./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD --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 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD --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 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:45:06,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:45:06,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:45:06,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:45:06,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:45:06,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:45:06,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:45:06,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:45:06,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:45:06,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:45:06,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:45:06,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:45:06,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:45:06,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:45:06,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:45:06,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:45:06,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:45:06,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:45:06,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:45:06,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:45:06,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:45:06,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:45:06,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:45:06,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:45:06,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:45:06,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:45:06,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:45:06,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:45:06,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:45:06,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:45:06,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:45:06,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:45:06,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:45:06,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:45:06,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:45:06,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:45:06,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:45:06,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:45:06,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:45:06,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:45:06,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:45:06,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:45:06,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:45:06,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:45:06,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:45:06,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:45:06,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:45:06,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:45:06,703 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:45:06,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:45:06,704 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:45:06,704 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:45:06,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:45:06,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:45:06,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:45:06,705 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:45:06,705 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:45:06,705 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:45:06,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:45:06,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:45:06,706 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:45:06,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:45:06,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:45:06,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:45:06,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:45:06,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:45:06,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:45:06,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:45:06,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:45:06,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:45:06,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:45:06,708 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 [2021-10-28 23:45:06,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:45:07,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:45:07,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:45:07,005 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:45:07,007 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:45:07,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-10-28 23:45:07,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/de0178670/fbfa710539c542f3bd930a1bbfff87a7/FLAG4a7536f72 [2021-10-28 23:45:07,664 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:45:07,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-10-28 23:45:07,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/de0178670/fbfa710539c542f3bd930a1bbfff87a7/FLAG4a7536f72 [2021-10-28 23:45:07,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/de0178670/fbfa710539c542f3bd930a1bbfff87a7 [2021-10-28 23:45:07,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:45:07,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:45:07,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:45:07,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:45:07,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:45:07,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:45:07" (1/1) ... [2021-10-28 23:45:07,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5defe01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:07, skipping insertion in model container [2021-10-28 23:45:07,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:45:07" (1/1) ... [2021-10-28 23:45:07,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:45:07,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:45:08,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:45:08,457 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) [2021-10-28 23:45:08,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1def1a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:08, skipping insertion in model container [2021-10-28 23:45:08,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:45:08,459 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:45:08,462 INFO L168 Benchmark]: Toolchain (without parser) took 533.22 ms. Allocated memory is still 94.4 MB. Free memory was 57.1 MB in the beginning and 65.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:45:08,463 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:45:08,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.92 ms. Allocated memory is still 94.4 MB. Free memory was 57.1 MB in the beginning and 65.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:45:08,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.92 ms. Allocated memory is still 94.4 MB. Free memory was 57.1 MB in the beginning and 65.7 MB in the end (delta: -8.7 MB). 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-b2eff8b [2021-10-28 23:45:10,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:45:10,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:45:10,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:45:10,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:45:10,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:45:10,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:45:10,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:45:10,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:45:10,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:45:10,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:45:10,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:45:10,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:45:10,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:45:10,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:45:10,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:45:10,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:45:10,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:45:10,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:45:10,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:45:10,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:45:10,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:45:10,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:45:10,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:45:10,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:45:10,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:45:10,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:45:10,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:45:10,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:45:10,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:45:10,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:45:10,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:45:10,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:45:10,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:45:10,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:45:10,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:45:10,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:45:10,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:45:10,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:45:10,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:45:10,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:45:10,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:45:10,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:45:10,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:45:10,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:45:10,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:45:10,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:45:10,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:45:10,880 