./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.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_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg --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 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c ................................................................................................................................... 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_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg --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 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:35:41,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:35:41,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:35:41,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:35:41,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:35:41,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:35:41,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:35:41,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:35:41,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:35:41,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:35:41,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:35:41,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:35:41,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:35:41,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:35:41,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:35:41,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:35:41,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:35:41,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:35:41,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:35:41,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:35:41,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:35:41,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:35:41,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:35:41,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:35:41,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:35:41,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:35:41,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:35:41,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:35:41,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:35:41,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:35:41,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:35:41,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:35:41,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:35:41,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:35:41,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:35:41,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:35:41,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:35:41,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:35:41,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:35:41,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:35:41,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:35:41,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:35:41,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:35:41,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:35:41,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:35:41,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:35:41,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:35:41,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:35:41,626 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:35:41,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:35:41,627 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:35:41,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:35:41,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:35:41,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:35:41,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:35:41,629 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:35:41,629 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:35:41,630 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:35:41,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:35:41,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:35:41,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:35:41,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:35:41,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:35:41,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:35:41,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:35:41,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:35:41,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:35:41,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:35:41,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:35:41,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:35:41,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:35:41,635 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_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c [2021-10-28 09:35:41,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:35:41,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:35:41,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:35:41,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:35:41,906 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:35:41,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-28 09:35:42,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/558e18353/81c8f286444a40229d0af775a1b446eb/FLAGb44e71df2 [2021-10-28 09:35:42,543 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:35:42,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-28 09:35:42,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/558e18353/81c8f286444a40229d0af775a1b446eb/FLAGb44e71df2 [2021-10-28 09:35:42,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/558e18353/81c8f286444a40229d0af775a1b446eb [2021-10-28 09:35:42,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:35:42,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:35:42,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:35:42,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:35:42,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:35:42,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:42" (1/1) ... [2021-10-28 09:35:42,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19421fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:42, skipping insertion in model container [2021-10-28 09:35:42,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:42" (1/1) ... [2021-10-28 09:35:42,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:35:42,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:35:43,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:35:43,412 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 09:35:43,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20c1dbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43, skipping insertion in model container [2021-10-28 09:35:43,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:35:43,414 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:35:43,418 INFO L168 Benchmark]: Toolchain (without parser) took 580.80 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 85.8 MB in the end (delta: -27.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:35:43,420 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 47.7 MB in the beginning and 47.6 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:35:43,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.10 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 85.8 MB in the end (delta: -27.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:35:43,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 47.7 MB in the beginning and 47.6 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.10 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 85.8 MB in the end (delta: -27.7 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 09:35:45,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:35:45,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:35:45,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:35:45,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:35:45,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:35:45,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:35:45,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:35:45,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:35:45,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:35:45,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:35:45,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:35:45,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:35:45,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:35:45,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:35:45,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:35:45,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:35:45,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:35:45,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:35:45,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:35:45,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:35:45,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:35:45,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:35:45,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:35:45,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:35:45,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:35:45,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:35:45,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:35:45,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:35:45,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:35:45,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:35:45,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:35:45,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:35:45,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:35:45,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:35:45,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:35:45,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:35:45,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:35:45,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:35:45,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:35:45,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:35:45,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:35:45,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:35:45,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:35:45,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:35:45,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:35:45,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:35:45,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:35:45,799 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:35:45,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:35:45,799 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:35:45,799 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:35:45,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:35:45,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:35:45,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:35:45,801 