./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y --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 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:42:45,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:42:45,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:42:45,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:42:45,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:42:45,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:42:45,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:42:45,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:42:45,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:42:45,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:42:45,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:42:45,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:42:45,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:42:45,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:42:45,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:42:45,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:42:45,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:42:45,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:42:45,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:42:45,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:42:45,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:42:45,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:42:45,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:42:45,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:42:45,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:42:45,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:42:45,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:42:45,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:42:45,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:42:45,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:42:45,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:42:45,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:42:45,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:42:45,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:42:45,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:42:45,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:42:45,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:42:45,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:42:45,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:42:45,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:42:45,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:42:45,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-13 17:42:45,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:42:45,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:42:45,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:42:45,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:42:45,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:42:45,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:42:45,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:42:45,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:42:45,791 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:42:45,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:42:45,793 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:42:45,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:42:45,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:42:45,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:42:45,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:42:45,794 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 17:42:45,794 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 17:42:45,795 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 17:42:45,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:42:45,795 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 17:42:45,795 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:42:45,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:42:45,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:42:45,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:42:45,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:42:45,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:42:45,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:42:45,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:42:45,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:42:45,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:42:45,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:42:45,799 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_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 [2021-11-13 17:42:46,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:42:46,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:42:46,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:42:46,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:42:46,102 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:42:46,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-11-13 17:42:46,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/6b4157f67/163308e79ce943de963ea508f7f4656d/FLAGd95984fd7 [2021-11-13 17:42:46,769 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:42:46,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-11-13 17:42:46,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/6b4157f67/163308e79ce943de963ea508f7f4656d/FLAGd95984fd7 [2021-11-13 17:42:47,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/6b4157f67/163308e79ce943de963ea508f7f4656d [2021-11-13 17:42:47,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:42:47,046 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 17:42:47,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:42:47,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:42:47,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:42:47,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:42:47" (1/1) ... [2021-11-13 17:42:47,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95c4630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:47, skipping insertion in model container [2021-11-13 17:42:47,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:42:47" (1/1) ... [2021-11-13 17:42:47,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:42:47,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:42:47,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:42:47,762 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) [2021-11-13 17:42:47,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a7a59e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:47, skipping insertion in model container [2021-11-13 17:42:47,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:42:47,764 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 17:42:47,769 INFO L158 Benchmark]: Toolchain (without parser) took 720.49ms. Allocated memory is still 107.0MB. Free memory was 62.7MB in the beginning and 75.4MB in the end (delta: -12.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-13 17:42:47,770 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:42:47,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.29ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 75.4MB in the end (delta: -13.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-13 17:42:47,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.29ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 75.4MB in the end (delta: -13.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y --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 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:42:50,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:42:50,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:42:50,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:42:50,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:42:50,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:42:50,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:42:50,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:42:50,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:42:50,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:42:50,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:42:50,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:42:50,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:42:50,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:42:50,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:42:50,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:42:50,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:42:50,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:42:50,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:42:50,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:42:50,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:42:50,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:42:50,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:42:50,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:42:50,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:42:50,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:42:50,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:42:50,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:42:50,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:42:50,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:42:50,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:42:50,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:42:50,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:42:50,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:42:50,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:42:50,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:42:50,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:42:50,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:42:50,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:42:50,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:42:50,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:42:50,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-13 