./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt --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 79a252c986c7b06f14f3ee394685573049ad76fb ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt --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 79a252c986c7b06f14f3ee394685573049ad76fb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:02:25,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:02:25,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:02:25,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:02:25,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:02:25,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:02:25,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:02:25,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:02:25,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:02:25,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:02:25,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:02:25,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:02:25,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:02:25,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:02:25,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:02:25,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:02:25,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:02:25,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:02:25,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:02:25,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:02:25,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:02:25,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:02:25,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:02:25,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:02:25,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:02:25,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:02:25,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:02:25,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:02:25,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:02:25,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:02:25,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:02:25,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:02:25,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:02:25,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:02:25,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:02:25,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:02:25,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:02:25,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:02:25,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:02:25,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:02:25,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:02:25,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-13 01:02:25,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:02:25,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:02:25,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:02:25,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:02:25,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:02:25,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:02:25,818 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:02:25,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:02:25,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:02:25,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:02:25,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:02:25,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:02:25,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:02:25,819 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:02:25,819 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:02:25,820 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:02:25,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:02:25,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:02:25,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:02:25,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:02:25,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:02:25,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:02:25,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:02:25,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:25,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:02:25,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:02:25,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:02:25,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:02:25,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:02:25,823 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_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79a252c986c7b06f14f3ee394685573049ad76fb [2021-10-13 01:02:26,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:02:26,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:02:26,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:02:26,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:02:26,129 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:02:26,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-13 01:02:26,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/2d6df76a5/613d087c5d964d689c04fce38f26e1f2/FLAG4ac5406fa [2021-10-13 01:02:26,821 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:02:26,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-13 01:02:26,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/2d6df76a5/613d087c5d964d689c04fce38f26e1f2/FLAG4ac5406fa [2021-10-13 01:02:27,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/2d6df76a5/613d087c5d964d689c04fce38f26e1f2 [2021-10-13 01:02:27,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:02:27,130 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:02:27,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:27,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:02:27,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:02:27,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:27" (1/1) ... [2021-10-13 01:02:27,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5166d863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:27, skipping insertion in model container [2021-10-13 01:02:27,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:27" (1/1) ... [2021-10-13 01:02:27,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:02:27,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:02:27,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:27,786 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 01:02:27,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@372f782d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:27, skipping insertion in model container [2021-10-13 01:02:27,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:27,787 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 01:02:27,791 INFO L168 Benchmark]: Toolchain (without parser) took 658.67 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.3 MB in the beginning and 75.1 MB in the end (delta: -27.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,792 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 65.2 MB in the beginning and 65.1 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:02:27,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.79 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.2 MB in the beginning and 75.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 65.2 MB in the beginning and 65.1 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.79 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.2 MB in the beginning and 75.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:02:30,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:02:30,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:02:30,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:02:30,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:02:30,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:02:30,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:02:30,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:02:30,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:02:30,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:02:30,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:02:30,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:02:30,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:02:30,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:02:30,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:02:30,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:02:30,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:02:30,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:02:30,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:02:30,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:02:30,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:02:30,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:02:30,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:02:30,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:02:30,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:02:30,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:02:30,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:02:30,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:02:30,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:02:30,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:02:30,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:02:30,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:02:30,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:02:30,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:02:30,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:02:30,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:02:30,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:02:30,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:02:30,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:02:30,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:02:30,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:02:30,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 01:02:30,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:02:30,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:02:30,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:02:30,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:02:30,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:02:30,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:02:30,410 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:02:30,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:02:30,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:02:30,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:02:30,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:02:30,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:02:30,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:02:30,413 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:02:30,413 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:02:30,414 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:02:30,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:02:30,414 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:02:30,414 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 01:02:30,415 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 01:02:30,415 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:02:30,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:02:30,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:02:30,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:02:30,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:02:30,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:30,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:02:30,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:02:30,417 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 01:02:30,417 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 01:02:30,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:02:30,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 01:02:30,418 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_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79a252c986c7b06f14f3ee394685573049ad76fb [2021-10-13 