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:35:45,802 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:35:45,802 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:35:45,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:35:45,802 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:35:45,802 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:35:45,803 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:35:45,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:35:45,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:35:45,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:35:45,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:35:45,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:35:45,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:35:45,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:35:45,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:35:45,805 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:35:45,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:35:45,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:35:45,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:35:45,806 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_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c [2021-10-28 09:35:46,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:35:46,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:35:46,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:35:46,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:35:46,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:35:46,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-28 09:35:46,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/0c26ca5a6/7ab1e43c9bf34e028f57692855fd5446/FLAGffca1445e [2021-10-28 09:35:46,839 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:35:46,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-28 09:35:46,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/0c26ca5a6/7ab1e43c9bf34e028f57692855fd5446/FLAGffca1445e [2021-10-28 09:35:47,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/data/0c26ca5a6/7ab1e43c9bf34e028f57692855fd5446 [2021-10-28 09:35:47,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:35:47,145 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:35:47,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:35:47,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:35:47,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:35:47,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1130f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47, skipping insertion in model container [2021-10-28 09:35:47,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:35:47,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:35:47,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:35:47,690 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:35:47,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:35:47,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:35:47,764 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:35:47,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:35:47,903 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:35:47,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47 WrapperNode [2021-10-28 09:35:47,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:35:47,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:35:47,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:35:47,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:35:47,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:47,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:35:47,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:35:47,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:35:47,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:35:47,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (1/1) ... [2021-10-28 09:35:48,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:35:48,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:35:48,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:35:48,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:35:48,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:35:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:35:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:35:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:35:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:35:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:35:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:35:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:35:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:35:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:35:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:35:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:35:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:35:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:35:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:35:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:35:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:35:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:35:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:35:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:35:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:35:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:35:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:35:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:35:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:35:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:35:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:35:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:35:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:35:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:35:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:35:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:35:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:35:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:35:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:35:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:35:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:35:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:35:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:35:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:35:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:35:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:35:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2021-10-28 09:35:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2021-10-28 09:35:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2021-10-28 09:35:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2021-10-28 09:35:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:35:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:35:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:35:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:35:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:35:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:35:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:35:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:35:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:35:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:35:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:35:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:35:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:35:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:35:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:35:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:35:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:35:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:35:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:35:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:35:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:35:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:35:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:35:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:35:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:35:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:35:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:35:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:35:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:35:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:35:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:35:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:35:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:35:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:35:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:35:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:35:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:35:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:35:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:35:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:35:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:35:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:35:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:35:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:35:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:35:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:35:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:35:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:35:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:35:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:35:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:35:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:35:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:35:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:35:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:35:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:35:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:35:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:35:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:35:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:35:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:35:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:35:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:35:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:35:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:35:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:35:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:35:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:35:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:35:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:35:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:35:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:35:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:35:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