:02:58,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:02:58,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:02:58,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:02:58,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:02:58,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:02:58,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:02:58,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:02:58,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:02:58,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:02:58,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:02:58,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:02:58,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:02:58,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:02:58,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:02:58,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:02:58,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:02:58,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:02:58,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:02:58,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:02:58,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:02:58,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:02:58,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:02:58,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:02:58,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:02:58,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:02:58,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:02:58,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:02:58,806 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:02:58,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:02:58,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:02:58,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:02:58,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:02:58,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:02:58,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:02:58,809 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:02:58,809 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:02:58,809 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:02:58,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:02:58,809 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:02:58,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:02:58,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:02:58,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:02:58,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:02:58,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:02:58,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:02:58,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:02:58,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:02:58,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:02:58,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:02:58,812 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:02:58,812 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:02:58,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:02:58,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:02:58,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405f1f88928971d68fe43dfe32aefe8e38a8cf55 [2021-08-27 06:02:59,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:02:59,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:02:59,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:02:59,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:02:59,164 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:02:59,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-08-27 06:02:59,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107a92815/3b3cd38711344009889523c787eb1b27/FLAG9f644a712 [2021-08-27 06:02:59,707 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:02:59,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-08-27 06:02:59,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107a92815/3b3cd38711344009889523c787eb1b27/FLAG9f644a712 [2021-08-27 06:03:00,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107a92815/3b3cd38711344009889523c787eb1b27 [2021-08-27 06:03:00,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:03:00,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:03:00,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:03:00,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:03:00,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:03:00,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8ef04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00, skipping insertion in model container [2021-08-27 06:03:00,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:03:00,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:03:00,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:03:00,429 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:03:00,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:03:00,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:03:00,509 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:03:00,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:03:00,582 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:03:00,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00 WrapperNode [2021-08-27 06:03:00,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:03:00,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:03:00,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:03:00,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:03:00,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:03:00,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:03:00,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:03:00,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:03:00,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (1/1) ... [2021-08-27 06:03:00,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:03:00,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:03:00,704 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) [2021-08-27 06:03:00,712 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 [2021-08-27 06:03:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:03:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:03:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:03:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:03:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:03:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:03:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:03:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:03:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:03:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:03:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:03:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:03:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:03:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:03:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:03:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:03:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:03:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:03:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:03:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:03:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:03:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:03:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:03:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:03:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:03:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:03:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:03:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:03:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:03:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:03:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:03:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:03:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:03:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:03:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:03:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:03:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:03:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:03:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:03:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:03:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:03:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:03:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2021-08-27 06:03:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2021-08-27 06:03:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:03:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:03:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:03:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:03:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:03:00,748 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:03:00,749 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:03:00,749 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:03:00,749 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:03:00,749 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:03:00,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:03:00,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:03:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:03:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:03:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:03:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:03:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:03:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:03:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:03:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:03:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:03:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:03:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:03:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:03:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:03:00,752 