./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.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_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/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_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/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_864930ec-d097-4db8-8323-6a65231a6cc8/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 ca8443f02e84c43442a8563176ea0a68cc82ac31 ................................................................................................................................... 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_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/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_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/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_864930ec-d097-4db8-8323-6a65231a6cc8/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 ca8443f02e84c43442a8563176ea0a68cc82ac31 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:53:24,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:53:24,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:53:24,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:53:24,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:53:24,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:53:24,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:53:24,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:53:24,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:53:24,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:53:24,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:53:24,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:53:24,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:53:24,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:53:24,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:53:24,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:53:24,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:53:24,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:53:24,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:53:24,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:53:24,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:53:24,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:53:24,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:53:24,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:53:24,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:53:24,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:53:24,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:53:24,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:53:24,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:53:24,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:53:24,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:53:24,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:53:24,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:53:24,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:53:24,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:53:24,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:53:24,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:53:24,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:53:24,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:53:24,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:53:24,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:53:24,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-13 00:53:24,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:53:24,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:53:24,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:53:24,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:53:24,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:53:24,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:53:24,872 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:53:24,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:53:24,872 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:53:24,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:53:24,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:53:24,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:53:24,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:53:24,874 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:53:24,875 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:53:24,875 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:53:24,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:53:24,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:53:24,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:53:24,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:53:24,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:53:24,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:53:24,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:53:24,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:24,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:53:24,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:53:24,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:53:24,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:53:24,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:53:24,881 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_864930ec-d097-4db8-8323-6a65231a6cc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2021-10-13 00:53:25,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:53:25,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:53:25,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:53:25,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:53:25,227 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:53:25,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-13 00:53:25,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/ff1e70236/d13cd7f5c2a64c2f81eda70fcf241362/FLAG0f07d4247 [2021-10-13 00:53:26,062 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:53:26,063 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-13 00:53:26,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/ff1e70236/d13cd7f5c2a64c2f81eda70fcf241362/FLAG0f07d4247 [2021-10-13 00:53:26,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/ff1e70236/d13cd7f5c2a64c2f81eda70fcf241362 [2021-10-13 00:53:26,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:53:26,310 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:53:26,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:26,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:53:26,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:53:26,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:26" (1/1) ... [2021-10-13 00:53:26,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c22a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:26, skipping insertion in model container [2021-10-13 00:53:26,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:26" (1/1) ... [2021-10-13 00:53:26,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:53:26,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:27,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:27,078 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 00:53:27,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e8c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:27, skipping insertion in model container [2021-10-13 00:53:27,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:27,081 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:53:27,085 INFO L168 Benchmark]: Toolchain (without parser) took 772.60 ms. Allocated memory is still 90.2 MB. Free memory was 55.6 MB in the beginning and 61.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:27,087 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 45.9 MB in the beginning and 45.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:53:27,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.20 ms. Allocated memory is still 90.2 MB. Free memory was 55.3 MB in the beginning and 61.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:27,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 45.9 MB in the beginning and 45.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 764.20 ms. Allocated memory is still 90.2 MB. Free memory was 55.3 MB in the beginning and 61.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 6.3 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 00:53:29,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:53:29,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:53:29,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:53:29,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:53:29,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:53:29,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:53:29,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:53:29,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:53:29,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:53:29,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:53:29,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:53:29,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:53:29,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:53:29,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:53:29,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:53:29,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:53:29,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:53:29,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:53:29,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:53:29,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:53:29,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:53:29,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:53:29,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:53:29,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:53:29,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:53:29,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:53:29,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:53:29,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:53:29,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:53:29,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:53:29,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:53:29,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:53:29,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:53:29,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:53:29,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:53:29,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:53:29,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:53:29,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:53:29,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:53:29,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:53:29,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 00:53:29,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:53:29,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:53:29,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:53:29,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:53:29,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:53:29,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:53:29,922 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:53:29,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:53:29,923 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:53:29,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:53:29,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:53:29,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:53:29,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:53:29,924 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:53:29,924 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:53:29,925 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:53:29,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:53:29,925 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:53:29,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:53:29,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:53:29,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:53:29,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:53:29,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:53:29,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:53:29,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:53:29,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:29,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:53:29,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:53:29,928 