01:02:30,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:02:30,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:02:30,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:02:30,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:02:30,843 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:02:30,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-13 01:02:30,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/ae9664d08/6b6b620330a14637b15a48a1f6dc5f39/FLAG3bde0e06c [2021-10-13 01:02:31,703 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:02:31,704 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-13 01:02:31,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/ae9664d08/6b6b620330a14637b15a48a1f6dc5f39/FLAG3bde0e06c [2021-10-13 01:02:31,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/data/ae9664d08/6b6b620330a14637b15a48a1f6dc5f39 [2021-10-13 01:02:31,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:02:31,736 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:02:31,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:31,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:02:31,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:02:31,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:31" (1/1) ... [2021-10-13 01:02:31,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b712cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:31, skipping insertion in model container [2021-10-13 01:02:31,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:31" (1/1) ... [2021-10-13 01:02:31,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:02:31,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:02:32,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:32,342 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 01:02:32,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:02:32,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:32,470 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:02:32,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:32,634 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:02:32,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32 WrapperNode [2021-10-13 01:02:32,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:32,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:02:32,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:02:32,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:02:32,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:02:32,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:02:32,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:02:32,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:02:32,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (1/1) ... [2021-10-13 01:02:32,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:32,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:02:32,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:02:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 01:02:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:02:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 01:02:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 01:02:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 01:02:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 01:02:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-13 01:02:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-13 01:02:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-13 01:02:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-13 01:02:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-13 01:02:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-13 01:02:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-13 01:02:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-13 01:02:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 01:02:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-13 01:02:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 01:02:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-13 01:02:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 01:02:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-13 01:02:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-13 01:02:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-13 01:02:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-13 01:02:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-13 01:02:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-13 01:02:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-13 01:02:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-13 01:02:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-13 01:02:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-13 01:02:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-13 01:02:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-13 01:02:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-13 01:02:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-13 01:02:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-13 01:02:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-13 01:02:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-13 01:02:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-13 01:02:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-13 01:02:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-13 01:02:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-13 01:02:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 01:02:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 01:02:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2021-10-13 01:02:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2021-10-13 01:02:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-13 01:02:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 01:02:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-13 01:02:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-13 01:02:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 01:02:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 01:02:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 01:02:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 01:02:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 01:02:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 01:02:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 01:02:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 01:02:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 01:02:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 01:02:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 01:02:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 01:02:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 01:02:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 01:02:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 01:02:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 01:02:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 01:02:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 01:02:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 01:02:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-13 01:02:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-13 01:02:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-13 01:02:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 01:02:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 01:02:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 01:02:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 01:02:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 01:02:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 01:02:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 01:02:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 01:02:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 01:02:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 01:02:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 01:02:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 01:02:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 01:02:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 01:02:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 01:02:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 01:02:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 01:02:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 01:02:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 01:02:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 01:02:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 01:02:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 01:02:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 01:02:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 01:02:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 01:02:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 01:02:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 01:02:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 01:02:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 01:02:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 01:02:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 01:02:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 01:02:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 01:02:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 01:02:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 01:02:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 01:02:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 01:02:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 01:02:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 01:02:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 01:02:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 01:02:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 01:02:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 01:02:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 01:02:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 01:02:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 01:02:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 01:02:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 01:02:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 01:02:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 01:02:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 01:02:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 01:02:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 01:02:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 01:02:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 01:02:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 01:02:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 01:02:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 01:02:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 01:02:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 01:02:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 01:02:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 01:02:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 01:02:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 01:02:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 01:02:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 01:02:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 01:02:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 01:02:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 01:02:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 01:02:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 01:02:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 01:02:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 01:02:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 01:02:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 01:02:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 01:02:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 01:02:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 01:02:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 01:02:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 01:02:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 01:02:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 01:02:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 01:02:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 01:02:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 01:02:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 