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:45:10,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:45:10,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:45:10,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:45:10,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:45:10,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:45:10,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:45:10,883 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:45:10,883 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:45:10,884 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:45:10,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:45:10,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:45:10,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:45:10,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:45:10,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:45:10,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:45:10,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:45:10,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:45:10,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:45:10,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:45:10,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:45:10,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:45:10,887 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:45:10,887 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:45:10,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:45:10,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:45:10,888 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fd80c822f4c545ea9a48882a667e8fa2630e37e10bf15ea7aea35e48f16af74 [2021-10-28 23:45:11,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:45:11,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:45:11,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:45:11,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:45:11,307 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:45:11,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-10-28 23:45:11,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/7c7a59517/01c9c6b8d44a4081b7a9e75d1c4e6b3d/FLAG3b820cafe [2021-10-28 23:45:12,032 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:45:12,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2021-10-28 23:45:12,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/7c7a59517/01c9c6b8d44a4081b7a9e75d1c4e6b3d/FLAG3b820cafe [2021-10-28 23:45:12,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/data/7c7a59517/01c9c6b8d44a4081b7a9e75d1c4e6b3d [2021-10-28 23:45:12,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:45:12,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:45:12,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:45:12,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:45:12,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:45:12,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:45:12" (1/1) ... [2021-10-28 23:45:12,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9672ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:12, skipping insertion in model container [2021-10-28 23:45:12,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:45:12" (1/1) ... [2021-10-28 23:45:12,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:45:12,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:45:12,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:45:12,884 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:45:12,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:45:12,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:45:13,013 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:45:13,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:45:13,106 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:45:13,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13 WrapperNode [2021-10-28 23:45:13,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:45:13,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:45:13,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:45:13,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:45:13,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:45:13,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:45:13,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:45:13,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:45:13,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (1/1) ... [2021-10-28 23:45:13,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:45:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:45:13,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:45:13,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:45:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:45:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:45:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:45:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:45:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:45:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:45:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:45:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:45:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:45:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:45:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:45:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:45:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:45:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:45:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:45:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:45:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:45:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:45:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:45:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:45:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:45:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:45:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:45:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:45:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:45:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:45:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:45:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:45:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:45:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:45:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:45:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:45:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:45:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:45:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:45:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:45:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:45:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:45:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:45:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:45:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:45:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:45:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2021-10-28 23:45:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2021-10-28 23:45:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:45:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:45:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:45:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:45:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:45:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:45:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:45:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:45:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:45:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:45:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:45:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:45:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:45:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:45:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:45:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:45:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:45:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:45:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:45:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:45:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:45:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:45:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:45:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:45:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:45:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:45:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:45:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:45:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:45:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:45:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:45:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:45:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:45:