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:03:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:03:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:03:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:03:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:03:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:03:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:03:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:03:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:03:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:03:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:03:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:03:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:03:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:03:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:03:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:03:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:03:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:03:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:03:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:03:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:03:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:03:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:03:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:03:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:03:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:03:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:03:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:03:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:03:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:03:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:03:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:03:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:03:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:03:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:03:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:03:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:03:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:03:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:03:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:03:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:03:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:03:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:03:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:03:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:03:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:03:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:03:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:03:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:03:01,469 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:03:01,806 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:03:02,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:03:02,214 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:03:02,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:03:02 BoogieIcfgContainer [2021-08-27 06:03:02,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:03:02,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:03:02,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:03:02,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:03:02,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:03:00" (1/3) ... [2021-08-27 06:03:02,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4ae098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:03:02, skipping insertion in model container [2021-08-27 06:03:02,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:03:00" (2/3) ... [2021-08-27 06:03:02,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4ae098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:03:02, skipping insertion in model container [2021-08-27 06:03:02,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:03:02" (3/3) ... [2021-08-27 06:03:02,225 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test10-1.i [2021-08-27 06:03:02,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:03:02,230 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 113 error locations. [2021-08-27 06:03:02,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:03:02,277 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 [2021-08-27 06:03:02,278 INFO L340 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2021-08-27 06:03:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 129 states have internal predecessors, (138), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-08-27 06:03:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-27 06:03:02,315 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:02,315 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:02,316 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:03:02,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:02,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2162883, now seen corresponding path program 1 times [2021-08-27 06:03:02,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:02,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572506682] [2021-08-27 06:03:02,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:02,330 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:02,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:02,333 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) [2021-08-27 06:03:02,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:03:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:02,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:03:02,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:02,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:02,847 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:02,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572506682] [2021-08-27 06:03:02,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572506682] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:03:02,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:03:02,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 06:03:02,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792952178] [2021-08-27 06:03:02,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:03:02,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:02,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:03:02,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:03:02,866 INFO L87 Difference]: Start difference. First operand has 156 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 129 states have internal predecessors, (138), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:03:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:03:03,048 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2021-08-27 06:03:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:03:03,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-08-27 06:03:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:03:03,058 INFO L225 Difference]: With dead ends: 143 [2021-08-27 06:03:03,058 INFO L226 Difference]: Without dead ends: 140 [2021-08-27 06:03:03,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:03:03,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-08-27 06:03:03,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 87. [2021-08-27 06:03:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 40 states have (on average 1.925) internal successors, (77), 73 states have internal predecessors, (77), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (11), 8 states have call predecessors, (11), 7 states have call successors, (11) [2021-08-27 06:03:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 96 transitions. [2021-08-27 06:03:03,093 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 96 transitions. Word has length 16 [2021-08-27 06:03:03,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:03:03,094 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 96 transitions. [2021-08-27 06:03:03,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:03:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2021-08-27 06:03:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-27 06:03:03,096 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:03,096 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:03,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:03:03,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:03:03,305 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:03:03,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:03,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1744973218, now seen corresponding path program 1 times [2021-08-27 06:03:03,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:03,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134905818] [2021-08-27 06:03:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:03,307 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:03,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:03,308 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) [2021-08-27 06:03:03,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:03:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:03,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:03:03,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:03,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:03,689 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:03,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134905818] [2021-08-27 06:03:03,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2134905818] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:03:03,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:03:03,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 06:03:03,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551832336] [2021-08-27 06:03:03,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 06:03:03,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:03,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 06:03:03,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:03:03,700 INFO L87 Difference]: Start difference. First operand 87 states and 96 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:03:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:03:03,903 INFO L93 Difference]: Finished difference Result 148 states and 164 transitions. [2021-08-27 06:03:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 