./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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 c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:30:59,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:30:59,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:30:59,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:30:59,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:30:59,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:30:59,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:30:59,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:30:59,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:30:59,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:30:59,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:30:59,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:30:59,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:30:59,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:30:59,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:30:59,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:30:59,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:30:59,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:30:59,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:30:59,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:30:59,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:30:59,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:30:59,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:30:59,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:30:59,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:30:59,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:30:59,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:30:59,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:30:59,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:30:59,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:30:59,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:30:59,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:30:59,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:30:59,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:30:59,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:30:59,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:30:59,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:30:59,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:30:59,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:30:59,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:30:59,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:30:59,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-13 17:30:59,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:30:59,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:30:59,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:30:59,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:30:59,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:30:59,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:30:59,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:30:59,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:30:59,794 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:30:59,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:30:59,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:30:59,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:30:59,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:30:59,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:30:59,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:30:59,797 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 17:30:59,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 17:30:59,798 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 17:30:59,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:30:59,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 17:30:59,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:30:59,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:30:59,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:30:59,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:30:59,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:30:59,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:30:59,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:30:59,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:30:59,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:30:59,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:30:59,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:30:59,803 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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 [2021-11-13 17:31:00,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:31:00,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:31:00,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:31:00,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:31:00,094 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:31:00,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-13 17:31:00,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/abd9715ff/2e2f6cc202784628829ff94c585f72eb/FLAG0f270458c [2021-11-13 17:31:00,761 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:00,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-13 17:31:00,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/abd9715ff/2e2f6cc202784628829ff94c585f72eb/FLAG0f270458c [2021-11-13 17:31:01,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/abd9715ff/2e2f6cc202784628829ff94c585f72eb [2021-11-13 17:31:01,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:01,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 17:31:01,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:01,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:01,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:01,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7204ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01, skipping insertion in model container [2021-11-13 17:31:01,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:01,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:01,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:01,522 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 17:31:01,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e0d3dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01, skipping insertion in model container [2021-11-13 17:31:01,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:01,523 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 17:31:01,526 INFO L158 Benchmark]: Toolchain (without parser) took 498.75ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 70.8MB in the end (delta: -10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:31:01,527 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:31:01,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.28ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 70.8MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:31:01,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.28ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 70.8MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. 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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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 c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:31:03,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:31:03,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:31:03,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:31:03,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:31:03,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:31:03,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:31:03,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:31:03,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:31:03,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:31:03,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:31:03,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:31:03,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:31:03,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:31:03,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:31:03,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:31:03,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:31:03,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:31:03,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:31:03,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:31:03,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:31:03,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:31:03,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:31:03,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:31:03,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:31:03,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:31:03,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:31:03,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:31:03,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:31:03,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:31:03,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:31:03,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:31:03,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:31:03,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:31:03,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:31:03,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:31:03,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:31:03,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:31:03,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:31:03,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:31:03,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:31:03,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-13 17:31:03,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:31:03,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:31:03,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:31:03,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:31:03,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:31:03,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:31:03,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:31:03,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:31:03,962 