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:45:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:45:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:45:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:45:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:45:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:45:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:45:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:45:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:45:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:45:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:45:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:45:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:45:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:45:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:45:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:45:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:45:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:45:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:45:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:45:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:45:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:45:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:45:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:45:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:45:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:45:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:45:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:45:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:45:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:45:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:45:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:45:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:45:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:45:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:45:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:45:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:45:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:45:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:45:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:45:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:45:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:45:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:45:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:45:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:45:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:45:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:45:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:45:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:45:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:45:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:45:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:45:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:45:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:45:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:45:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:45:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:45:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:45:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:45:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:45:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:45:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:45:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:45:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:45:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:45:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:45:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:45:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:45:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:45:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:45:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:45:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:45:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:45:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:45:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:45:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:45:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:45:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:45:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:45:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:45:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:45:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:45:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:45:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:45:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:45:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:45:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:45:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:45:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:45:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:45:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:45:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:45:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:45:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:45:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:45:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:45:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:45:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:45:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:45:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:45:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:45:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:45:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:45:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:45:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:45:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:45:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:45:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:45:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:45:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:45:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:45:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:45:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:45:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:45:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:45:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:45:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:45:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:45:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:45:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:45:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:45:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:45:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:45:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:45:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:45:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:45:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2021-10-28 23:45:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2021-10-28 23:45:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:45:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:45:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:45:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:45:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:45:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:45:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:45:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:45:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:45:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:45:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:45:13,937 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:45:14,388 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:45:14,948 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:45:14,948 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:45:14,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:45:14 BoogieIcfgContainer [2021-10-28 23:45:14,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:45:14,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:45:14,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:45:14,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:45:14,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:45:12" (1/3) ... [2021-10-28 23:45:14,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a883b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:45:14, skipping insertion in model container [2021-10-28 23:45:14,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:45:13" (2/3) ... [2021-10-28 23:45:14,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a883b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:45:14, skipping insertion in model container [2021-10-28 23:45:14,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:45:14" (3/3) ... [2021-10-28 23:45:14,969 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2021-10-28 23:45:14,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:45:14,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 113 error locations. [2021-10-28 23:45:15,038 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:45:15,046 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, mAutomataTypeConcurrency=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 [2021-10-28 23:45:15,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2021-10-28 