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:53:29,929 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:53:29,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:53:29,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:53:29,930 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_864930ec-d097-4db8-8323-6a65231a6cc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2021-10-13 00:53:30,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:53:30,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:53:30,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:53:30,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:53:30,435 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:53:30,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-13 00:53:30,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/8e28cedcc/9b1afb9fedb14efb887375804b02fd06/FLAG244c893e6 [2021-10-13 00:53:31,205 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:53:31,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-13 00:53:31,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/8e28cedcc/9b1afb9fedb14efb887375804b02fd06/FLAG244c893e6 [2021-10-13 00:53:31,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/data/8e28cedcc/9b1afb9fedb14efb887375804b02fd06 [2021-10-13 00:53:31,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:53:31,445 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:53:31,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:31,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:53:31,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:53:31,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528bbc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31, skipping insertion in model container [2021-10-13 00:53:31,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:53:31,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:32,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:32,214 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 00:53:32,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:32,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:32,359 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:53:32,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:32,541 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:53:32,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32 WrapperNode [2021-10-13 00:53:32,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:32,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:53:32,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:53:32,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:53:32,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:53:32,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:53:32,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:53:32,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:53:32,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (1/1) ... [2021-10-13 00:53:32,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:32,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:32,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:53:32,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:53:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 00:53:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:53:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:53:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:53:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 00:53:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 00:53:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-13 00:53:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-13 00:53:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-13 00:53:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-13 00:53:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-13 00:53:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-13 00:53:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-13 00:53:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:53:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 00:53:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-13 00:53:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 00:53:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-13 00:53:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 00:53:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-13 00:53:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-13 00:53:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-13 00:53:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-13 00:53:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-13 00:53:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-13 00:53:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-13 00:53:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-13 00:53:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-13 00:53:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-13 00:53:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-13 00:53:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-13 00:53:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-13 00:53:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-13 00:53:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-13 00:53:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-13 00:53:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-13 00:53:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-13 00:53:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-13 00:53:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-13 00:53:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-13 00:53:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 00:53:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 00:53:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-13 00:53:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 00:53:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-13 00:53:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-13 00:53:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 00:53:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 00:53:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 00:53:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 00:53:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 00:53:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 00:53:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 00:53:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 00:53:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 00:53:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 00:53:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 00:53:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 00:53:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 00:53:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 00:53:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 00:53:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 00:53:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 00:53:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 00:53:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 00:53:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-13 00:53:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-13 00:53:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-13 00:53:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 00:53:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 00:53:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 00:53:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 00:53:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 00:53:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 00:53:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 00:53:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 00:53:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 00:53:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 00:53:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 00:53:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 00:53:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 00:53:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 00:53:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 00:53:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 00:53:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 00:53:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 00:53:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 00:53:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 00:53:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 00:53:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 00:53:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 00:53:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 00:53:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 00:53:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 00:53:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 00:53:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 00:53:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 00:53:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 00:53:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 00:53:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 00:53:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 00:53:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 00:53:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 00:53:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 00:53:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 00:53:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 00:53:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 00:53:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 00:53:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 00:53:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 00:53:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 00:53:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 00:53:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 00:53:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 00:53:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 00:53:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 00:53:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 00:53:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 00:53:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 00:53:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 00:53:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 00:53:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 00:53:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 00:53:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 00:53:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 00:53:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 00:53:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 00:53:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 00:53:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 00:53:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 00:53:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 00:53:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 00:53:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 00:53:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 00:53:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 00:53:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 00:53:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 00:53:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 00:53:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 00:53:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 00:53:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 00:53:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 00:53:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 00:53:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 00:53:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 00:53:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 00:53:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 