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:31:03,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:31:03,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:31:03,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:31:03,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:31:03,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:31:03,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:31:03,963 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 17:31:03,963 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 17:31:03,964 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 17:31:03,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:31:03,964 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 17:31:03,964 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 17:31:03,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 17:31:03,965 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:31:03,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:31:03,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:31:03,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:31:03,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:31:03,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:03,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:31:03,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:31:03,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 17:31:03,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 17:31:03,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:31:03,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 17:31:03,967 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_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 [2021-11-13 17:31:04,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:31:04,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:31:04,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:31:04,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:31:04,316 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:31:04,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-13 17:31:04,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/82c2cd4bb/3262ee9fccfe4181aa0d279dcc40abf3/FLAG7ba248298 [2021-11-13 17:31:05,078 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:05,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-13 17:31:05,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/82c2cd4bb/3262ee9fccfe4181aa0d279dcc40abf3/FLAG7ba248298 [2021-11-13 17:31:05,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/data/82c2cd4bb/3262ee9fccfe4181aa0d279dcc40abf3 [2021-11-13 17:31:05,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:05,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 17:31:05,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:05,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:05,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:05,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:05" (1/1) ... [2021-11-13 17:31:05,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6551add3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:05, skipping insertion in model container [2021-11-13 17:31:05,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:05" (1/1) ... [2021-11-13 17:31:05,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:05,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:05,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:05,876 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 17:31:05,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:05,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:05,937 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:31:05,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:06,031 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:31:06,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06 WrapperNode [2021-11-13 17:31:06,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:06,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:31:06,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:31:06,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:31:06,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:31:06,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:31:06,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:31:06,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:31:06,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (1/1) ... [2021-11-13 17:31:06,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:06,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:31:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-13 17:31:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:31:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:31:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 17:31:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-13 17:31:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-13 17:31:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-13 17:31:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-13 17:31:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-13 17:31:06,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-13 17:31:06,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-13 17:31:06,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:31:06,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 17:31:06,231 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-13 17:31:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-13 17:31:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-13 17:31:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-13 17:31:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-13 17:31:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-13 17:31:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-13 17:31:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-13 17:31:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-13 17:31:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-13 17:31:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-13 17:31:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 17:31:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 17:31:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-13 17:31:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-13 17:31:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-13 17:31:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-13 17:31:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-13 17:31:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-13 17:31:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-13 17:31:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-13 17:31:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-13 17:31:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-13 17:31:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-13 17:31:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-13 17:31:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-13 17:31:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-13 17:31:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-13 17:31:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-13 17:31:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2021-11-13 17:31:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2021-11-13 17:31:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-13 17:31:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-13 17:31:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:31:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:31:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:31:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-13 17:31:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-13 17:31:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-13 17:31:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-13 17:31:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-13 17:31:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-13 17:31:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-13 17:31:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-13 17:31:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-13 17:31:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-13 17:31:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-13 17:31:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-13 17:31:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-13 17:31:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-13 17:31:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-13 17:31:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-13 17:31:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-13 17:31:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-13 17:31:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-13 17:31:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-13 17:31:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-13 17:31:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-13 17:31:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-13 17:31:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-13 17:31:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-13 17:31:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-13 17:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-13 17:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-13 17:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-13 17:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-13 17:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-13 17:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-13 17:31:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-13 17:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-13 17:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-13 17:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-13 17:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-13 17:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-13 17:31:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-13 17:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-13 17:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-13 17:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-13 17:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-13 17:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-13 17:31:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-13 17:31:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-13 17:31:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-13 17:31:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-13 17:31:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-13 