06:03:03,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-08-27 06:03:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:03:03,905 INFO L225 Difference]: With dead ends: 148 [2021-08-27 06:03:03,905 INFO L226 Difference]: Without dead ends: 145 [2021-08-27 06:03:03,906 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:03:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-08-27 06:03:03,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 83. [2021-08-27 06:03:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 37 states have (on average 1.972972972972973) internal successors, (73), 70 states have internal predecessors, (73), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-08-27 06:03:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2021-08-27 06:03:03,915 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 16 [2021-08-27 06:03:03,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:03:03,916 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2021-08-27 06:03:03,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:03:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2021-08-27 06:03:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-27 06:03:03,919 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:03,919 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:03,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 06:03:04,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:03:04,132 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:03:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:04,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1671219437, now seen corresponding path program 1 times [2021-08-27 06:03:04,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:04,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388652453] [2021-08-27 06:03:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:04,133 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:04,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:04,134 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) [2021-08-27 06:03:04,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 06:03:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:04,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 06:03:04,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:04,371 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 [2021-08-27 06:03:04,486 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 06:03:04,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 19 [2021-08-27 06:03:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:04,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:04,746 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:04,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388652453] [2021-08-27 06:03:04,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388652453] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:03:04,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:03:04,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-27 06:03:04,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901564928] [2021-08-27 06:03:04,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 06:03:04,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:04,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 06:03:04,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-27 06:03:04,748 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:03:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:03:07,685 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2021-08-27 06:03:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 06:03:07,686 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 19 [2021-08-27 06:03:07,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:03:07,688 INFO L225 Difference]: With dead ends: 188 [2021-08-27 06:03:07,689 INFO L226 Difference]: Without dead ends: 188 [2021-08-27 06:03:07,689 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 184.2ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-08-27 06:03:07,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-08-27 06:03:07,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 93. [2021-08-27 06:03:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 48 states have (on average 1.7708333333333333) internal successors, (85), 77 states have internal predecessors, (85), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (13), 9 states have call predecessors, (13), 8 states have call successors, (13) [2021-08-27 06:03:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2021-08-27 06:03:07,698 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 19 [2021-08-27 06:03:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:03:07,699 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2021-08-27 06:03:07,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:03:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2021-08-27 06:03:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-27 06:03:07,699 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:03:07,700 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:03:07,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 06:03:07,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:03:07,905 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:03:07,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:03:07,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1671219436, now seen corresponding path program 1 times [2021-08-27 06:03:07,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:03:07,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772660751] [2021-08-27 06:03:07,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:03:07,906 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:03:07,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:03:07,907 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) [2021-08-27 06:03:07,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-27 06:03:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:03:08,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 06:03:08,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:03:08,183 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 [2021-08-27 06:03:08,190 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 [2021-08-27 06:03:10,465 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-27 06:03:10,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-08-27 06:03:10,476 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 06:03:10,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-08-27 06:03:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:10,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:03:22,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-08-27 06:03:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:03:22,146 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:03:22,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [772660751] [2021-08-27 06:03:22,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [772660751] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:03:22,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:03:22,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-08-27 06:03:22,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67207064] [2021-08-27 06:03:22,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-27 06:03:22,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:03:22,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 06:03:22,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=197, Unknown=5, NotChecked=0, Total=240 [2021-08-27 06:03:22,147 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 12 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 06:04:35,983 WARN L207 SmtUtils]: Spent 14.13 s on a formula simplification that was a NOOP. DAG size: 75 [2021-08-27 06:05:11,338 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv4 32) c_entry_point_~a10~0.offset))) (and (forall ((|v_ldv_malloc_#res.base_28| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_25 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) c_entry_point_~a10~0.offset) (select (store |c_#length| |v_ldv_malloc_#res.base_28| v_ldv_malloc_~size_25) c_entry_point_~a10~0.base))) (bvule c_entry_point_~a10~0.offset (bvadd (_ bv4 32) c_entry_point_~a10~0.offset))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_28|))))))))) (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (bvule c_entry_point_~a10~0.offset .cse0) (bvule .cse0 (select |c_#length| c_entry_point_~a10~0.base)))) is different from false [2021-08-27 06:07:16,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:16,836 INFO L93 Difference]: Finished difference Result 258 states and 285 transitions. [2021-08-27 06:07:16,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-27 06:07:16,837 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 12 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 19 [2021-08-27 06:07:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:16,838 INFO L225 Difference]: With dead ends: 258 [2021-08-27 06:07:16,839 INFO L226 Difference]: Without dead ends: 258 [2021-08-27 06:07:16,839 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 50247.5ms TimeCoverageRelationStatistics Valid=140, Invalid=609, Unknown=11, NotChecked=52, Total=812 [2021-08-27 06:07:16,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-08-27 06:07:16,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 134. [2021-08-27 06:07:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.697674418604651) internal successors, (146), 111 states have internal predecessors, (146), 13 states have call successors, (13), 6 states have call predecessors, (13), 7 states have return successors, (22), 16 states have call predecessors, (22), 12 states have call successors, (22) [2021-08-27 06:07:16,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 181 transitions. [2021-08-27 06:07:16,852 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 181 transitions. Word has length 19 [2021-08-27 06:07:16,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:16,853 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 181 transitions. [2021-08-27 06:07:16,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 12 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 