17:42:50,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:42:50,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:42:50,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:42:50,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:42:50,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:42:50,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:42:50,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:42:50,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:42:50,720 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:42:50,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:42:50,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:42:50,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:42:50,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:42:50,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:42:50,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:42:50,723 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 17:42:50,723 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 17:42:50,723 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 17:42:50,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:42:50,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 17:42:50,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 17:42:50,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 17:42:50,724 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:42:50,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:42:50,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:42:50,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:42:50,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:42:50,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:42:50,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:42:50,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:42:50,727 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 17:42:50,727 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 17:42:50,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:42:50,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 17:42:50,728 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_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c492ba1908c68ae7fad42ab0faa06b28fe0f7f3fdd04d2f1af5f4f1b8416a55 [2021-11-13 17:42:51,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:42:51,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:42:51,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:42:51,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:42:51,294 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:42:51,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-11-13 17:42:51,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/756d1dc61/f7291791faf24e97978215bb81ded264/FLAGf19325ede [2021-11-13 17:42:52,151 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:42:52,152 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-11-13 17:42:52,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/756d1dc61/f7291791faf24e97978215bb81ded264/FLAGf19325ede [2021-11-13 17:42:52,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/data/756d1dc61/f7291791faf24e97978215bb81ded264 [2021-11-13 17:42:52,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:42:52,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 17:42:52,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:42:52,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:42:52,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:42:52,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:42:52" (1/1) ... [2021-11-13 17:42:52,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62219fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:52, skipping insertion in model container [2021-11-13 17:42:52,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:42:52" (1/1) ... [2021-11-13 17:42:52,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:42:52,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:42:53,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:42:53,199 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 17:42:53,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:42:53,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:42:53,351 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:42:53,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:42:53,514 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:42:53,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53 WrapperNode [2021-11-13 17:42:53,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:42:53,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:42:53,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:42:53,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:42:53,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:42:53,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:42:53,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:42:53,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:42:53,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (1/1) ... [2021-11-13 17:42:53,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:42:53,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:42:53,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:42:53,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:42:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-13 17:42:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:42:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:42:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 17:42:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-13 17:42:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-13 17:42:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-13 17:42:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-13 17:42:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-13 17:42:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-13 17:42:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-13 17:42:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:42:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 17:42:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-13 17:42:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-13 17:42:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-13 17:42:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-13 17:42:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-13 17:42:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-13 17:42:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-13 17:42:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-13 17:42:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-13 17:42:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-13 17:42:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-13 17:42:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 17:42:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 17:42:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-13 17:42:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-13 17:42:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-13 17:42:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-13 17:42:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-13 17:42:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-13 17:42:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-13 17:42:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-13 17:42:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-13 17:42:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-13 17:42:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-13 17:42:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-13 17:42:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-13 17:42:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-13 17:42:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-13 17:42:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-13 17:42:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-11-13 17:42:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-11-13 17:42:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_3_11 [2021-11-13 17:42:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-11-13 17:42:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-13 17:42:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-13 17:42:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:42:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:42:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:42:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-13 17:42:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-13 17:42:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-13 17:42:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-13 17:42:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-13 17:42:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-13 17:42:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-13 17:42:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-13 17:42:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-13 17:42:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-13 17:42:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-13 17:42:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-13 17:42:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-13 