17:31:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-13 17:31:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-13 17:31:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-13 17:31:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-13 17:31:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-13 17:31:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-13 17:31:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-13 17:31:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-13 17:31:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-13 17:31:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-13 17:31:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-13 17:31:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-13 17:31:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-13 17:31:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-13 17:31:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-13 17:31:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-13 17:31:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-13 17:31:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-13 17:31:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-13 17:31:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-13 17:31:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-13 17:31:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-13 17:31:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-13 17:31:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-13 17:31:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-13 17:31:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-13 17:31:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-13 17:31:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-13 17:31:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-13 17:31:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-13 17:31:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-13 17:31:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-13 17:31:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-13 17:31:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-13 17:31:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-13 17:31:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-13 17:31:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-13 17:31:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-13 17:31:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-13 17:31:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-13 17:31:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-13 17:31:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-13 17:31:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-13 17:31:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-13 17:31:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-13 17:31:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-13 17:31:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-13 17:31:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-13 17:31:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-13 17:31:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-13 17:31:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-13 17:31:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-13 17:31:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-13 17:31:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-13 17:31:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-13 17:31:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-13 17:31:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-13 17:31:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-13 17:31:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 17:31:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-13 17:31:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-13 17:31:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-13 17:31:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-13 17:31:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-13 17:31:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:31:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:31:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 17:31:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:31:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-13 17:31:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:31:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-13 17:31:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-13 17:31:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-13 17:31:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:31:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-13 17:31:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-13 17:31:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-13 17:31:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-13 17:31:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:31:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-13 17:31:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:31:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-13 17:31:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-13 17:31:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 17:31:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 17:31:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-13 17:31:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 17:31:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 17:31:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-13 17:31:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-13 17:31:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:31:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-13 17:31:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-13 17:31:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-13 17:31:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-13 17:31:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-13 17:31:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-13 17:31:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-13 17:31:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-13 17:31:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-13 17:31:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-13 17:31:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-13 17:31:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:31:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-13 17:31:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-13 17:31:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2021-11-13 17:31:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2021-11-13 17:31:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-13 17:31:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-13 17:31:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-13 17:31:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:31:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:31:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:31:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 17:31:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 17:31:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 17:31:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:31:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:31:06,925 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 17:31:07,286 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 17:31:07,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:31:07,559 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 17:31:07,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:07 BoogieIcfgContainer [2021-11-13 17:31:07,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:31:07,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:31:07,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:31:07,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:31:07,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:05" (1/3) ... [2021-11-13 17:31:07,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e152179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:07, skipping insertion in model container [2021-11-13 17:31:07,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:06" (2/3) ... [2021-11-13 17:31:07,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e152179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:07, skipping insertion in model container [2021-11-13 17:31:07,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:07" (3/3) ... [2021-11-13 17:31:07,574 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2021-11-13 17:31:07,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:31:07,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-11-13 17:31:07,633 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:31:07,640 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 17:31:07,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-11-13 17:31:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 81 states have internal predecessors, (89), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-13 17:31:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 17:31:07,686 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:07,686 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:07,687 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_16Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 17:31:07,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:07,698 INFO L85 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2021-11-13 17:31:07,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:07,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723608058] [2021-11-13 17:31:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:07,711 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:07,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:07,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 17:31:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:31:07,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:08,115 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 17:31:08,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:08,276 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 17:31:08,277 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:08,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723608058] [2021-11-13 17:31:08,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723608058] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:08,278 