:35:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:35:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:35:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:35:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:35:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:35:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:35:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:35:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:35:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:35:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:35:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:35:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:35:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:35:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:35:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:35:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:35:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:35:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:35:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:35:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:35:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:35:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:35:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:35:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:35:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:35:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:35:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:35:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:35:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:35:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:35:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:35:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:35:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:35:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:35:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:35:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:35:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:35:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:35:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:35:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:35:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:35:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:35:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:35:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:35:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:35:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:35:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:35:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:35:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:35:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:35:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:35:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:35:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:35:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:35:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:35:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:35:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:35:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:35:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:35:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:35:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:35:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:35:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:35:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:35:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:35:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:35:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:35:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:35:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:35:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:35:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:35:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:35:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:35:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:35:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:35:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:35:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:35:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:35:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:35:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:35:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:35:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:35:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:35:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:35:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:35:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:35:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:35:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:35:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:35:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:35:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:35:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:35:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:35:48,786 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:35:49,198 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:35:49,551 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:35:49,551 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:35:49,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:35:49 BoogieIcfgContainer [2021-10-28 09:35:49,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:35:49,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:35:49,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:35:49,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:35:49,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:35:47" (1/3) ... [2021-10-28 09:35:49,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b406ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:35:49, skipping insertion in model container [2021-10-28 09:35:49,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:47" (2/3) ... [2021-10-28 09:35:49,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b406ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:35:49, skipping insertion in model container [2021-10-28 09:35:49,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:35:49" (3/3) ... [2021-10-28 09:35:49,561 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test7-1.i [2021-10-28 09:35:49,566 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:35:49,566 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2021-10-28 09:35:49,609 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:35:49,615 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 09:35:49,615 INFO L340 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2021-10-28 09:35:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-10-28 09:35:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 09:35:49,656 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:49,657 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:49,658 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:35:49,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash 436226143, now seen corresponding path program 1 times [2021-10-28 09:35:49,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:35:49,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992158002] [2021-10-28 09:35:49,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:49,685 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:35:49,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:35:49,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:35:49,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:35:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:49,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:35:49,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:35:50,109 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 09:35:50,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:35:50,214 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 09:35:50,215 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:35:50,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992158002] [2021-10-28 09:35:50,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992158002] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:50,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:50,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:35:50,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463169287] [2021-10-28 09:35:50,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:35:50,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:35:50,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:35:50,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:50,243 INFO L87 Difference]: Start difference. First operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 09:35:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:50,301 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2021-10-28 09:35:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:35:50,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-10-28 09:35:50,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:50,313 INFO L225 Difference]: With dead ends: 53 [2021-10-28 09:35:50,313 INFO L226 Difference]: Without dead ends: 50 [2021-10-28 09:35:50,315 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 09:35:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-28 09:35:50,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-10-28 09:35:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-28 09:35:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-10-28 09:35:50,356 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2021-10-28 09:35:50,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:50,356 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-10-28 09:35:50,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 09:35:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-10-28 09:35:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:35:50,360 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:50,360 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:50,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:35:50,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:35:50,579 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:35:50,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:50,580 INFO L85 PathProgramCache]: Analyzing trace with hash 638108999, now seen corresponding path program 1 times [2021-10-28 09:35:50,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:35:50,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648642432] [2021-10-28 09:35:50,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:50,581 