17:42:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-13 17:42:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-13 17:42:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-13 17:42:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-13 17:42:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-13 17:42:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-13 17:42:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-13 17:42:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-13 17:42:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-13 17:42:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-13 17:42:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-13 17:42:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-13 17:42:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-13 17:42:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-13 17:42:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-13 17:42:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-13 17:42:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-13 17:42:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-13 17:42:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-13 17:42:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-13 17:42:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-13 17:42:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-13 17:42:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-13 17:42:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-13 17:42:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-13 17:42:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-13 17:42:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-13 17:42:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-13 17:42:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-13 17:42:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-13 17:42:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-13 17:42:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-13 17:42:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-13 17:42:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-13 17:42:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-13 17:42:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-13 17:42:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-13 17:42:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-13 17:42:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-13 17:42:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-13 17:42:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-13 17:42:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-13 17:42:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-13 17:42:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-13 17:42:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-13 17:42:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-13 17:42:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-13 17:42:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-13 17:42:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-13 17:42:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-13 17:42:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-13 17:42:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-13 17:42:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-13 17:42:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-13 17:42:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-13 17:42:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-13 17:42:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-13 17:42:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-13 17:42:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-13 17:42:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-13 17:42:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-13 17:42:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-13 17:42:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-13 17:42:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-13 17:42:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-13 17:42:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-13 17:42:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-13 17:42:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-13 17:42:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-13 17:42:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-13 17:42:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-13 17:42:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-13 17:42:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-13 17:42:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-13 17:42:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-13 17:42:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-13 17:42:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-13 17:42:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-13 17:42:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-13 17:42:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-13 17:42:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-13 17:42:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-13 17:42:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-13 17:42:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-13 17:42:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-13 17:42:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-13 17:42:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-13 17:42:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-13 17:42:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-13 17:42:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-13 17:42:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-13 17:42:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-13 17:42:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-13 17:42:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-13 17:42:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 17:42:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-13 17:42:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-13 17:42:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-13 17:42:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-13 17:42:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-13 17:42:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:42:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:42:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 17:42:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:42:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-13 17:42:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:42:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-13 17:42:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-13 17:42:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-13 17:42:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:42:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-13 17:42:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-13 17:42:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-13 17:42:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-13 17:42:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:42:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-13 17:42:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:42:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-13 17:42:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-13 17:42:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 17:42:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 17:42:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-13 17:42:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 17:42:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 17:42:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-13 17:42:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-13 17:42:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:42:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-13 17:42:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-13 17:42:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-13 17:42:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-13 17:42:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-13 17:42:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-13 17:42:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-13 17:42:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-13 17:42:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-13 17:42:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-13 17:42:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-13 17:42:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:42:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-13 17:42:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-13 17:42:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-11-13 17:42:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-11-13 17:42:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_3_11 [2021-11-13 17:42:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-11-13 17:42:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-13 17:42:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-13 17:42:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-13 17:42:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:42:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:42:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:42:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 17:42:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 17:42:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 17:42:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:42:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:42:54,675 