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:08,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2021-11-13 17:31:08,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086060559] [2021-11-13 17:31:08,281 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:08,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:31:08,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:08,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:31:08,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:31:08,323 INFO L87 Difference]: Start difference. First operand has 107 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 81 states have internal predecessors, (89), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:08,463 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2021-11-13 17:31:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:31:08,469 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-13 17:31:08,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:31:08,481 INFO L225 Difference]: With dead ends: 49 [2021-11-13 17:31:08,481 INFO L226 Difference]: Without dead ends: 46 [2021-11-13 17:31:08,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:31:08,501 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 12 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.04ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.99ms IncrementalHoareTripleChecker+Time [2021-11-13 17:31:08,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 223 Invalid, 43 Unknown, 0 Unchecked, 9.04ms Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 63.99ms Time] [2021-11-13 17:31:08,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-13 17:31:08,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2021-11-13 17:31:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 24 states have (on average 1.25) internal successors, (30), 28 states have internal predecessors, (30), 7 states have call successors, (7), 7 states have call predecessors, (7), 7 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2021-11-13 17:31:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2021-11-13 17:31:08,555 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2021-11-13 17:31:08,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:31:08,555 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2021-11-13 17:31:08,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2021-11-13 17:31:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:31:08,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:08,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:08,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:08,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:08,774 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 70 more)] === [2021-11-13 17:31:08,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2021-11-13 17:31:08,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:08,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019630903] [2021-11-13 17:31:08,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:08,782 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:08,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:08,783 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:08,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 17:31:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:09,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:31:09,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:09,063 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 17:31:09,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:09,192 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 17:31:09,192 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:09,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019630903] [2021-11-13 17:31:09,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019630903] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:09,193 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:09,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 17:31:09,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087969103] [2021-11-13 17:31:09,194 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:09,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:31:09,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:31:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:31:09,197 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 17:31:09,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:09,246 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2021-11-13 17:31:09,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:31:09,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-11-13 17:31:09,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:31:09,250 INFO L225 Difference]: With dead ends: 54 [2021-11-13 17:31:09,251 INFO L226 Difference]: Without dead ends: 43 [2021-11-13 17:31:09,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 17:31:09,257 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.96ms IncrementalHoareTripleChecker+Time [2021-11-13 17:31:09,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 40 Invalid, 21 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 35.96ms Time] [2021-11-13 17:31:09,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-13 17:31:09,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-13 17:31:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 29 states have internal predecessors, (29), 7 states have call successors, (7), 6 states have call predecessors, (7), 8 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 17:31:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-11-13 17:31:09,283 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2021-11-13 17:31:09,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:31:09,283 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-11-13 17:31:09,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 17:31:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-11-13 17:31:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 17:31:09,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:09,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:09,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-13 17:31:09,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:09,496 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_16Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 17:31:09,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:09,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2021-11-13 17:31:09,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:09,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846824575] [2021-11-13 17:31:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:09,497 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:09,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:09,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 17:31:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:09,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:31:09,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:09,755 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 17:31:09,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:09,888 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 17:31:09,888 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:09,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846824575] [2021-11-13 17:31:09,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846824575] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:09,889 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:09,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-13 17:31:09,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58841267] [2021-11-13 17:31:09,889 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:09,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:31:09,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:09,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:31:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:31:09,890 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 9 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:31:09,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:09,941 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2021-11-13 17:31:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:31:09,943 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2021-11-13 17:31:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:31:09,944 INFO L225 Difference]: With dead ends: 42 [2021-11-13 17:31:09,945 INFO L226 Difference]: Without dead ends: 42 [2021-11-13 17:31:09,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:31:09,946 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 17 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.30ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.08ms IncrementalHoareTripleChecker+Time [2021-11-13 17:31:09,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 210 Invalid, 34 Unknown, 0 Unchecked, 2.30ms Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 35.08ms Time] [2021-11-13 17:31:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-13 17:31:09,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-11-13 17:31:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 28 states have internal predecessors, (28), 7 states have call successors, (7), 6 states have call predecessors, (7), 8 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 17:31:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2021-11-13 17:31:09,954 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2021-11-13 17:31:09,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:31:09,954 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2021-11-13 17:31:09,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:31:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2021-11-13 17:31:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 17:31:09,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:09,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:09,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 17:31:10,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:10,174 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_16Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 17:31:10,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:10,175 INFO L85 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2021-11-13 