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:35:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:35:50,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:35:50,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:35:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:50,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:35:50,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:35:51,165 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 09:35:51,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:35:51,324 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 09:35:51,324 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:35:51,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648642432] [2021-10-28 09:35:51,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648642432] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:51,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:51,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2021-10-28 09:35:51,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214420782] [2021-10-28 09:35:51,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:35:51,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:35:51,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:35:51,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:35:51,328 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 09:35:51,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:51,604 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2021-10-28 09:35:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:35:51,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 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 09:35:51,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:51,607 INFO L225 Difference]: With dead ends: 85 [2021-10-28 09:35:51,607 INFO L226 Difference]: Without dead ends: 85 [2021-10-28 09:35:51,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:35:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-28 09:35:51,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 53. [2021-10-28 09:35:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 37 states have internal predecessors, (41), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-10-28 09:35:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2021-10-28 09:35:51,617 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2021-10-28 09:35:51,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:51,617 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2021-10-28 09:35:51,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 09:35:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-10-28 09:35:51,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 09:35:51,619 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:51,619 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:51,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:35:51,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:35:51,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:35:51,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1693457055, now seen corresponding path program 1 times [2021-10-28 09:35:51,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:35:51,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563676674] [2021-10-28 09:35:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:51,832 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:35:51,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:35:51,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:35:51,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:35:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:52,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:35:52,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:35:52,054 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 09:35:52,168 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 09:35:52,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:35:52,274 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 09:35:52,275 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:35:52,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563676674] [2021-10-28 09:35:52,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563676674] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:52,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:52,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2021-10-28 09:35:52,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426551777] [2021-10-28 09:35:52,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:35:52,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:35:52,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:35:52,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:35:52,280 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:35:52,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:52,458 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2021-10-28 09:35:52,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:35:52,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2021-10-28 09:35:52,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:52,462 INFO L225 Difference]: With dead ends: 77 [2021-10-28 09:35:52,462 INFO L226 Difference]: Without dead ends: 77 [2021-10-28 09:35:52,463 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:35:52,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-28 09:35:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2021-10-28 09:35:52,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.25) internal successors, (50), 44 states have internal predecessors, (50), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2021-10-28 09:35:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2021-10-28 09:35:52,480 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 25 [2021-10-28 09:35:52,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:52,482 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2021-10-28 09:35:52,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:35:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-10-28 09:35:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:35:52,485 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:52,486 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:52,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-28 09:35:52,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:35:52,697 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:35:52,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:52,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2073787341, now seen corresponding path program 1 times [2021-10-28 09:35:52,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:35:52,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269166035] [2021-10-28 09:35:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:52,699 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:35:52,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:35:52,700 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:35:52,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:35:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:52,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:35:52,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:35:53,107 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 09:35:53,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:35:57,272 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_entry_point_~#a7~0.base_13| (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_4| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_13| (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_~#a7~0.base_13|))))))))))) (= |v_old(#valid)_BEFORE_CALL_4| |c_#valid|))) is different from false [2021-10-28 09:35:57,347 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_entry_point_~#a7~0.base_13| (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_4| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_13| (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_~#a7~0.base_13|))))))))))) (= |v_old(#valid)_BEFORE_CALL_4| (store |c_#valid| |c_entry_point_~#a7~0.base| (_ bv0 1))))) is different from false [2021-10-28 09:35:57,669 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 09:35:57,669 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 70 treesize of output 117 [2021-10-28 09:35:58,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:35:58,211 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 29 treesize of output 33 [2021-10-28 09:35:58,383 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 09:35:58,384 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:35:58,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269166035] [2021-10-28 09:35:58,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269166035] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:58,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:58,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 8 [2021-10-28 09:35:58,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960989903] [2021-10-28 09:35:58,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:35:58,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:35:58,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:35:58,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=24, Unknown=5, NotChecked=22, Total=72 [2021-10-28 09:35:58,387 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 9 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 09:36:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:16,846 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2021-10-28 09:36:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:36:16,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 24 [2021-10-28 09:36:16,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:36:16,848 INFO L225 Difference]: With dead ends: 79 [2021-10-28 09:36:16,849 INFO L226 Difference]: Without dead ends: 65 [2021-10-28 09:36:16,849 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=28, Invalid=29, Unknown=7, NotChecked=26, Total=90 [2021-10-28 09:36:16,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-28 09:36:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-10-28 09:36:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 44 states have internal predecessors, (50), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2021-10-28 09:36:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2021-10-28 09:36:16,856 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 24 [2021-10-28 09:36:16,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:36:16,856 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2021-10-28 09:36:16,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 09:36:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2021-10-28 09:36:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 09:36:16,858 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:36:16,858 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:16,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:17,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:36:17,059 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:36:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:17,059 INFO L85 PathProgramCache]: Analyzing trace with hash 2095951616, now seen corresponding path program 1 times [2021-10-28 09:36:17,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:36:17,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486121840] [2021-10-28 09:36:17,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:17,060 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:36:17,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:36:17,061 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:36:17,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:36:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:17,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:36:17,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:17,372 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 09:36:17,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:36:17,496 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 09:36:17,497 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:36:17,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486121840] [2021-10-28 09:36:17,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486121840] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:17,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:17,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 09:36:17,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074510874] [2021-10-28 09:36:17,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:36:17,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:36:17,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:36:17,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:36:17,499 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:36:17,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:17,523 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2021-10-28 09:36:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:36:17,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2021-10-28 09:36:17,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:36:17,526 INFO L225 Difference]: With dead ends: 52 [2021-10-28 09:36:17,526 INFO L226 Difference]: Without dead ends: 48 [2021-10-28 09:36:17,526 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 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 09:36:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-28 09:36:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-10-28 09:36:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 32 states have internal predecessors, (34), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-28 09:36:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2021-10-28 09:36:17,530 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 25 [2021-10-28 09:36:17,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:36:17,531 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2021-10-28 09:36:17,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:36:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2021-10-28 09:36:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 09:36:17,532 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:36:17,532 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:17,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:17,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:36:17,743 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting probe1_6Err0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:36:17,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:17,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1373990059, now seen corresponding path program 1 times [2021-10-28 09:36:17,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:36:17,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642339641] [2021-10-28 09:36:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:17,744 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:36:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:36:17,745 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:36:17,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:36:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:17,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:36:17,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:17,993 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 09:36:18,098 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 09:36:18,098 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 15 treesize of output 20 [2021-10-28 09:36:18,240 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 09:36:18,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:36:18,469 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 09:36:18,469 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:36:18,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642339641] [2021-10-28 09:36:18,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642339641] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:18,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:18,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 8 [2021-10-28 09:36:18,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744749396] [2021-10-28 09:36:18,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:36:18,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:36:18,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:36:18,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:36:18,471 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand has 9 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-10-28 09:36:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:18,807 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2021-10-28 09:36:18,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:36:18,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 29 [2021-10-28 09:36:18,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:36:18,809 INFO L225 Difference]: With dead ends: 56 [2021-10-28 09:36:18,809 INFO L226 Difference]: Without dead ends: 56 [2021-10-28 09:36:18,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-10-28 09:36:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-10-28 09:36:18,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2021-10-28 09:36:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-28 09:36:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2021-10-28 09:36:18,814 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 29 [2021-10-28 09:36:18,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:36:18,814 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2021-10-28 09:36:18,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-10-28 09:36:18,815 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2021-10-28 09:36:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 09:36:18,816 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:36:18,816 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:18,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-28 09:36:19,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:36:19,021 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting probe1_6Err1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:36:19,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:19,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1373990058, now seen corresponding path program 1 times [2021-10-28 09:36:19,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:36:19,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290392281] [2021-10-28 09:36:19,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:19,023 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:36:19,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:36:19,024 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:36:19,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 09:36:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:19,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:36:19,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:19,309 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 09:36:23,491 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 09:36:23,491 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 12 treesize of output 14 [2021-10-28 09:36:23,708 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 09:36:23,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:36:25,489 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 09:36:25,489 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:36:25,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290392281] [2021-10-28 09:36:25,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290392281] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:25,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:25,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2021-10-28 09:36:25,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730140776] [2021-10-28 09:36:25,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 09:36:25,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:36:25,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 09:36:25,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=167, Unknown=2, NotChecked=0, Total=210 [2021-10-28 09:36:25,492 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 6 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-10-28 09:36:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:45,562 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-10-28 09:36:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 09:36:45,563 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 6 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 29 [2021-10-28 09:36:45,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:36:45,564 INFO L225 Difference]: With dead ends: 46 [2021-10-28 09:36:45,564 INFO L226 Difference]: Without dead ends: 46 [2021-10-28 09:36:45,565 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=105, Invalid=398, Unknown=3, NotChecked=0, Total=506 [2021-10-28 09:36:45,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-28 09:36:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-28 09:36:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 30 states have internal predecessors, (32), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-28 09:36:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2021-10-28 09:36:45,569 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 29 [2021-10-28 09:36:45,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:36:45,570 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2021-10-28 09:36:45,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 6 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-10-28 09:36:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-10-28 09:36:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 09:36:45,572 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:36:45,572 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:45,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-28 09:36:45,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:36:45,777 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:36:45,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:45,777 