23:45:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 86 states have (on average 1.802325581395349) internal successors, (155), 146 states have internal predecessors, (155), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-10-28 23:45:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:45:15,085 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:45:15,086 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:45:15,086 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)] === [2021-10-28 23:45:15,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:45:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2021-10-28 23:45:15,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:45:15,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384558791] [2021-10-28 23:45:15,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:45:15,105 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:45:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:45:15,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:45:15,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:45:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:45:15,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:45:15,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:45:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:15,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:45:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:15,575 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:45:15,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384558791] [2021-10-28 23:45:15,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384558791] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:45:15,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:45:15,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 23:45:15,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145034673] [2021-10-28 23:45:15,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:45:15,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:45:15,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:45:15,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:45:15,615 INFO L87 Difference]: Start difference. First operand has 175 states, 86 states have (on average 1.802325581395349) internal successors, (155), 146 states have internal predecessors, (155), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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) [2021-10-28 23:45:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:45:15,881 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2021-10-28 23:45:15,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:45:15,884 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 [2021-10-28 23:45:15,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:45:15,899 INFO L225 Difference]: With dead ends: 163 [2021-10-28 23:45:15,899 INFO L226 Difference]: Without dead ends: 160 [2021-10-28 23:45:15,900 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:45:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-28 23:45:15,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2021-10-28 23:45:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 48 states have (on average 1.9583333333333333) internal successors, (94), 90 states have internal predecessors, (94), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2021-10-28 23:45:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2021-10-28 23:45:15,980 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2021-10-28 23:45:15,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:45:15,980 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2021-10-28 23:45:15,980 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) [2021-10-28 23:45:15,983 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2021-10-28 23:45:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:45:15,984 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:45:15,985 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:45:15,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:45:16,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:45:16,199 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)] === [2021-10-28 23:45:16,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:45:16,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2021-10-28 23:45:16,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:45:16,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544149975] [2021-10-28 23:45:16,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:45:16,207 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:45:16,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:45:16,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:45:16,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:45:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:45:16,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:45:16,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:45:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:16,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:45:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:16,571 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:45:16,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544149975] [2021-10-28 23:45:16,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544149975] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:45:16,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:45:16,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:45:16,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18938607] [2021-10-28 23:45:16,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:45:16,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:45:16,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:45:16,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:45:16,581 INFO L87 Difference]: Start difference. First operand 106 states and 115 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) [2021-10-28 23:45:16,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:45:16,812 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2021-10-28 23:45:16,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:45:16,813 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 [2021-10-28 23:45:16,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:45:16,815 INFO L225 Difference]: With dead ends: 156 [2021-10-28 23:45:16,815 INFO L226 Difference]: Without dead ends: 153 [2021-10-28 23:45:16,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:45:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-28 23:45:16,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2021-10-28 23:45:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 45 states have (on average 2.0) internal successors, (90), 87 states have internal predecessors, (90), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-10-28 23:45:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2021-10-28 23:45:16,830 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2021-10-28 23:45:16,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:45:16,830 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2021-10-28 23:45:16,831 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) [2021-10-28 23:45:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2021-10-28 23:45:16,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:45:16,832 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:45:16,832 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:45:16,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:45:17,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:45:17,043 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)] === [2021-10-28 23:45:17,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:45:17,044 INFO L85 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2021-10-28 23:45:17,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:45:17,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817133596] [2021-10-28 23:45:17,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:45:17,046 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:45:17,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:45:17,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:45:17,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:45:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:45:17,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:45:17,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:45:17,332 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 [2021-10-28 23:45:17,480 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 23:45:17,481 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 [2021-10-28 23:45:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:17,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:45:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:17,787 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:45:17,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817133596] [2021-10-28 23:45:17,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817133596] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:45:17,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:45:17,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 23:45:17,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021136229] [2021-10-28 23:45:17,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:45:17,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:45:17,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:45:17,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:45:17,800 INFO L87 Difference]: Start difference. First operand 102 states and 107 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) [2021-10-28 