17:31:10,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:10,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171395959] [2021-11-13 17:31:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:10,176 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:10,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:10,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:10,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 17:31:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:10,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 17:31:10,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:10,622 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 17:31:10,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:10,999 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 17:31:10,999 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:11,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171395959] [2021-11-13 17:31:11,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171395959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:11,000 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:11,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-11-13 17:31:11,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987069968] [2021-11-13 17:31:11,000 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:11,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-13 17:31:11,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:11,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-13 17:31:11,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-11-13 17:31:11,001 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 17 states, 14 states have (on average 2.142857142857143) internal successors, (30), 11 states have internal predecessors, (30), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 17:31:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:11,396 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2021-11-13 17:31:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 17:31:11,398 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 2.142857142857143) internal successors, (30), 11 states have internal predecessors, (30), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 24 [2021-11-13 17:31:11,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:31:11,399 INFO L225 Difference]: With dead ends: 53 [2021-11-13 17:31:11,399 INFO L226 Difference]: Without dead ends: 51 [2021-11-13 17:31:11,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-11-13 17:31:11,400 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 66 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 219.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.65ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.37ms IncrementalHoareTripleChecker+Time [2021-11-13 17:31:11,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 162 Invalid, 202 Unknown, 0 Unchecked, 2.65ms Time], IncrementalHoareTripleChecker [10 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 265.37ms Time] [2021-11-13 17:31:11,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-13 17:31:11,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2021-11-13 17:31:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 31 states have internal predecessors, (33), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-13 17:31:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2021-11-13 17:31:11,414 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2021-11-13 17:31:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:31:11,415 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2021-11-13 17:31:11,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 2.142857142857143) internal successors, (30), 11 states have internal predecessors, (30), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 17:31:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-11-13 17:31:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 17:31:11,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:11,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:11,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:11,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:11,628 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 17:31:11,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:11,629 INFO L85 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2021-11-13 17:31:11,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:11,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526728141] [2021-11-13 17:31:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:11,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:11,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:11,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 17:31:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:11,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 17:31:11,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:11,842 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 17:31:11,952 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 17:31:11,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:12,146 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 17:31:12,147 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:12,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526728141] [2021-11-13 17:31:12,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526728141] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:12,147 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:12,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-13 17:31:12,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247152696] [2021-11-13 17:31:12,148 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:12,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:31:12,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:12,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:31:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:31:12,150 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 9 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:31:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:12,293 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2021-11-13 17:31:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:31:12,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2021-11-13 17:31:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:31:12,296 INFO L225 Difference]: With dead ends: 50 [2021-11-13 17:31:12,296 INFO L226 Difference]: Without dead ends: 50 [2021-11-13 17:31:12,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:31:12,297 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.46ms IncrementalHoareTripleChecker+Time [2021-11-13 17:31:12,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 168 Invalid, 102 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 117.46ms Time] [2021-11-13 17:31:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-13 17:31:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2021-11-13 17:31:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.103448275862069) internal successors, (32), 31 states have internal predecessors, (32), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-13 17:31:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2021-11-13 17:31:12,304 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2021-11-13 17:31:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:31:12,304 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2021-11-13 17:31:12,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:31:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-11-13 17:31:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 17:31:12,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:12,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:12,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:12,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:12,506 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 17:31:12,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:12,506 INFO L85 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2021-11-13 17:31:12,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:12,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034755556] [2021-11-13 17:31:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:12,507 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:12,508 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:12,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 17:31:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:12,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:31:12,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:12,757 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 17:31:12,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:12,870 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 17:31:12,870 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:12,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2034755556] [2021-11-13 17:31:12,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2034755556] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:12,871 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:12,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-13 17:31:12,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377312458] [2021-11-13 17:31:12,871 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:12,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:31:12,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:31:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:31:12,873 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand has 9 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:31:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:12,939 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2021-11-13 17:31:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:31:12,941 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2021-11-13 17:31:12,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:31:12,942 INFO L225 Difference]: With dead ends: 47 [2021-11-13 17:31:12,942 INFO L226 Difference]: Without dead ends: 47 [2021-11-13 17:31:12,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:31:12,943 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 9 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.30ms IncrementalHoareTripleChecker+Time [2021-11-13 17:31:12,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 313 Invalid, 49 Unknown, 0 Unchecked, 