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 17:42:55,136 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 17:42:55,631 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:42:55,631 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 17:42:55,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:42:55 BoogieIcfgContainer [2021-11-13 17:42:55,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:42:55,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:42:55,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:42:55,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:42:55,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:42:52" (1/3) ... [2021-11-13 17:42:55,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e50a0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:42:55, skipping insertion in model container [2021-11-13 17:42:55,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:53" (2/3) ... [2021-11-13 17:42:55,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e50a0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:42:55, skipping insertion in model container [2021-11-13 17:42:55,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:42:55" (3/3) ... [2021-11-13 17:42:55,644 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_2.i [2021-11-13 17:42:55,651 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:42:55,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-11-13 17:42:55,709 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:42:55,717 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 [2021-11-13 17:42:55,717 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-11-13 17:42:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-13 17:42:55,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 17:42:55,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:42:55,751 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:42:55,752 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-11-13 17:42:55,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:42:55,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1897725955, now seen corresponding path program 1 times [2021-11-13 17:42:55,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:42:55,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018190356] [2021-11-13 17:42:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:42:55,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:42:55,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:42:55,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:42:55,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 17:42:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:56,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:42:56,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:42:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:42:56,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:42:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:42:56,279 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:42:56,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018190356] [2021-11-13 17:42:56,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018190356] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:42:56,280 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:42:56,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 17:42:56,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507739044] [2021-11-13 17:42:56,284 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:42:56,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:42:56,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:42:56,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:42:56,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:42:56,328 INFO L87 Difference]: Start difference. First operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:42:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:42:56,518 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-11-13 17:42:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:42:56,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-11-13 17:42:56,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:42:56,541 INFO L225 Difference]: With dead ends: 146 [2021-11-13 17:42:56,541 INFO L226 Difference]: Without dead ends: 143 [2021-11-13 17:42:56,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:42:56,556 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 33 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.67ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.31ms IncrementalHoareTripleChecker+Time [2021-11-13 17:42:56,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 513 Invalid, 38 Unknown, 0 Unchecked, 19.67ms Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 91.31ms Time] [2021-11-13 17:42:56,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-13 17:42:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-11-13 17:42:56,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-11-13 17:42:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-11-13 17:42:56,664 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-11-13 17:42:56,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:42:56,665 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-11-13 17:42:56,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:42:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-11-13 17:42:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 17:42:56,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:42:56,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:42:56,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 17:42:56,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:42:56,876 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-11-13 17:42:56,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:42:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash -154915620, now seen corresponding path program 1 times [2021-11-13 17:42:56,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:42:56,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327678441] [2021-11-13 17:42:56,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:42:56,877 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:42:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:42:56,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:42:56,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 17:42:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:57,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:42:57,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:42:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:42:57,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:42:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:42:57,325 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:42:57,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327678441] [2021-11-13 17:42:57,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327678441] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:42:57,326 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:42:57,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 17:42:57,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243032523] [2021-11-13 17:42:57,326 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:42:57,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:42:57,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:42:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:42:57,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:42:57,332 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:42:57,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:42:57,603 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-11-13 17:42:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:42:57,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-11-13 17:42:57,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:42:57,607 INFO L225 Difference]: With dead ends: 158 [2021-11-13 17:42:57,607 INFO L226 Difference]: Without dead ends: 155 [2021-11-13 17:42:57,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:42:57,609 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 73 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 181.