06:07:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 181 transitions. [2021-08-27 06:07:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-27 06:07:16,854 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:16,854 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:16,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:17,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:17,063 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:07:17,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:17,064 INFO L82 PathProgramCache]: Analyzing trace with hash 826796500, now seen corresponding path program 1 times [2021-08-27 06:07:17,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:17,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284629297] [2021-08-27 06:07:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:17,064 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:17,065 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) [2021-08-27 06:07:17,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-27 06:07:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:17,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 06:07:17,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:07:17,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:17,606 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:17,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284629297] [2021-08-27 06:07:17,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284629297] provided 1 perfect and 1 imperfect interpolant sequences [2021-08-27 06:07:17,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 06:07:17,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-08-27 06:07:17,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853851605] [2021-08-27 06:07:17,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:07:17,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:07:17,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:07:17,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:07:17,608 INFO L87 Difference]: Start difference. First operand 134 states and 181 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:07:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:17,690 INFO L93 Difference]: Finished difference Result 99 states and 118 transitions. [2021-08-27 06:07:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:07:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2021-08-27 06:07:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:17,692 INFO L225 Difference]: With dead ends: 99 [2021-08-27 06:07:17,692 INFO L226 Difference]: Without dead ends: 95 [2021-08-27 06:07:17,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:07:17,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-08-27 06:07:17,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-08-27 06:07:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 57 states have (on average 1.6666666666666667) internal successors, (95), 79 states have internal predecessors, (95), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (11), 9 states have call predecessors, (11), 7 states have call successors, (11) [2021-08-27 06:07:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 114 transitions. [2021-08-27 06:07:17,698 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 114 transitions. Word has length 19 [2021-08-27 06:07:17,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:17,698 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 114 transitions. [2021-08-27 06:07:17,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:07:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2021-08-27 06:07:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-27 06:07:17,699 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:17,699 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:17,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:17,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:17,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:07:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:17,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1188547394, now seen corresponding path program 1 times [2021-08-27 06:07:17,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:17,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984793901] [2021-08-27 06:07:17,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:17,909 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:17,910 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:07:17,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-27 06:07:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:18,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 06:07:18,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:18,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2021-08-27 06:07:18,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-08-27 06:07:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:18,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:18,422 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:18,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984793901] [2021-08-27 06:07:18,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984793901] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:07:18,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:07:18,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-08-27 06:07:18,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939817321] [2021-08-27 06:07:18,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 06:07:18,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:07:18,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 06:07:18,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-27 06:07:18,425 INFO L87 Difference]: Start difference. First operand 95 states and 114 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:07:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:18,647 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2021-08-27 06:07:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 06:07:18,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-08-27 06:07:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:18,648 INFO L225 Difference]: With dead ends: 104 [2021-08-27 06:07:18,648 INFO L226 Difference]: Without dead ends: 104 [2021-08-27 06:07:18,648 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 82.9ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-27 06:07:18,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-08-27 06:07:18,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2021-08-27 06:07:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 61 states have (on average 1.6229508196721312) internal successors, (99), 82 states have internal predecessors, (99), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (11), 10 states have call predecessors, (11), 7 states have call successors, (11) [2021-08-27 06:07:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2021-08-27 06:07:18,656 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 24 [2021-08-27 06:07:18,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:18,656 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2021-08-27 06:07:18,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:07:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2021-08-27 06:07:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-27 06:07:18,657 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:18,657 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:18,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:18,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:18,863 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:07:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:18,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1298965439, now seen corresponding path program 1 times [2021-08-27 06:07:18,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:18,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933772937] [2021-08-27 06:07:18,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:18,864 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:18,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:07:18,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-27 06:07:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:19,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:07:19,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:07:19,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:19,841 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:19,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933772937] [2021-08-27 06:07:19,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933772937] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:07:19,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:07:19,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-08-27 06:07:19,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180166700] [2021-08-27 06:07:19,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 06:07:19,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:07:19,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 06:07:19,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:07:19,843 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:07:20,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:20,368 INFO L93 Difference]: Finished difference Result 98 states and 116 transitions. [2021-08-27 06:07:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 06:07:20,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2021-08-27 06:07:20,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:20,370 INFO L225 Difference]: With dead ends: 98 [2021-08-27 06:07:20,370 INFO L226 Difference]: Without dead ends: 98 [2021-08-27 06:07:20,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 284.9ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-27 06:07:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-08-27 06:07:20,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-08-27 06:07:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 81 states have internal predecessors, (97), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (11), 10 states have call predecessors, (11), 7 states have call successors, (11) [2021-08-27 06:07:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2021-08-27 