2.09ms Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 48.30ms Time] [2021-11-13 17:31:12,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-13 17:31:12,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-11-13 17:31:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 30 states have internal predecessors, (31), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-13 17:31:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2021-11-13 17:31:12,949 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2021-11-13 17:31:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:31:12,949 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2021-11-13 17:31:12,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:31:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2021-11-13 17:31:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 17:31:12,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:12,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:12,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:13,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:13,175 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 17:31:13,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:13,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2021-11-13 17:31:13,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:13,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323200278] [2021-11-13 17:31:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:13,176 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:13,177 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:13,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 17:31:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:13,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:31:13,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:13,408 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 17:31:13,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:13,632 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 17:31:13,632 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:13,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323200278] [2021-11-13 17:31:13,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323200278] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:13,633 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:13,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-13 17:31:13,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020606611] [2021-11-13 17:31:13,633 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:13,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:31:13,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:31:13,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:31:13,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:31:13,635 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 17:31:13,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:13,703 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2021-11-13 17:31:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:31:13,704 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2021-11-13 17:31:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:31:13,705 INFO L225 Difference]: With dead ends: 47 [2021-11-13 17:31:13,705 INFO L226 Difference]: Without dead ends: 45 [2021-11-13 17:31:13,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:31:13,706 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 11 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.91ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.75ms IncrementalHoareTripleChecker+Time [2021-11-13 17:31:13,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 162 Invalid, 35 Unknown, 0 Unchecked, 1.91ms Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 40.75ms Time] [2021-11-13 17:31:13,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-13 17:31:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2021-11-13 17:31:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 17:31:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2021-11-13 17:31:13,710 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2021-11-13 17:31:13,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:31:13,711 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2021-11-13 17:31:13,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-13 17:31:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2021-11-13 17:31:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 17:31:13,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:13,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:13,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:13,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:31:13,921 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 70 more)] === [2021-11-13 17:31:13,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:13,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2021-11-13 17:31:13,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:31:13,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199428172] [2021-11-13 17:31:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:13,923 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:31:13,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:31:13,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:31:13,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 17:31:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:14,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 17:31:14,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:14,081 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-13 17:31:14,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-11-13 17:31:18,667 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 17:31:18,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:31,520 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))) (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~1.base_20 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_20)))))))))))))))) is different from false [2021-11-13 17:31:31,532 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:31:31,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199428172] [2021-11-13 17:31:31,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_11|] [2021-11-13 17:31:31,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [172633015] [2021-11-13 17:31:31,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:31,533 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 17:31:31,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/cvc4 [2021-11-13 17:31:31,536 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 17:31:31,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-13 17:31:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:31,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 17:31:31,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:31,801 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-13 17:31:31,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2021-11-13 17:31:32,154 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 17:31:32,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:36,462 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|) (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |c_old(#valid)| v_entry_point_~p~1.base_20 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_20)))))))))))))))) is different from false [2021-11-13 17:31:37,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_17|] [2021-11-13 17:31:37,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184860045] [2021-11-13 17:31:37,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:37,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:37,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:37,471 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:31:37,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 17:31:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 17:31:37,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:39,847 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 17:31:39,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:44,401 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_23| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_23| (store |c_old(#valid)| v_entry_point_~p~1.base_20 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_20)))))))))))))) (= |v_old(#valid)_BEFORE_CALL_23| |c_#valid|))) is different from false [2021-11-13 17:31:44,503 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_23| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_23| (store |c_old(#valid)| v_entry_point_~p~1.base_20 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_20)))))))))))))) (= |v_old(#valid)_BEFORE_CALL_23| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))))) is different from false [2021-11-13 17:31:44,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_23|] [2021-11-13 17:31:44,508 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:44,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-13 17:31:44,508 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-13 17:31:44,509 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-13 17:31:44,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (73 of 74 remaining) [2021-11-13 17:31:44,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (72 of 74 remaining) [2021-11-13 17:31:44,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (71 of 74 remaining) [2021-11-13 17:31:44,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (70 of 74 remaining) [2021-11-13 17:31:44,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (69 of 74 remaining) [2021-11-13 17:31:44,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (68 of 74 remaining) [2021-11-13 17:31:44,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (67 of 74 remaining) [2021-11-13 17:31:44,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (66 of 74 remaining) [2021-11-13 17:31:44,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (65 of 74 remaining) [2021-11-13 17:31:44,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (64 of 74 remaining) [2021-11-13 17:31:44,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (63 of 74 remaining) [2021-11-13 17:31:44,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (62 of 74 remaining) [2021-11-13 17:31:44,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (61 of 74 remaining) [2021-11-13 17:31:44,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (60 of 74 remaining) [2021-11-13 