23:45:21,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:45:21,152 INFO L93 Difference]: Finished difference Result 198 states and 222 transitions. [2021-10-28 23:45:21,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:45:21,153 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 [2021-10-28 23:45:21,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:45:21,156 INFO L225 Difference]: With dead ends: 198 [2021-10-28 23:45:21,156 INFO L226 Difference]: Without dead ends: 198 [2021-10-28 23:45:21,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:45:21,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-28 23:45:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 113. [2021-10-28 23:45:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 56 states have (on average 1.8392857142857142) internal successors, (103), 95 states have internal predecessors, (103), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (14), 10 states have call predecessors, (14), 9 states have call successors, (14) [2021-10-28 23:45:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2021-10-28 23:45:21,169 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 19 [2021-10-28 23:45:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:45:21,169 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2021-10-28 23:45:21,169 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) [2021-10-28 23:45:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2021-10-28 23:45:21,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:45:21,170 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:45:21,174 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:45:21,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:45:21,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:45:21,383 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)] === [2021-10-28 23:45:21,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:45:21,384 INFO L85 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2021-10-28 23:45:21,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:45:21,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542524252] [2021-10-28 23:45:21,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:45:21,384 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:45:21,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:45:21,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:45:21,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:45:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:45:21,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:45:21,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:45:21,631 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 [2021-10-28 23:45:21,639 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 [2021-10-28 23:45:23,948 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 23:45:23,948 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 [2021-10-28 23:45:23,965 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 23:45:23,965 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 [2021-10-28 23:45:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:24,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:45:35,228 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 [2021-10-28 23:45:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:45:35,349 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:45:35,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542524252] [2021-10-28 23:45:35,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542524252] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:45:35,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:45:35,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-28 23:45:35,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126726100] [2021-10-28 23:45:35,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 23:45:35,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:45:35,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 23:45:35,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=198, Unknown=4, NotChecked=0, Total=240 [2021-10-28 23:45:35,352 INFO L87 Difference]: Start difference. First operand 113 states and 127 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) [2021-10-28 23:46:37,812 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 [2021-10-28 23:48:56,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:56,768 INFO L93 Difference]: Finished difference Result 274 states and 305 transitions. [2021-10-28 23:48:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 23:48:56,770 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 [2021-10-28 23:48:56,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:56,773 INFO L225 Difference]: With dead ends: 274 [2021-10-28 23:48:56,773 INFO L226 Difference]: Without dead ends: 274 [2021-10-28 23:48:56,774 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 29.5s TimeCoverageRelationStatistics Valid=111, Invalid=534, Unknown=9, NotChecked=48, Total=702 [2021-10-28 23:48:56,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-10-28 23:48:56,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 156. [2021-10-28 23:48:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 94 states have (on average 1.7659574468085106) internal successors, (166), 129 states have internal predecessors, (166), 16 states have call successors, (16), 7 states have call predecessors, (16), 8 states have return successors, (25), 19 states have call predecessors, (25), 15 states have call successors, (25) [2021-10-28 23:48:56,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2021-10-28 23:48:56,791 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 19 [2021-10-28 23:48:56,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:56,791 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2021-10-28 23:48:56,792 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) [2021-10-28 23:48:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2021-10-28 23:48:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:48:56,793 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:56,793 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:56,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:57,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:48:57,006 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)] === [2021-10-28 23:48:57,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:57,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2021-10-28 23:48:57,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:48:57,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566731991] [2021-10-28 23:48:57,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:57,007 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:48:57,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:48:57,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:48:57,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:48:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:57,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:48:57,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:48:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:48:57,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:48:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:48:57,506 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:48:57,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566731991] [2021-10-28 23:48:57,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566731991] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-28 23:48:57,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:48:57,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-28 23:48:57,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684421023] [2021-10-28 23:48:57,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:48:57,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:48:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:48:57,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:48:57,508 INFO L87 Difference]: Start difference. First operand 156 states and 207 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) [2021-10-28 23:48:57,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:57,589 INFO L93 Difference]: Finished difference Result 107 states and 117 transitions. [2021-10-28 23:48:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:48:57,590 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 [2021-10-28 23:48:57,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:57,591 INFO L225 Difference]: With dead ends: 107 [2021-10-28 23:48:57,591 INFO L226 Difference]: Without dead ends: 103 [2021-10-28 23:48:57,591 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:48:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-28 23:48:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2021-10-28 23:48:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 52 states have (on average 1.6730769230769231) internal successors, (87), 83 states have internal predecessors, (87), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2021-10-28 23:48:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2021-10-28 23:48:57,597 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 19 [2021-10-28 23:48:57,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:57,597 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2021-10-28 23:48:57,597 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) [2021-10-28 23:48:57,598 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2021-10-28 23:48:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:48:57,598 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:57,599 