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.62ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 233.44ms IncrementalHoareTripleChecker+Time [2021-11-13 17:42:57,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 178 Invalid, 84 Unknown, 0 Unchecked, 4.62ms Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 233.44ms Time] [2021-11-13 17:42:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-13 17:42:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-11-13 17:42:57,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 81 states have internal predecessors, (86), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-13 17:42:57,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-11-13 17:42:57,643 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-11-13 17:42:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:42:57,643 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-11-13 17:42:57,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:42:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-11-13 17:42:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:42:57,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:42:57,646 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:42:57,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:42:57,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:42:57,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-11-13 17:42:57,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:42:57,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334128, now seen corresponding path program 1 times [2021-11-13 17:42:57,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:42:57,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509250137] [2021-11-13 17:42:57,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:42:57,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:42:57,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:42:57,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:42:57,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 17:42:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:58,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:42:58,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:42:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 17:42:58,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:42:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 17:42:58,246 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:42:58,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509250137] [2021-11-13 17:42:58,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509250137] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:42:58,247 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:42:58,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 17:42:58,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043036275] [2021-11-13 17:42:58,252 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:42:58,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:42:58,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:42:58,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:42:58,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:42:58,255 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:42:58,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:42:58,370 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-11-13 17:42:58,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:42:58,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-11-13 17:42:58,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:42:58,373 INFO L225 Difference]: With dead ends: 140 [2021-11-13 17:42:58,375 INFO L226 Difference]: Without dead ends: 140 [2021-11-13 17:42:58,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:42:58,377 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 30 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.24ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.81ms IncrementalHoareTripleChecker+Time [2021-11-13 17:42:58,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 443 Invalid, 42 Unknown, 0 Unchecked, 6.24ms Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 86.81ms Time] [2021-11-13 17:42:58,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-13 17:42:58,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-11-13 17:42:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-11-13 17:42:58,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-11-13 17:42:58,408 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-11-13 17:42:58,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:42:58,408 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-11-13 17:42:58,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:42:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-11-13 17:42:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:42:58,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:42:58,410 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:42:58,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:42:58,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:42:58,624 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-11-13 17:42:58,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:42:58,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334161, now seen corresponding path program 1 times [2021-11-13 17:42:58,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:42:58,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628657476] [2021-11-13 17:42:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:42:58,626 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:42:58,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:42:58,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:42:58,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 17:42:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:58,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:42:58,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:42:58,902 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 [2021-11-13 17:42:59,051 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-13 17:42:59,051 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 16 treesize of output 21 [2021-11-13 17:42:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:42:59,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:42:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:42:59,448 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:42:59,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628657476] [2021-11-13 17:42:59,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628657476] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:42:59,449 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:42:59,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-11-13 17:42:59,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860102522] [2021-11-13 17:42:59,449 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:42:59,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:42:59,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:42:59,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:42:59,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:42:59,451 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 17:42:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:42:59,743 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2021-11-13 17:42:59,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:42:59,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-11-13 17:42:59,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:42:59,748 INFO L225 Difference]: With dead ends: 129 [2021-11-13 17:42:59,748 INFO L226 Difference]: Without dead ends: 129 [2021-11-13 17:42:59,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:42:59,750 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 10 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 199.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.12ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 254.73ms IncrementalHoareTripleChecker+Time [2021-11-13 17:42:59,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 477 Invalid, 188 Unknown, 0 Unchecked, 5.12ms Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 65 Unchecked, 254.73ms Time] [2021-11-13 17:42:59,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-13 17:42:59,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2021-11-13 17:42:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.5) internal successors, (108), 97 states have internal predecessors, (108), 15 states have call successors, (15), 11 states have call predecessors, (15), 12 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-11-13 17:42:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 142 transitions. [2021-11-13 17:42:59,764 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 142 transitions. Word has length 21 [2021-11-13 17:42:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:42:59,765 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 142 transitions. [2021-11-13 17:42:59,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 17:42:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 142 transitions. [2021-11-13 17:42:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:42:59,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:42:59,767 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:42:59,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:42:59,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:42:59,981 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-11-13 17:42:59,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:42:59,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1553334162, now seen corresponding path program 1 times [2021-11-13 17:42:59,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:42:59,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525359477] [2021-11-13 17:42:59,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:42:59,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:42:59,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:42:59,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:42:59,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 17:43:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:00,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 17:43:00,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:43:00,265 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 [2021-11-13 17:43:00,274 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 [2021-11-13 17:43:02,690 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-13 17:43:02,691 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 34 treesize of output 36 [2021-11-13 17:43:02,708 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:43:02,709 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 28 treesize of output 28 [2021-11-13 17:43:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:43:02,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:43:18,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-11-13 