00:53:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 00:53:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 00:53:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 00:53:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 00:53:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 00:53:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 00:53:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 00:53:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-13 00:53:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 00:53:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-13 00:53:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-13 00:53:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 00:53:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 00:53:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-13 00:53:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:53:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-13 00:53:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-13 00:53:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:53:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:53:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 00:53:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-13 00:53:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 00:53:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:53:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-13 00:53:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 00:53:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-13 00:53:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-13 00:53:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 00:53:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-13 00:53:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:53:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-13 00:53:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-13 00:53:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-13 00:53:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-13 00:53:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-13 00:53:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:53:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:53:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-13 00:53:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-13 00:53:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:53:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-13 00:53:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-13 00:53:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-13 00:53:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-13 00:53:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-13 00:53:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-13 00:53:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-13 00:53:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-13 00:53:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-13 00:53:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-13 00:53:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-13 00:53:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-13 00:53:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 00:53:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 00:53:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-13 00:53:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 00:53:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 00:53:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:53:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:53:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:53:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:53:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:53:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:53:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 00:53:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 00:53:33,820 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:53:34,374 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:53:34,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:53:34,798 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-13 00:53:34,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:34 BoogieIcfgContainer [2021-10-13 00:53:34,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:53:34,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:53:34,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:53:34,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:53:34,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:53:31" (1/3) ... [2021-10-13 00:53:34,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc726fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:34, skipping insertion in model container [2021-10-13 00:53:34,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:32" (2/3) ... [2021-10-13 00:53:34,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc726fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:34, skipping insertion in model container [2021-10-13 00:53:34,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:34" (3/3) ... [2021-10-13 00:53:34,820 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2021-10-13 00:53:34,827 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:53:34,828 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2021-10-13 00:53:34,913 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:53:34,921 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 00:53:34,922 INFO L340 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2021-10-13 00:53:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-10-13 00:53:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:53:34,963 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:34,964 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:34,965 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-13 00:53:34,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:34,972 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2021-10-13 00:53:34,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:53:34,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340035637] [2021-10-13 00:53:34,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:34,989 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:53:34,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:53:34,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:53:35,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:53:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:35,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:53:35,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:35,371 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 00:53:35,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:53:35,486 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 00:53:35,490 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:53:35,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340035637] [2021-10-13 00:53:35,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340035637] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:35,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:35,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 00:53:35,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707783489] [2021-10-13 00:53:35,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:35,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:53:35,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:35,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:35,535 INFO L87 Difference]: Start difference. First operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:53:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:35,584 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-10-13 00:53:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:35,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-10-13 00:53:35,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:35,596 INFO L225 Difference]: With dead ends: 29 [2021-10-13 00:53:35,597 INFO L226 Difference]: Without dead ends: 26 [2021-10-13 00:53:35,598 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-13 00:53:35,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-13 00:53:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 00:53:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-10-13 00:53:35,642 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2021-10-13 00:53:35,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:35,643 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-10-13 00:53:35,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:53:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-10-13 00:53:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:53:35,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:35,645 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:35,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:35,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:53:35,871 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-13 00:53:35,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:35,871 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2021-10-13 00:53:35,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:53:35,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792252688] [2021-10-13 00:53:35,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:35,873 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:53:35,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:53:35,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:53:35,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:53:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:36,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:53:36,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:36,361 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 00:53:36,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:53:36,526 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 00:53:36,526 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:53:36,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792252688] [2021-10-13 00:53:36,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792252688] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:36,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:36,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-13 00:53:36,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127577280] [2021-10-13 00:53:36,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 00:53:36,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:53:36,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:53:36,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:53:36,531 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-13 00:53:36,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:36,685 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-10-13 00:53:36,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:53:36,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 14 [2021-10-13 00:53:36,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:36,690 INFO L225 Difference]: With dead ends: 35 [2021-10-13 00:53:36,690 INFO L226 Difference]: Without dead ends: 35 [2021-10-13 00:53:36,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 107.1ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:53:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-13 00:53:36,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2021-10-13 00:53:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 00:53:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-10-13 00:53:36,698 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2021-10-13 00:53:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:36,698 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-10-13 00:53:36,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-13 00:53:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-10-13 00:53:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 00:53:36,700 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:36,700 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:36,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:36,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:53:36,915 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-13 00:53:36,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:36,915 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2021-10-13 00:53:36,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:53:36,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329539377] [2021-10-13 00:53:36,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:36,917 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:53:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:53:36,921 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:53:36,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 00:53:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:37,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:53:37,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:37,194 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 00:53:37,263 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 00:53:37,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:53:37,397 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 00:53:37,397 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:53:37,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329539377] [2021-10-13 00:53:37,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329539377] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:37,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:37,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 00:53:37,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701404486] [2021-10-13 00:53:37,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:37,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:53:37,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:37,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:37,402 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:53:37,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:37,462 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-10-13 00:53:37,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:37,463 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-13 00:53:37,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:37,465 INFO L225 Difference]: With dead ends: 30 [2021-10-13 00:53:37,465 INFO L226 Difference]: Without dead ends: 30 [2021-10-13 00:53:37,465 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:37,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-13 00:53:37,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-13 00:53:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-13 00:53:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-10-13 00:53:37,472 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2021-10-13 00:53:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:37,473 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-10-13 00:53:37,474 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:53:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-10-13 00:53:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 00:53:37,475 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:37,475 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:37,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:37,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:53:37,690 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-13 00:53:37,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:37,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2021-10-13 00:53:37,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:53:37,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394554436] [2021-10-13 00:53:37,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:37,692 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:53:37,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:53:37,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:53:37,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 00:53:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:37,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:53:37,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:37,970 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 00:53:37,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:53:38,057 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 00:53:38,057 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:53:38,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394554436] [2021-10-13 00:53:38,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394554436] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:38,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:38,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 00:53:38,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853052018] [2021-10-13 00:53:38,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:53:38,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:53:38,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:53:38,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:38,061 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:53:38,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:38,096 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-10-13 00:53:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:38,097 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-13 00:53:38,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:38,098 INFO L225 Difference]: With dead ends: 34 [2021-10-13 00:53:38,099 INFO L226 Difference]: Without dead ends: 34 [2021-10-13 00:53:38,099 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:38,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-13 00:53:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-10-13 00:53:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-13 00:53:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-10-13 00:53:38,105 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2021-10-13 00:53:38,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:38,106 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-10-13 00:53:38,106 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:53:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-10-13 00:53:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:53:38,108 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:38,108 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 00:53:38,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:38,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:53:38,319 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-13 00:53:38,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:38,320 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2021-10-13 00:53:38,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:53:38,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830705112] [2021-10-13 00:53:38,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:38,321 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:53:38,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:53:38,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:53:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 00:53:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:38,532 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:53:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:53:38,588 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-13 00:53:38,589 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:53:38,590 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-13 00:53:38,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-13 00:53:38,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-13 00:53:38,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-13 00:53:38,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-13 00:53:38,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-13 00:53:38,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 00:53:38,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-13 00:53:38,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-13 00:53:38,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:53:38,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:53:38,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-13 00:53:38,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-13 00:53:38,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:53:38,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:38,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:53:38,839 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:53:38,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:38 BoogieIcfgContainer [2021-10-13 00:53:38,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:53:38,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:53:38,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:53:38,867 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:53:38,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:34" (3/4) ... [2021-10-13 00:53:38,873 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 00:53:38,931 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:53:38,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:53:38,933 INFO L168 Benchmark]: Toolchain (without parser) took 7487.18 ms. Allocated memory was 60.8 MB in the beginning and 102.8 MB in the end (delta: 41.9 MB). Free memory was 37.3 MB in the beginning and 56.1 MB in the end (delta: -18.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:38,934 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:53:38,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1097.40 ms. Allocated memory is still 60.8 MB. Free memory was 36.9 MB in the beginning and 26.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:38,935 INFO L168 Benchmark]: Boogie Preprocessor took 200.35 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.0 MB in the beginning and 60.5 MB in the end (delta: -34.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:38,936 INFO L168 Benchmark]: RCFGBuilder took 2058.16 ms. Allocated memory is still 81.8 MB. Free memory was 60.5 MB in the beginning and 35.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:38,937 INFO L168 Benchmark]: TraceAbstraction took 4055.44 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 34.8 MB in the beginning and 58.2 MB in the end (delta: -23.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:53:38,938 INFO L168 Benchmark]: Witness Printer took 64.26 ms. Allocated memory is still 102.8 MB. Free memory was 58.2 MB in the beginning and 56.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:38,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1097.40 ms. Allocated memory is still 60.8 MB. Free memory was 36.9 MB in the beginning and 26.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 200.35 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.0 MB in the beginning and 60.5 MB in the end (delta: -34.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2058.16 ms. Allocated memory is still 81.8 MB. Free memory was 60.5 MB in the beginning and 35.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4055.44 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 34.8 MB in the beginning and 58.2 MB in the end (delta: -23.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 64.26 ms. Allocated memory is still 102.8 MB. Free memory was 58.2 MB in the beginning and 56.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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: 760]: 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) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] - 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: 762]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 3925.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 27.8ms, AutomataDifference: 361.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 208 SDs, 0 SdLazy, 124 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 189.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 173.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 45.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 63.1ms SsaConstructionTime, 145.1ms SatisfiabilityAnalysisTime, 1115.4ms InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 18 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 00:53:39,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864930ec-d097-4db8-8323-6a65231a6cc8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...