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:57,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:57,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:48:57,803 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)] === [2021-10-28 23:48:57,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:57,803 INFO L85 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2021-10-28 23:48:57,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:48:57,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724291590] [2021-10-28 23:48:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:57,806 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:48:57,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:48:57,807 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:48:57,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 23:48:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:58,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:48:58,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:48:58,097 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 [2021-10-28 23:48:58,129 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 [2021-10-28 23:48:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:48:58,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:48:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:48:58,289 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:48:58,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724291590] [2021-10-28 23:48:58,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724291590] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:58,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:58,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-28 23:48:58,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579537979] [2021-10-28 23:48:58,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:48:58,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:48:58,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:48:58,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:48:58,291 INFO L87 Difference]: Start difference. First operand 99 states and 107 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) [2021-10-28 23:48:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:58,530 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2021-10-28 23:48:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:48:58,531 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 [2021-10-28 23:48:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:58,532 INFO L225 Difference]: With dead ends: 108 [2021-10-28 23:48:58,532 INFO L226 Difference]: Without dead ends: 108 [2021-10-28 23:48:58,533 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:48:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-10-28 23:48:58,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2021-10-28 23:48:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.625) internal successors, (91), 86 states have internal predecessors, (91), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2021-10-28 23:48:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 111 transitions. [2021-10-28 23:48:58,539 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 111 transitions. Word has length 24 [2021-10-28 23:48:58,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:48:58,540 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 111 transitions. [2021-10-28 23:48:58,540 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) [2021-10-28 23:48:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2021-10-28 23:48:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:48:58,541 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:58,541 INFO L513 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] [2021-10-28 23:48:58,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:58,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:48:58,753 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)] === [2021-10-28 23:48:58,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:58,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1543942045, now seen corresponding path program 1 times [2021-10-28 23:48:58,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:48:58,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599622141] [2021-10-28 23:48:58,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:58,754 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:48:58,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:48:58,755 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:48:58,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 23:48:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:58,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:48:58,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:48:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:48:59,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:48:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:48:59,621 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:48:59,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599622141] [2021-10-28 23:48:59,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599622141] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:48:59,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:48:59,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-28 23:48:59,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444831138] [2021-10-28 23:48:59,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:48:59,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:48:59,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:48:59,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:48:59,624 INFO L87 Difference]: Start difference. First operand 103 states and 111 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) [2021-10-28 23:49:00,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:00,195 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2021-10-28 23:49:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:49:00,196 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 [2021-10-28 23:49:00,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:00,198 INFO L225 Difference]: With dead ends: 102 [2021-10-28 23:49:00,198 INFO L226 Difference]: Without dead ends: 102 [2021-10-28 23:49:00,198 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:49:00,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-10-28 23:49:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-10-28 23:49:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 56 states have (on average 1.5892857142857142) internal successors, (89), 85 states have internal predecessors, (89), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2021-10-28 23:49:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2021-10-28 23:49:00,204 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 24 [2021-10-28 23:49:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:00,205 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2021-10-28 23:49:00,205 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) [2021-10-28 23:49:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2021-10-28 23:49:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 23:49:00,207 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:00,207 INFO L513 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] [2021-10-28 23:49:00,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:00,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:49:00,408 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)] === [2021-10-28 23:49:00,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2021-10-28 23:49:00,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:49:00,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341733363] [2021-10-28 23:49:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:00,409 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:49:00,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:49:00,410 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:49:00,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 23:49:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:00,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:49:00,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:00,676 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 [2021-10-28 23:49:00,737 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 [2021-10-28 23:49:00,786 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 [2021-10-28 23:49:00,959 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 23:49:00,960 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 [2021-10-28 23:49:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:49:00,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:49:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:49:01,438 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:49:01,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341733363] [2021-10-28 23:49:01,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341733363] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:49:01,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:49:01,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-10-28 23:49:01,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242278152] [2021-10-28 23:49:01,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:49:01,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:49:01,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:49:01,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:49:01,442 INFO L87 Difference]: Start difference. First operand 102 states and 109 