01:02:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-13 01:02:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 01:02:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-13 01:02:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-13 01:02:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 01:02:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 01:02:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-13 01:02:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:02:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-13 01:02:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-13 01:02:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-13 01:02:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:02:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 01:02:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-13 01:02:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 01:02:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:02:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-13 01:02:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 01:02:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-13 01:02:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-13 01:02:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 01:02:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-13 01:02:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:02:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-13 01:02:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-13 01:02:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-13 01:02:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-13 01:02:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-13 01:02:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-13 01:02:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-13 01:02:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-13 01:02:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-13 01:02:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-13 01:02:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-13 01:02:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-13 01:02:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-13 01:02:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-13 01:02:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 01:02:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 01:02:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2021-10-13 01:02:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2021-10-13 01:02:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-13 01:02:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 01:02:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 01:02:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:02:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 01:02:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:02:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 01:02:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 01:02:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 01:02:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 01:02:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 01:02:33,643 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 01:02:33,997 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 01:02:34,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:02:34,288 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-13 01:02:34,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:34 BoogieIcfgContainer [2021-10-13 01:02:34,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:02:34,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:02:34,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:02:34,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:02:34,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:02:31" (1/3) ... [2021-10-13 01:02:34,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37551abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:34, skipping insertion in model container [2021-10-13 01:02:34,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:32" (2/3) ... [2021-10-13 01:02:34,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37551abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:34, skipping insertion in model container [2021-10-13 01:02:34,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:34" (3/3) ... [2021-10-13 01:02:34,304 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2021-10-13 01:02:34,310 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:02:34,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-13 01:02:34,383 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:02:34,392 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 01:02:34,392 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-13 01:02:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-10-13 01:02:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 01:02:34,440 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:34,440 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:34,441 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_8Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-13 01:02:34,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:34,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1046257618, now seen corresponding path program 1 times [2021-10-13 01:02:34,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:02:34,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017157109] [2021-10-13 01:02:34,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:34,464 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:02:34,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:02:34,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:02:34,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 01:02:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:34,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:02:34,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:34,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:02:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:34,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:02:34,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017157109] [2021-10-13 01:02:34,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017157109] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:34,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:34,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 01:02:34,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469029105] [2021-10-13 01:02:34,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:02:35,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:02:35,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:02:35,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:35,021 INFO L87 Difference]: Start difference. First operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-13 01:02:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:35,101 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-10-13 01:02:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:02:35,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 18 [2021-10-13 01:02:35,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:35,111 INFO L225 Difference]: With dead ends: 33 [2021-10-13 01:02:35,111 INFO L226 Difference]: Without dead ends: 30 [2021-10-13 01:02:35,113 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.1ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:02:35,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-13 01:02:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-13 01:02:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-13 01:02:35,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-10-13 01:02:35,174 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2021-10-13 01:02:35,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:35,175 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-10-13 01:02:35,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-13 01:02:35,175 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-10-13 01:02:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 01:02:35,177 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:35,177 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:35,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:35,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:02:35,390 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_8Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-13 01:02:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:35,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1925752517, now seen corresponding path program 1 times [2021-10-13 01:02:35,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:02:35,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148965209] [2021-10-13 01:02:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:35,391 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:02:35,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:02:35,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:02:35,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 01:02:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:35,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:02:35,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:35,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:02:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:36,029 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:02:36,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148965209] [2021-10-13 01:02:36,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148965209] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:36,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:36,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-13 01:02:36,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389653675] [2021-10-13 01:02:36,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 01:02:36,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:02:36,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 01:02:36,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:02:36,033 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-13 01:02:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:36,305 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-10-13 01:02:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:02:36,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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 19 [2021-10-13 01:02:36,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:36,307 INFO L225 Difference]: With dead ends: 43 [2021-10-13 01:02:36,307 INFO L226 Difference]: Without dead ends: 43 [2021-10-13 01:02:36,308 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 166.7ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-13 01:02:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-13 01:02:36,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-13 01:02:36,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 7 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-13 01:02:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-10-13 01:02:36,319 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2021-10-13 01:02:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:36,320 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-10-13 01:02:36,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-13 01:02:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-10-13 01:02:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 01:02:36,322 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:36,322 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:36,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:36,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:02:36,537 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-13 01:02:36,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:36,538 INFO L82 PathProgramCache]: Analyzing trace with hash -431213808, now seen corresponding path program 1 times [2021-10-13 01:02:36,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:02:36,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89102533] [2021-10-13 01:02:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:36,541 