06:07:20,374 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 24 [2021-08-27 06:07:20,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:20,374 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2021-08-27 06:07:20,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:07:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2021-08-27 06:07:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-27 06:07:20,375 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:20,375 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:20,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:20,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:20,586 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting entry_pointErr6REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:07:20,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:20,587 INFO L82 PathProgramCache]: Analyzing trace with hash 88403612, now seen corresponding path program 1 times [2021-08-27 06:07:20,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:20,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134515350] [2021-08-27 06:07:20,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:20,587 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:20,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:20,588 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:07:20,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-08-27 06:07:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:20,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 06:07:20,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:20,892 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 [2021-08-27 06:07:20,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 15 [2021-08-27 06:07:20,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-08-27 06:07:21,124 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 06:07:21,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 19 [2021-08-27 06:07:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:21,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:21,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:21,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134515350] [2021-08-27 06:07:21,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134515350] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:07:21,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:07:21,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-08-27 06:07:21,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824013279] [2021-08-27 06:07:21,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 06:07:21,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:07:21,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 06:07:21,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-27 06:07:21,527 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 06:07:23,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:23,371 INFO L93 Difference]: Finished difference Result 141 states and 162 transitions. [2021-08-27 06:07:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-27 06:07:23,371 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 29 [2021-08-27 06:07:23,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:23,372 INFO L225 Difference]: With dead ends: 141 [2021-08-27 06:07:23,372 INFO L226 Difference]: Without dead ends: 141 [2021-08-27 06:07:23,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 582.1ms TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-08-27 06:07:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-08-27 06:07:23,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 101. [2021-08-27 06:07:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 83 states have internal predecessors, (100), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (13), 11 states have call predecessors, (13), 8 states have call successors, (13) [2021-08-27 06:07:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2021-08-27 06:07:23,377 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 29 [2021-08-27 06:07:23,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:23,377 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2021-08-27 06:07:23,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 06:07:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2021-08-27 06:07:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-27 06:07:23,379 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:23,379 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:23,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:23,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:23,588 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting entry_pointErr7REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:07:23,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:23,588 INFO L82 PathProgramCache]: Analyzing trace with hash 88403613, now seen corresponding path program 1 times [2021-08-27 06:07:23,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:23,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884937999] [2021-08-27 06:07:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:23,589 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:23,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:23,590 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:07:23,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-08-27 06:07:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:23,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-27 06:07:23,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:23,982 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 [2021-08-27 06:07:23,995 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 [2021-08-27 06:07:24,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-08-27 06:07:24,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 22 [2021-08-27 06:07:24,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-08-27 06:07:24,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2021-08-27 06:07:26,575 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-27 06:07:26,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2021-08-27 06:07:26,597 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 06:07:26,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-08-27 06:07:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 06:07:26,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:35,695 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_ldv_malloc_#res.base_68| (_ BitVec 32))) (and (or (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|))) (exists ((v_ldv_malloc_~size_61 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_68| v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_68|))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|) (select (store |c_#length| |v_ldv_malloc_#res.base_69| ldv_malloc_~size) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_69|)))))))) is different from true [2021-08-27 06:07:37,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-08-27 06:07:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2021-08-27 06:07:38,018 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:38,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884937999] [2021-08-27 06:07:38,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884937999] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:07:38,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:07:38,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-08-27 06:07:38,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88323592] [2021-08-27 06:07:38,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-27 06:07:38,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:07:38,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-27 06:07:38,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=4, NotChecked=30, Total=306 [2021-08-27 06:07:38,020 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 18 states, 15 states have (on average 2.066666666666667) internal successors, (31), 14 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-08-27 06:08:23,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:08:23,528 INFO L93 Difference]: Finished difference Result 142 states and 162 transitions. [2021-08-27 06:08:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-27 06:08:23,530 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 2.066666666666667) internal successors, (31), 14 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 29 [2021-08-27 06:08:23,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:08:23,531 INFO L225 Difference]: With dead ends: 142 [2021-08-27 06:08:23,531 INFO L226 Difference]: Without dead ends: 142 [2021-08-27 06:08:23,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 20786.1ms TimeCoverageRelationStatistics Valid=86, Invalid=464, Unknown=6, NotChecked=44, Total=600 [2021-08-27 06:08:23,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-08-27 06:08:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 101. [2021-08-27 06:08:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 63 states have (on average 1.5714285714285714) internal successors, (99), 83 states have internal predecessors, (99), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (13), 11 states have call predecessors, (13), 8 states have call successors, (13) [2021-08-27 06:08:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 121 transitions. [2021-08-27 06:08:23,536 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 121 transitions. Word has length 29 [2021-08-27 06:08:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:08:23,537 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 121 transitions. [2021-08-27 06:08:23,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 2.066666666666667) internal successors, (31), 14 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-08-27 06:08:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 121 transitions. [2021-08-27 06:08:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-27 06:08:23,538 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:08:23,538 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:08:23,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:23,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:08:23,748 