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) [2021-10-28 23:49:03,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:03,439 INFO L93 Difference]: Finished difference Result 144 states and 157 transitions. [2021-10-28 23:49:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:49:03,447 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 [2021-10-28 23:49:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:03,448 INFO L225 Difference]: With dead ends: 144 [2021-10-28 23:49:03,448 INFO L226 Difference]: Without dead ends: 144 [2021-10-28 23:49:03,449 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-10-28 23:49:03,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-10-28 23:49:03,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-10-28 23:49:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 58 states have (on average 1.5862068965517242) internal successors, (92), 87 states have internal predecessors, (92), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (13), 10 states have call predecessors, (13), 9 states have call successors, (13) [2021-10-28 23:49:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2021-10-28 23:49:03,455 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 29 [2021-10-28 23:49:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:03,456 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2021-10-28 23:49:03,456 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) [2021-10-28 23:49:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2021-10-28 23:49:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 23:49:03,457 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:03,458 INFO L513 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] [2021-10-28 23:49:03,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:03,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:49:03,673 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)] === [2021-10-28 23:49:03,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:03,674 INFO L85 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2021-10-28 23:49:03,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:49:03,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354812670] [2021-10-28 23:49:03,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:03,674 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:49:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:49:03,675 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:49:03,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-28 23:49:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:03,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 23:49:03,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:03,964 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 [2021-10-28 23:49:03,981 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 [2021-10-28 23:49:04,108 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 [2021-10-28 23:49:04,121 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 [2021-10-28 23:49:04,272 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 [2021-10-28 23:49:04,279 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 [2021-10-28 23:49:06,594 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 23:49:06,594 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 [2021-10-28 23:49:06,619 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 23:49:06,619 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 [2021-10-28 23:49:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:49:06,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:49:17,858 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 [2021-10-28 23:49:20,479 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 [2021-10-28 23:49:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2021-10-28 23:49:20,611 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:49:20,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354812670] [2021-10-28 23:49:20,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354812670] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:49:20,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:49:20,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-10-28 23:49:20,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494754371] [2021-10-28 23:49:20,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-28 23:49:20,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:49:20,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 23:49:20,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=229, Unknown=5, NotChecked=30, Total=306 [2021-10-28 23:49:20,613 INFO L87 Difference]: Start difference. First operand 105 states and 115 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) [2021-10-28 23:50:59,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:50:59,132 INFO L93 Difference]: Finished difference Result 152 states and 164 transitions. [2021-10-28 23:50:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 23:50:59,133 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 [2021-10-28 23:50:59,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:50:59,135 INFO L225 Difference]: With dead ends: 152 [2021-10-28 23:50:59,135 INFO L226 Difference]: Without dead ends: 152 [2021-10-28 23:50:59,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=87, Invalid=464, Unknown=5, NotChecked=44, Total=600 [2021-10-28 23:50:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-10-28 23:50:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 105. [2021-10-28 23:50:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 87 states have internal predecessors, (91), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (13), 10 states have call predecessors, (13), 9 states have call successors, (13) [2021-10-28 23:50:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2021-10-28 23:50:59,142 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 29 [2021-10-28 23:50:59,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:50:59,142 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2021-10-28 23:50:59,143 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) [2021-10-28 23:50:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2021-10-28 23:50:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 23:50:59,144 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:50:59,145 INFO L513 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] [2021-10-28 23:50:59,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:50:59,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:50:59,355 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)] === [2021-10-28 23:50:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:50:59,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2021-10-28 23:50:59,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:50:59,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287772183] [2021-10-28 23:50:59,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:59,356 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:50:59,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:50:59,356 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:50:59,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-28 23:50:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:59,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 23:50:59,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:50:59,647 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 23:50:59,648 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 [2021-10-28 23:51:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:51:04,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:16,252 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:51:16,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287772183] [2021-10-28 23:51:16,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~a10~0.base_44 (_ bv0 1)) v_prenex_1)=(= (select v_prenex_1 v_antiDerIndex_entry0_1) (select (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~a10~0.base_44 (_ bv0 1)) v_antiDerIndex_entry0_1))} [2021-10-28 23:51:16,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1019884003] [2021-10-28 23:51:16,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:16,253 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 23:51:16,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/cvc4 [2021-10-28 23:51:16,254 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 23:51:16,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-28 23:51:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:16,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:51:16,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:16,743 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 23:51:16,743 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 24 treesize of output 27 [2021-10-28 23:51:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:51:19,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:32,567 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 23:51:32,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 113 [2021-10-28 23:51:33,431 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:51:33,431 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 31 [2021-10-28 23:51:34,031 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret44.base_55| (_ BitVec 32))) (or (= (store |c_#valid| |v_entry_point_#t~ret44.base_55| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret44.base_55|)))) (exists ((v_entry_point_~a10~0.base_44 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~a10~0.base_44))))))) (not (= (store |c_old(#valid)| v_entry_point_~a10~0.base_44 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))))) is