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:02:36,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:02:36,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:02:36,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 01:02:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:36,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:02:36,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:36,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 01:02:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:36,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:02:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:37,009 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:02:37,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89102533] [2021-10-13 01:02:37,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89102533] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:37,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:37,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 01:02:37,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319136592] [2021-10-13 01:02:37,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:02:37,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:02:37,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:02:37,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:37,011 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-10-13 01:02:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:37,066 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-10-13 01:02:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:02:37,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 20 [2021-10-13 01:02:37,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:37,070 INFO L225 Difference]: With dead ends: 46 [2021-10-13 01:02:37,070 INFO L226 Difference]: Without dead ends: 46 [2021-10-13 01:02:37,070 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:37,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-13 01:02:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-13 01:02:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-13 01:02:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2021-10-13 01:02:37,078 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 20 [2021-10-13 01:02:37,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:37,078 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2021-10-13 01:02:37,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-10-13 01:02:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-10-13 01:02:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 01:02:37,079 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:37,080 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:37,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:37,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:02:37,294 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-13 01:02:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:37,295 INFO L82 PathProgramCache]: Analyzing trace with hash 2066802129, now seen corresponding path program 1 times [2021-10-13 01:02:37,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:02:37,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298370870] [2021-10-13 01:02:37,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:37,296 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:02:37,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:02:37,297 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:02:37,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 01:02:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:37,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:02:37,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:02:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:37,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 01:02:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:37,786 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 01:02:37,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298370870] [2021-10-13 01:02:37,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298370870] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:37,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:37,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 01:02:37,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181061170] [2021-10-13 01:02:37,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:02:37,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 01:02:37,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:02:37,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:37,788 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (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) [2021-10-13 01:02:37,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:37,837 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2021-10-13 01:02:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:02:37,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (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 20 [2021-10-13 01:02:37,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:37,846 INFO L225 Difference]: With dead ends: 44 [2021-10-13 01:02:37,846 INFO L226 Difference]: Without dead ends: 44 [2021-10-13 01:02:37,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 41.4ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:02:37,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-13 01:02:37,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2021-10-13 01:02:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-13 01:02:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-13 01:02:37,852 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 20 [2021-10-13 01:02:37,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:37,853 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-13 01:02:37,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (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) [2021-10-13 01:02:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-13 01:02:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 01:02:37,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:37,854 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:37,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:38,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:02:38,066 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-13 01:02:38,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:38,067 INFO L82 PathProgramCache]: Analyzing trace with hash -28410770, now seen corresponding path program 1 times [2021-10-13 01:02:38,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:02:38,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322467313] [2021-10-13 01:02:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:38,067 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:02:38,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:02:38,069 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:02:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 01:02:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:02:38,265 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:02:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:02:38,327 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-13 01:02:38,328 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 01:02:38,329 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location free_8Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-13 01:02:38,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-13 01:02:38,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-13 01:02:38,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-13 01:02:38,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-13 01:02:38,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-13 01:02:38,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 01:02:38,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-13 01:02:38,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-13 01:02:38,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 01:02:38,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,342 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 01:02:38,343 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 01:02:38,343 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-13 01:02:38,343 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-13 01:02:38,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:38,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:02:38,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:02:38,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:02:38 BoogieIcfgContainer [2021-10-13 01:02:38,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:02:38,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:02:38,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:02:38,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:02:38,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:34" (3/4) ... [2021-10-13 01:02:38,591 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 01:02:38,640 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:02:38,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:02:38,642 INFO L168 Benchmark]: Toolchain (without parser) took 6904.76 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 30.1 MB in the beginning and 55.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:38,643 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:02:38,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.56 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 29.9 MB in the beginning and 50.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:38,644 INFO L168 Benchmark]: Boogie Preprocessor took 140.35 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 45.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:38,644 INFO L168 Benchmark]: RCFGBuilder took 1504.40 ms. Allocated memory is still 69.2 MB. Free memory was 45.7 MB in the beginning and 34.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:38,645 INFO L168 Benchmark]: TraceAbstraction took 4293.14 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 29.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:38,646 INFO L168 Benchmark]: Witness Printer took 52.28 ms. Allocated memory is still 83.9 MB. Free memory was 28.5 MB in the beginning and 55.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:38,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 899.56 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 29.9 MB in the beginning and 50.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 140.35 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 45.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1504.40 ms. Allocated memory is still 69.2 MB. Free memory was 45.7 MB in the beginning and 34.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4293.14 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 29.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * Witness Printer took 52.28 ms. Allocated memory is still 83.9 MB. Free memory was 28.5 MB in the beginning and 55.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 762]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L771] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L765] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) [L766] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 4177.8ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 34.3ms, AutomataDifference: 508.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 126 SDtfs, 83 SDslu, 246 SDs, 0 SdLazy, 159 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 224.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 132 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 267.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 70.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 56.6ms SsaConstructionTime, 149.9ms SatisfiabilityAnalysisTime, 1301.3ms InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 479 SizeOfPredicates, 1 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 proved your program to be incorrect! [2021-10-13 01:02:38,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1aecc7-cfd7-4c6c-b673-d8abdc06974c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...