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-08-27 06:08:23,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:08:23,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1144478410, now seen corresponding path program 1 times [2021-08-27 06:08:23,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:08:23,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296354898] [2021-08-27 06:08:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:23,749 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:08:23,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:08:23,750 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:08:23,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-08-27 06:08:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:24,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-27 06:08:24,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:24,143 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:08:24,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-08-27 06:08:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:28,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:33,199 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:08:33,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296354898] [2021-08-27 06:08:33,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:08:33,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [680572233] [2021-08-27 06:08:33,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:33,200 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 06:08:33,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 06:08:33,201 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 06:08:33,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-08-27 06:08:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:33,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 06:08:33,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:33,704 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:08:33,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-08-27 06:08:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:36,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:40,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:08:40,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376209506] [2021-08-27 06:08:40,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:08:40,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 06:08:40,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:08:40,627 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 06:08:40,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-27 06:08:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:08:41,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 06:08:41,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:08:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:08:41,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:08:45,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:08:45,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:08:45,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-27 06:08:45,719 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-27 06:08:45,719 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-27 06:08:45,722 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:08:45,723 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,725 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err0REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err1REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err2REQUIRES_VIOLATION [2021-08-27 06:08:45,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err3REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err4REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err5REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,727 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,729 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err0REQUIRES_VIOLATION [2021-08-27 06:08:45,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err1REQUIRES_VIOLATION [2021-08-27 06:08:45,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err2REQUIRES_VIOLATION [2021-08-27 06:08:45,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err3REQUIRES_VIOLATION [2021-08-27 06:08:45,730 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err4REQUIRES_VIOLATION [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err5REQUIRES_VIOLATION [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err8ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-08-27 06:08:45,731 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr13REQUIRES_VIOLATION [2021-08-27 06:08:45,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr14REQUIRES_VIOLATION [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr15REQUIRES_VIOLATION [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr19REQUIRES_VIOLATION [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr20REQUIRES_VIOLATION [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:08:45,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-08-27 06:08:45,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:46,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-08-27 06:08:46,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-27 06:08:46,339 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:08:46,341 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:08:46,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:08:46 BoogieIcfgContainer [2021-08-27 06:08:46,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:08:46,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:08:46,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:08:46,349 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:08:46,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:03:02" (3/4) ... [2021-08-27 06:08:46,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:08:46,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:08:46,353 INFO L168 Benchmark]: Toolchain (without parser) took 346289.22 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 33.0 MB in the beginning and 35.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 87.0 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:46,353 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:08:46,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.15 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 47.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:46,354 INFO L168 Benchmark]: Boogie Preprocessor took 92.12 ms. Allocated memory is still 69.2 MB. Free memory was 47.8 MB in the beginning and 42.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:46,354 INFO L168 Benchmark]: RCFGBuilder took 1538.65 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.7 MB in the beginning and 37.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:46,354 INFO L168 Benchmark]: TraceAbstraction took 344129.16 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 37.0 MB in the beginning and 36.2 MB in the end (delta: 857.4 kB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. [2021-08-27 06:08:46,355 INFO L168 Benchmark]: Witness Printer took 3.38 ms. Allocated memory is still 146.8 MB. Free memory is still 35.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:08:46,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.15 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 47.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.12 ms. Allocated memory is still 69.2 MB. Free memory was 47.8 MB in the beginning and 42.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1538.65 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.7 MB in the beginning and 37.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 344129.16 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 37.0 MB in the beginning and 36.2 MB in the end (delta: 857.4 kB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.38 ms. Allocated memory is still 146.8 MB. Free memory is still 35.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 786]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 786. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L787] CALL entry_point() [L773] CALL, EXPR ldv_malloc(sizeof(struct A10)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L773] RET, EXPR ldv_malloc(sizeof(struct A10)) [L773] struct A10 *a10 = (struct A10 *)ldv_malloc(sizeof(struct A10)); [L774] COND FALSE !(!a10) [L775] CALL, EXPR ldv_malloc(sizeof(struct B10)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L775] RET, EXPR ldv_malloc(sizeof(struct B10)) [L775] a10->b = (struct B10 *)ldv_malloc(sizeof(struct B10)) [L776] EXPR a10->b [L776] COND TRUE !a10->b [L784] free(a10) [L784] free(a10) [L784] free(a10) [L787] RET entry_point() - 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: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: 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: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that free always succeeds Unable to prove that free 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: 775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: 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, 414 locations, 113 error locations. Started 1 CEGAR loops. OverallTime: 344067.9ms, OverallIterations: 10, TraceHistogramMax: 3, EmptinessCheckTime: 33.2ms, AutomataDifference: 286242.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 751 SDtfs, 1051 SDslu, 2509 SDs, 0 SdLazy, 3185 SolverSat, 278 SolverUnsat, 103 SolverUnknown, 0 SolverNotchecked, 232852.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 314 SyntacticMatches, 10 SemanticMatches, 99 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 72245.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 81.4ms AutomataMinimizationTime, 9 MinimizatonAttempts, 420 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 97.5ms SsaConstructionTime, 212.0ms SatisfiabilityAnalysisTime, 31016.9ms InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 372 ConstructedInterpolants, 41 QuantifiedInterpolants, 2335 SizeOfPredicates, 28 NumberOfNonLiveVariables, 889 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 62/88 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 [2021-08-27 06:08:46,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...