17:43:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:43:18,847 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:43:18,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525359477] [2021-11-13 17:43:18,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525359477] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:43:18,847 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:43:18,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-11-13 17:43:18,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144120555] [2021-11-13 17:43:18,848 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:43:18,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-13 17:43:18,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:43:18,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-13 17:43:18,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=196, Unknown=6, NotChecked=0, Total=240 [2021-11-13 17:43:18,849 INFO L87 Difference]: Start difference. First operand 126 states and 142 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 17:43:30,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:43:30,673 INFO L93 Difference]: Finished difference Result 240 states and 275 transitions. [2021-11-13 17:43:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 17:43:30,674 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-11-13 17:43:30,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:43:30,677 INFO L225 Difference]: With dead ends: 240 [2021-11-13 17:43:30,677 INFO L226 Difference]: Without dead ends: 240 [2021-11-13 17:43:30,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=63, Invalid=307, Unknown=10, NotChecked=0, Total=380 [2021-11-13 17:43:30,679 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 215 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1299.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.26ms SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 568 IncrementalHoareTripleChecker+Unchecked, 1492.16ms IncrementalHoareTripleChecker+Time [2021-11-13 17:43:30,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 881 Invalid, 1163 Unknown, 0 Unchecked, 18.26ms Time], IncrementalHoareTripleChecker [61 Valid, 534 Invalid, 0 Unknown, 568 Unchecked, 1492.16ms Time] [2021-11-13 17:43:30,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-13 17:43:30,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 149. [2021-11-13 17:43:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 89 states have (on average 1.5168539325842696) internal successors, (135), 114 states have internal predecessors, (135), 20 states have call successors, (20), 11 states have call predecessors, (20), 13 states have return successors, (27), 23 states have call predecessors, (27), 19 states have call successors, (27) [2021-11-13 17:43:30,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 182 transitions. [2021-11-13 17:43:30,701 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 182 transitions. Word has length 21 [2021-11-13 17:43:30,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:43:30,702 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 182 transitions. [2021-11-13 17:43:30,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 17:43:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 182 transitions. [2021-11-13 17:43:30,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:43:30,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:43:30,704 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:43:30,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:43:30,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:43:30,924 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-11-13 17:43:30,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:43:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1259931154, now seen corresponding path program 1 times [2021-11-13 17:43:30,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:43:30,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365771846] [2021-11-13 17:43:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:43:30,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:43:30,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:43:30,928 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:43:30,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 17:43:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:31,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:43:31,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:43:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:43:31,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:43:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 17:43:31,360 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:43:31,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365771846] [2021-11-13 17:43:31,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365771846] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 17:43:31,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:43:31,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-13 17:43:31,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455508462] [2021-11-13 17:43:31,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:43:31,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:43:31,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:43:31,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:43:31,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:43:31,363 INFO L87 Difference]: Start difference. First operand 149 states and 182 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:43:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:43:31,408 INFO L93 Difference]: Finished difference Result 140 states and 167 transitions. [2021-11-13 17:43:31,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:43:31,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-11-13 17:43:31,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:43:31,412 INFO L225 Difference]: With dead ends: 140 [2021-11-13 17:43:31,412 INFO L226 Difference]: Without dead ends: 138 [2021-11-13 17:43:31,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:43:31,414 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.95ms IncrementalHoareTripleChecker+Time [2021-11-13 17:43:31,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 450 Invalid, 14 Unknown, 0 Unchecked, 2.57ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 36.95ms Time] [2021-11-13 17:43:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-11-13 17:43:31,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-11-13 17:43:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.524390243902439) internal successors, (125), 106 states have internal predecessors, (125), 18 states have call successors, (18), 11 states have call predecessors, (18), 13 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-11-13 17:43:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 165 transitions. [2021-11-13 17:43:31,427 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 165 transitions. Word has length 21 [2021-11-13 17:43:31,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:43:31,428 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 165 transitions. [2021-11-13 17:43:31,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:43:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2021-11-13 17:43:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 17:43:31,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:43:31,430 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:43:31,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:43:31,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:43:31,649 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-11-13 17:43:31,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:43:31,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1796221871, now seen corresponding path program 1 times [2021-11-13 17:43:31,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:43:31,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207762] [2021-11-13 17:43:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:43:31,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:43:31,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:43:31,652 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:43:31,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 17:43:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:31,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:43:31,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:43:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:43:32,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:43:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 17:43:32,358 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:43:32,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207762] [2021-11-13 17:43:32,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207762] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:43:32,359 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:43:32,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-11-13 17:43:32,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537531432] [2021-11-13 17:43:32,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 17:43:32,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 17:43:32,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:43:32,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 17:43:32,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:43:32,362 INFO L87 Difference]: Start difference. First operand 138 states and 165 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-11-13 17:43:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:43:32,831 INFO L93 Difference]: Finished difference Result 139 states and 165 transitions. [2021-11-13 17:43:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 17:43:32,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-11-13 17:43:32,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:43:32,834 INFO L225 Difference]: With dead ends: 139 [2021-11-13 17:43:32,834 INFO L226 Difference]: Without dead ends: 139 [2021-11-13 17:43:32,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:43:32,836 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 100 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 338.