17:31:44,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (59 of 74 remaining) [2021-11-13 17:31:44,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (58 of 74 remaining) [2021-11-13 17:31:44,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (57 of 74 remaining) [2021-11-13 17:31:44,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (56 of 74 remaining) [2021-11-13 17:31:44,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (55 of 74 remaining) [2021-11-13 17:31:44,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (54 of 74 remaining) [2021-11-13 17:31:44,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (53 of 74 remaining) [2021-11-13 17:31:44,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (52 of 74 remaining) [2021-11-13 17:31:44,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (51 of 74 remaining) [2021-11-13 17:31:44,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (50 of 74 remaining) [2021-11-13 17:31:44,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (49 of 74 remaining) [2021-11-13 17:31:44,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (48 of 74 remaining) [2021-11-13 17:31:44,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (47 of 74 remaining) [2021-11-13 17:31:44,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (46 of 74 remaining) [2021-11-13 17:31:44,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (45 of 74 remaining) [2021-11-13 17:31:44,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (44 of 74 remaining) [2021-11-13 17:31:44,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (43 of 74 remaining) [2021-11-13 17:31:44,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (42 of 74 remaining) [2021-11-13 17:31:44,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (41 of 74 remaining) [2021-11-13 17:31:44,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (40 of 74 remaining) [2021-11-13 17:31:44,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (39 of 74 remaining) [2021-11-13 17:31:44,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (38 of 74 remaining) [2021-11-13 17:31:44,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (37 of 74 remaining) [2021-11-13 17:31:44,524 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (36 of 74 remaining) [2021-11-13 17:31:44,524 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (35 of 74 remaining) [2021-11-13 17:31:44,524 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (34 of 74 remaining) [2021-11-13 17:31:44,524 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (33 of 74 remaining) [2021-11-13 17:31:44,524 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (32 of 74 remaining) [2021-11-13 17:31:44,525 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (31 of 74 remaining) [2021-11-13 17:31:44,525 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (30 of 74 remaining) [2021-11-13 17:31:44,525 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (29 of 74 remaining) [2021-11-13 17:31:44,525 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (28 of 74 remaining) [2021-11-13 17:31:44,525 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (27 of 74 remaining) [2021-11-13 17:31:44,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (26 of 74 remaining) [2021-11-13 17:31:44,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (25 of 74 remaining) [2021-11-13 17:31:44,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (24 of 74 remaining) [2021-11-13 17:31:44,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (23 of 74 remaining) [2021-11-13 17:31:44,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (22 of 74 remaining) [2021-11-13 17:31:44,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (21 of 74 remaining) [2021-11-13 17:31:44,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (20 of 74 remaining) [2021-11-13 17:31:44,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (19 of 74 remaining) [2021-11-13 17:31:44,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (18 of 74 remaining) [2021-11-13 17:31:44,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (17 of 74 remaining) [2021-11-13 17:31:44,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (16 of 74 remaining) [2021-11-13 17:31:44,528 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (15 of 74 remaining) [2021-11-13 17:31:44,528 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (14 of 74 remaining) [2021-11-13 17:31:44,528 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (13 of 74 remaining) [2021-11-13 17:31:44,528 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (12 of 74 remaining) [2021-11-13 17:31:44,528 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (11 of 74 remaining) [2021-11-13 17:31:44,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (10 of 74 remaining) [2021-11-13 17:31:44,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (9 of 74 remaining) [2021-11-13 17:31:44,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (8 of 74 remaining) [2021-11-13 17:31:44,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (7 of 74 remaining) [2021-11-13 17:31:44,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (6 of 74 remaining) [2021-11-13 17:31:44,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (5 of 74 remaining) [2021-11-13 17:31:44,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (4 of 74 remaining) [2021-11-13 17:31:44,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (3 of 74 remaining) [2021-11-13 17:31:44,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err0ASSERT_VIOLATIONMEMORY_FREE (2 of 74 remaining) [2021-11-13 17:31:44,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err1ASSERT_VIOLATIONMEMORY_FREE (1 of 74 remaining) [2021-11-13 17:31:44,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err2ASSERT_VIOLATIONMEMORY_FREE (0 of 74 remaining) [2021-11-13 17:31:44,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:45,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:45,154 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:45,165 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:31:45,168 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-13 17:31:45,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:31:45 BoogieIcfgContainer [2021-11-13 17:31:45,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:31:45,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:31:45,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:31:45,198 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:31:45,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:07" (3/4) ... [2021-11-13 17:31:45,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 17:31:45,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:31:45,218 INFO L158 Benchmark]: Toolchain (without parser) took 39824.00ms. Allocated memory was 73.4MB in the beginning and 132.1MB in the end (delta: 58.7MB). Free memory was 49.3MB in the beginning and 49.8MB in the end (delta: -545.4kB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2021-11-13 17:31:45,219 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:31:45,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.52ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 39.7MB in the end (delta: 9.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-13 17:31:45,220 INFO L158 Benchmark]: Boogie Preprocessor took 91.38ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 35.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:31:45,220 INFO L158 Benchmark]: RCFGBuilder took 1436.50ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-13 17:31:45,221 INFO L158 Benchmark]: TraceAbstraction took 37634.15ms. Allocated memory was 73.4MB in the beginning and 132.1MB in the end (delta: 58.7MB). Free memory was 33.0MB in the beginning and 50.2MB in the end (delta: -17.2MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-11-13 17:31:45,221 INFO L158 Benchmark]: Witness Printer took 20.00ms. Allocated memory is still 132.1MB. Free memory was 50.2MB in the beginning and 49.8MB in the end (delta: 380.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:31:45,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.52ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 39.7MB in the end (delta: 9.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.38ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 35.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1436.50ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 37634.15ms. Allocated memory was 73.4MB in the beginning and 132.1MB in the end (delta: 58.7MB). Free memory was 33.0MB in the beginning and 50.2MB in the end (delta: -17.2MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 20.00ms. Allocated memory is still 132.1MB. Free memory was 50.2MB in the beginning and 49.8MB in the end (delta: 380.5kB). 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: 777]: 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 777. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L778] CALL entry_point() [L773] int condition = __VERIFIER_nondet_int(); [L774] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; [L774] RET, EXPR alloc_16(condition) [L774] struct A16 *p = alloc_16(condition); [L775] CALL free_16(p, condition) [L768] COND TRUE \read(condition) [L769] free(p) [L769] free(p) [L769] free(p) [L775] RET free_16(p, condition) [L778] 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: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 769]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 769]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 769]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 347 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 37.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 606.92ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 1278 SdHoareTripleChecker+Invalid, 494.83ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1061 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 217 mSDtfsCounter, 468 mSolverCounterSat, 21.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 260 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 29 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 339 ConstructedInterpolants, 7 QuantifiedInterpolants, 1332 SizeOfPredicates, 17 NumberOfNonLiveVariables, 671 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-13 17:31:45,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d20328-e11d-49c2-a53c-fd8bfcacca2f/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