different from false [2021-10-28 23:51:34,356 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 23:51:34,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 119 [2021-10-28 23:51:34,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(not (= (store |old(#valid)| |v_entry_point_#t~ret44.base_55| (_ bv0 1)) v_prenex_9))=(not (= (select v_prenex_9 v_antiDerIndex_entry0_5) (select (store |old(#valid)| |v_entry_point_#t~ret44.base_55| (_ bv0 1)) v_antiDerIndex_entry0_5)))} [2021-10-28 23:51:34,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197890488] [2021-10-28 23:51:34,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:34,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:51:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:34,982 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:51:34,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-28 23:51:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:35,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:51:35,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 23:51:35,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:39,913 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~a10~0.base_44 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~a10~0.base_44 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_19|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~a10~0.base_44))))))))) (= |v_old(#valid)_BEFORE_CALL_19| |c_#valid|))) is different from false [2021-10-28 23:51:40,656 INFO L354 Elim1Store]: treesize reduction 15, result has 79.5 percent of original size [2021-10-28 23:51:40,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 68 treesize of output 116 [2021-10-28 23:51:42,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(not (= (store |old(#valid)| v_entry_point_~a10~0.base_BEFORE_CALL_12 (_ bv0 1)) v_prenex_13))=(not (= (select v_prenex_13 v_antiDerIndex_entry0_7) (select (store |old(#valid)| v_entry_point_~a10~0.base_BEFORE_CALL_12 (_ bv0 1)) v_antiDerIndex_entry0_7)))} [2021-10-28 23:51:42,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:42,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 23:51:42,060 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 23:51:42,060 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 23:51:42,066 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:51:42,067 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,068 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:51:42,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err0REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err1REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err2REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err3REQUIRES_VIOLATION [2021-10-28 23:51:42,071 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err4REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err5REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,072 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,073 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:51:42,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:51:42,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,076 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err0REQUIRES_VIOLATION [2021-10-28 23:51:42,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err1REQUIRES_VIOLATION [2021-10-28 23:51:42,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err2REQUIRES_VIOLATION [2021-10-28 23:51:42,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err3REQUIRES_VIOLATION [2021-10-28 23:51:42,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err4REQUIRES_VIOLATION [2021-10-28 23:51:42,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err5REQUIRES_VIOLATION [2021-10-28 23:51:42,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-28 23:51:42,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-28 23:51:42,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-28 23:51:42,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-28 23:51:42,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4REQUIRES_VIOLATION [2021-10-28 23:51:42,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5REQUIRES_VIOLATION [2021-10-28 23:51:42,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6REQUIRES_VIOLATION [2021-10-28 23:51:42,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7REQUIRES_VIOLATION [2021-10-28 23:51:42,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8REQUIRES_VIOLATION [2021-10-28 23:51:42,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9REQUIRES_VIOLATION [2021-10-28 23:51:42,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10REQUIRES_VIOLATION [2021-10-28 23:51:42,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11REQUIRES_VIOLATION [2021-10-28 23:51:42,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12REQUIRES_VIOLATION [2021-10-28 23:51:42,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr13REQUIRES_VIOLATION [2021-10-28 23:51:42,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr14REQUIRES_VIOLATION [2021-10-28 23:51:42,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr15REQUIRES_VIOLATION [2021-10-28 23:51:42,081 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr19REQUIRES_VIOLATION [2021-10-28 23:51:42,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr20REQUIRES_VIOLATION [2021-10-28 23:51:42,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:51:42,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:42,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:51:42,702 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:42,707 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:51:42,711 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 23:51:42,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:42 BoogieIcfgContainer [2021-10-28 23:51:42,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:51:42,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:51:42,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:51:42,721 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:51:42,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:45:14" (3/4) ... [2021-10-28 23:51:42,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:51:42,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:51:42,726 INFO L168 Benchmark]: Toolchain (without parser) took 390432.47 ms. Allocated memory was 67.1 MB in the beginning and 117.4 MB in the end (delta: 50.3 MB). Free memory was 44.7 MB in the beginning and 62.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,727 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:42,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.89 ms. Allocated memory is still 67.1 MB. Free memory was 44.5 MB in the beginning and 31.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,727 INFO L168 Benchmark]: Boogie Preprocessor took 110.18 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 45.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,728 INFO L168 Benchmark]: RCFGBuilder took 1732.29 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 45.6 MB in the beginning and 64.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,728 INFO L168 Benchmark]: TraceAbstraction took 387767.17 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 63.4 MB in the beginning and 62.8 MB in the end (delta: 569.8 kB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:42,729 INFO L168 Benchmark]: Witness Printer took 4.70 ms. Allocated memory is still 117.4 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:42,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 812.89 ms. Allocated memory is still 67.1 MB. Free memory was 44.5 MB in the beginning and 31.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.18 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 45.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1732.29 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 45.6 MB in the beginning and 64.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 387767.17 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 63.4 MB in the beginning and 62.8 MB in the end (delta: 569.8 kB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.70 ms. Allocated memory is still 117.4 MB. Free memory is still 62.8 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 787]: 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 787. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L788] 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 [L785] free(a10) [L785] free(a10) [L785] free(a10) [L788] 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: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: 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, 415 locations, 113 error locations. Started 1 CEGAR loops. OverallTime: 387.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 306.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 846 SDtfs, 1067 SDslu, 2848 SDs, 0 SdLazy, 3722 SolverSat, 299 SolverUnsat, 124 SolverUnknown, 0 SolverNotchecked, 272.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 313 SyntacticMatches, 10 SemanticMatches, 97 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 53.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 403 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 50.1s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 399 ConstructedInterpolants, 48 QuantifiedInterpolants, 2730 SizeOfPredicates, 30 NumberOfNonLiveVariables, 998 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 64/92 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 [2021-10-28 23:51:42,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d08afe-15ec-41f2-af8b-51632623ac8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...