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.39ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 47 IncrementalHoareTripleChecker+Unchecked, 408.83ms IncrementalHoareTripleChecker+Time [2021-11-13 17:43:32,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 429 Invalid, 218 Unknown, 0 Unchecked, 4.39ms Time], IncrementalHoareTripleChecker [9 Valid, 162 Invalid, 0 Unknown, 47 Unchecked, 408.83ms Time] [2021-11-13 17:43:32,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-11-13 17:43:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2021-11-13 17:43:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.5) internal successors, (123), 105 states have internal predecessors, (123), 18 states have call successors, (18), 11 states have call predecessors, (18), 13 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-11-13 17:43:32,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 163 transitions. [2021-11-13 17:43:32,848 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 163 transitions. Word has length 22 [2021-11-13 17:43:32,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:43:32,849 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 163 transitions. [2021-11-13 17:43:32,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-11-13 17:43:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2021-11-13 17:43:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 17:43:32,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:43:32,852 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:43:32,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:43:33,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:43:33,067 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 89 more)] === [2021-11-13 17:43:33,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:43:33,067 INFO L85 PathProgramCache]: Analyzing trace with hash -880393985, now seen corresponding path program 1 times [2021-11-13 17:43:33,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:43:33,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753086961] [2021-11-13 17:43:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:43:33,068 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:43:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:43:33,069 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:43:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 17:43:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:33,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 17:43:33,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:43:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 17:43:33,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:43:39,815 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| |c_#valid|) (exists ((v_entry_point_~c11~0.base_29 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~c11~0.base_29 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~c11~0.base_29))))))))) is different from false [2021-11-13 17:43:42,177 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:43:42,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753086961] [2021-11-13 17:43:42,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_8|] [2021-11-13 17:43:42,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1605012416] [2021-11-13 17:43:42,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:43:42,179 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 17:43:42,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/cvc4 [2021-11-13 17:43:42,187 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 17:43:42,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-13 17:43:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:42,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 17:43:42,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:43:42,492 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-13 17:43:42,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-11-13 17:43:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 17:43:48,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:44:01,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_13|] [2021-11-13 17:44:01,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377706003] [2021-11-13 17:44:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:44:01,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:44:01,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:44:01,699 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:44:01,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 17:44:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:44:01,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 17:44:01,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:44:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 17:44:02,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:44:12,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_18|] [2021-11-13 17:44:12,592 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:44:12,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-13 17:44:12,592 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-13 17:44:12,592 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-13 17:44:12,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (92 of 93 remaining) [2021-11-13 17:44:12,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (91 of 93 remaining) [2021-11-13 17:44:12,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (90 of 93 remaining) [2021-11-13 17:44:12,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (89 of 93 remaining) [2021-11-13 17:44:12,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (88 of 93 remaining) [2021-11-13 17:44:12,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (87 of 93 remaining) [2021-11-13 17:44:12,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (86 of 93 remaining) [2021-11-13 17:44:12,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (85 of 93 remaining) [2021-11-13 17:44:12,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (84 of 93 remaining) [2021-11-13 17:44:12,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (83 of 93 remaining) [2021-11-13 17:44:12,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (82 of 93 remaining) [2021-11-13 17:44:12,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (81 of 93 remaining) [2021-11-13 17:44:12,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (80 of 93 remaining) [2021-11-13 17:44:12,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (79 of 93 remaining) [2021-11-13 17:44:12,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (78 of 93 remaining) [2021-11-13 17:44:12,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (77 of 93 remaining) [2021-11-13 17:44:12,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (76 of 93 remaining) [2021-11-13 17:44:12,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (75 of 93 remaining) [2021-11-13 17:44:12,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (74 of 93 remaining) [2021-11-13 17:44:12,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (73 of 93 remaining) [2021-11-13 17:44:12,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (72 of 93 remaining) [2021-11-13 17:44:12,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (71 of 93 remaining) [2021-11-13 17:44:12,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (70 of 93 remaining) [2021-11-13 17:44:12,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (69 of 93 remaining) [2021-11-13 17:44:12,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (68 of 93 remaining) [2021-11-13 17:44:12,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (67 of 93 remaining) [2021-11-13 17:44:12,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (66 of 93 remaining) [2021-11-13 17:44:12,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (65 of 93 remaining) [2021-11-13 17:44:12,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (64 of 93 remaining) [2021-11-13 17:44:12,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (63 of 93 remaining) [2021-11-13 17:44:12,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (62 of 93 remaining) [2021-11-13 17:44:12,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (61 of 93 remaining) [2021-11-13 17:44:12,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (60 of 93 remaining) [2021-11-13 17:44:12,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (59 of 93 remaining) [2021-11-13 17:44:12,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (58 of 93 remaining) [2021-11-13 17:44:12,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (57 of 93 remaining) [2021-11-13 17:44:12,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (56 of 93 remaining) [2021-11-13 17:44:12,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (55 of 93 remaining) [2021-11-13 17:44:12,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (54 of 93 remaining) [2021-11-13 17:44:12,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (53 of 93 remaining) [2021-11-13 17:44:12,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (52 of 93 remaining) [2021-11-13 