INFO L85 PathProgramCache]: Analyzing trace with hash 502378319, now seen corresponding path program 1 times [2021-10-28 09:36:45,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:36:45,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021248402] [2021-10-28 09:36:45,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:45,778 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:36:45,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:36:45,779 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:36:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 09:36:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:46,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:36:46,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:46,122 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 09:36:46,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:36:46,324 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 09:36:46,324 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:36:46,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021248402] [2021-10-28 09:36:46,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021248402] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:46,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:46,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-28 09:36:46,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638202252] [2021-10-28 09:36:46,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:36:46,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:36:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:36:46,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:36:46,327 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-10-28 09:36:46,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:46,398 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-10-28 09:36:46,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:36:46,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) Word has length 37 [2021-10-28 09:36:46,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:36:46,400 INFO L225 Difference]: With dead ends: 50 [2021-10-28 09:36:46,400 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 09:36:46,400 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:36:46,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 09:36:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-28 09:36:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.0) internal successors, (27), 27 states have internal predecessors, (27), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-28 09:36:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2021-10-28 09:36:46,404 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 37 [2021-10-28 09:36:46,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:36:46,404 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2021-10-28 09:36:46,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-10-28 09:36:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2021-10-28 09:36:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-28 09:36:46,406 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:36:46,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:46,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:46,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:36:46,607 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-28 09:36:46,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:46,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1897000381, now seen corresponding path program 1 times [2021-10-28 09:36:46,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:36:46,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503536877] [2021-10-28 09:36:46,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:46,609 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:36:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:36:46,610 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:36:46,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-28 09:36:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:46,906 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:47,023 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 09:36:47,024 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:36:47,024 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:36:47,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:36:47,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:36:47,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:36:47,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:36:47,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,044 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,044 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,044 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,044 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,044 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,044 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:36:47,045 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:36:47,045 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,045 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,045 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,045 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:36:47,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:36:47,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err0REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err1REQUIRES_VIOLATION [2021-10-28 09:36:47,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,051 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,051 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:36:47,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:47,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:36:47,268 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:47,271 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:36:47,282 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 09:36:47,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:36:47 BoogieIcfgContainer [2021-10-28 09:36:47,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:36:47,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:36:47,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:36:47,304 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:36:47,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:35:49" (3/4) ... [2021-10-28 09:36:47,308 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:36:47,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:36:47,309 INFO L168 Benchmark]: Toolchain (without parser) took 60163.78 ms. Allocated memory was 56.6 MB in the beginning and 104.9 MB in the end (delta: 48.2 MB). Free memory was 32.6 MB in the beginning and 57.4 MB in the end (delta: -24.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:47,309 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:36:47,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.67 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 32.5 MB in the beginning and 50.1 MB in the end (delta: -17.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:47,310 INFO L168 Benchmark]: Boogie Preprocessor took 91.01 ms. Allocated memory is still 71.3 MB. Free memory was 50.1 MB in the beginning and 45.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:47,310 INFO L168 Benchmark]: RCFGBuilder took 1557.36 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 34.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:47,311 INFO L168 Benchmark]: TraceAbstraction took 57747.73 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 34.0 MB in the beginning and 57.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:47,311 INFO L168 Benchmark]: Witness Printer took 3.89 ms. Allocated memory is still 104.9 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:36:47,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 756.67 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 32.5 MB in the beginning and 50.1 MB in the end (delta: -17.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.01 ms. Allocated memory is still 71.3 MB. Free memory was 50.1 MB in the beginning and 45.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1557.36 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 34.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 57747.73 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 34.0 MB in the beginning and 57.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.89 ms. Allocated memory is still 104.9 MB. Free memory is still 57.4 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 789]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 789. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L790] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L783] struct A a7; VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}] [L784] CALL, EXPR probe1_6(&a7) VAL [a={3:0}, ldv_global_msg_list={-2147483648:0}] [L764] int ret = - -3; VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L765] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}, ret=3] [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=3] [L768] CALL, EXPR f6() VAL [ldv_global_msg_list={-2147483648:0}] [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() VAL [a={3:0}, a={3:0}, f6()=0, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=3] [L768] ret = f6() [L769] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L771] CALL, EXPR g6() VAL [ldv_global_msg_list={-2147483648:0}] [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() VAL [a={3:0}, a={3:0}, g6()=0, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L774] a->p = p VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L775] return 0; VAL [\result=0, a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L784] RET, EXPR probe1_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}, probe1_6(&a7)=0] [L784] int ret = probe1_6(&a7); [L785] COND TRUE ret==0 VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}, ret=0] [L786] FCALL disconnect_2_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}, ret=0] [L790] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: 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 free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 364 locations, 76 error locations. Started 1 CEGAR loops. OverallTime: 57.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 39.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 388 SDtfs, 394 SDslu, 1047 SDs, 0 SdLazy, 663 SolverSat, 118 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 32.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 357 SyntacticMatches, 17 SemanticMatches, 69 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 58 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 416 ConstructedInterpolants, 44 QuantifiedInterpolants, 1932 SizeOfPredicates, 13 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 09:36:47,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9142363-ab15-4978-a9f3-3927e462df3b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...