17:44:12,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (51 of 93 remaining) [2021-11-13 17:44:12,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (50 of 93 remaining) [2021-11-13 17:44:12,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (49 of 93 remaining) [2021-11-13 17:44:12,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (48 of 93 remaining) [2021-11-13 17:44:12,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (47 of 93 remaining) [2021-11-13 17:44:12,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (46 of 93 remaining) [2021-11-13 17:44:12,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (45 of 93 remaining) [2021-11-13 17:44:12,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (44 of 93 remaining) [2021-11-13 17:44:12,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (43 of 93 remaining) [2021-11-13 17:44:12,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (42 of 93 remaining) [2021-11-13 17:44:12,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (41 of 93 remaining) [2021-11-13 17:44:12,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (40 of 93 remaining) [2021-11-13 17:44:12,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (39 of 93 remaining) [2021-11-13 17:44:12,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (38 of 93 remaining) [2021-11-13 17:44:12,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (37 of 93 remaining) [2021-11-13 17:44:12,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (36 of 93 remaining) [2021-11-13 17:44:12,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (35 of 93 remaining) [2021-11-13 17:44:12,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (34 of 93 remaining) [2021-11-13 17:44:12,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (33 of 93 remaining) [2021-11-13 17:44:12,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (32 of 93 remaining) [2021-11-13 17:44:12,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (31 of 93 remaining) [2021-11-13 17:44:12,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (30 of 93 remaining) [2021-11-13 17:44:12,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err0REQUIRES_VIOLATION (29 of 93 remaining) [2021-11-13 17:44:12,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err1REQUIRES_VIOLATION (28 of 93 remaining) [2021-11-13 17:44:12,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err2REQUIRES_VIOLATION (27 of 93 remaining) [2021-11-13 17:44:12,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err3REQUIRES_VIOLATION (26 of 93 remaining) [2021-11-13 17:44:12,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err4REQUIRES_VIOLATION (25 of 93 remaining) [2021-11-13 17:44:12,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err5REQUIRES_VIOLATION (24 of 93 remaining) [2021-11-13 17:44:12,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (23 of 93 remaining) [2021-11-13 17:44:12,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (22 of 93 remaining) [2021-11-13 17:44:12,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (21 of 93 remaining) [2021-11-13 17:44:12,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (20 of 93 remaining) [2021-11-13 17:44:12,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (19 of 93 remaining) [2021-11-13 17:44:12,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (18 of 93 remaining) [2021-11-13 17:44:12,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE (17 of 93 remaining) [2021-11-13 17:44:12,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE (16 of 93 remaining) [2021-11-13 17:44:12,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE (15 of 93 remaining) [2021-11-13 17:44:12,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (14 of 93 remaining) [2021-11-13 17:44:12,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (13 of 93 remaining) [2021-11-13 17:44:12,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION (12 of 93 remaining) [2021-11-13 17:44:12,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION (11 of 93 remaining) [2021-11-13 17:44:12,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION (10 of 93 remaining) [2021-11-13 17:44:12,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION (9 of 93 remaining) [2021-11-13 17:44:12,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE (8 of 93 remaining) [2021-11-13 17:44:12,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE (7 of 93 remaining) [2021-11-13 17:44:12,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE (6 of 93 remaining) [2021-11-13 17:44:12,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE (5 of 93 remaining) [2021-11-13 17:44:12,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE (4 of 93 remaining) [2021-11-13 17:44:12,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE (3 of 93 remaining) [2021-11-13 17:44:12,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE (2 of 93 remaining) [2021-11-13 17:44:12,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE (1 of 93 remaining) [2021-11-13 17:44:12,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE (0 of 93 remaining) [2021-11-13 17:44:12,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:44:12,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:44:13,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:44:13,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt [2021-11-13 17:44:13,246 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:44:13,249 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:44:13,251 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-13 17:44:13,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:44:13 BoogieIcfgContainer [2021-11-13 17:44:13,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:44:13,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:44:13,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:44:13,260 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:44:13,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:42:55" (3/4) ... [2021-11-13 17:44:13,263 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 17:44:13,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:44:13,264 INFO L158 Benchmark]: Toolchain (without parser) took 80850.78ms. Allocated memory was 56.6MB in the beginning and 115.3MB in the end (delta: 58.7MB). Free memory was 32.5MB in the beginning and 67.3MB in the end (delta: -34.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-11-13 17:44:13,264 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:44:13,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1100.81ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 32.3MB in the beginning and 60.3MB in the end (delta: -28.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-13 17:44:13,265 INFO L158 Benchmark]: Boogie Preprocessor took 205.24ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 55.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:44:13,265 INFO L158 Benchmark]: RCFGBuilder took 1911.94ms. Allocated memory is still 86.0MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 50.5kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-13 17:44:13,266 INFO L158 Benchmark]: TraceAbstraction took 77622.21ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 54.9MB in the beginning and 67.3MB in the end (delta: -12.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-13 17:44:13,266 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 115.3MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:44:13,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1100.81ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 32.3MB in the beginning and 60.3MB in the end (delta: -28.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 205.24ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 55.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1911.94ms. Allocated memory is still 86.0MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 50.5kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 77622.21ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 54.9MB in the beginning and 67.3MB in the end (delta: -12.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 115.3MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 822]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 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: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: 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: 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: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: 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, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 77.5s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 490 SdHoareTripleChecker+Valid, 2604.23ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 461 mSDsluCounter, 3371 SdHoareTripleChecker+Invalid, 2194.06ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 680 IncrementalHoareTripleChecker+Unchecked, 2530 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 977 IncrementalHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 841 mSDtfsCounter, 977 mSolverCounterSat, 60.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 225 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 211 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 287 ConstructedInterpolants, 24 QuantifiedInterpolants, 1549 SizeOfPredicates, 8 NumberOfNonLiveVariables, 714 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 26/44 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 [2021-11-13 17:44:13,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f18275d-e4eb-46aa-83de-ae0c2b255a66/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN