./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 ................................................................................................................................... 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_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-b2eff8b [2021-10-28 09:48:35,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:48:35,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:48:35,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:48:35,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:48:35,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:48:35,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:48:35,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:48:35,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:48:35,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:48:35,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:48:35,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:48:35,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:48:35,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:48:35,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:48:35,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:48:35,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:48:35,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:48:35,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:48:35,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:48:35,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:48:35,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:48:35,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:48:35,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:48:35,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:48:35,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:48:35,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:48:35,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:48:35,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:48:35,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:48:35,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:48:35,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:48:35,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:48:35,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:48:35,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:48:35,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:48:35,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:48:35,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:48:35,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:48:35,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:48:35,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:48:35,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:48:35,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:48:35,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:48:35,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:48:35,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:48:35,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:48:35,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:48:35,881 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:48:35,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:48:35,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:48:35,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:48:35,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:48:35,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:48:35,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:48:35,882 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:48:35,882 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:48:35,882 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:48:35,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:48:35,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:48:35,883 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:48:35,883 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:48:35,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:48:35,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:48:35,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:48:35,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:48:35,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:48:35,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:48:35,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:48:35,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:48:35,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:48:35,885 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_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 [2021-10-28 09:48:36,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:48:36,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:48:36,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:48:36,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:48:36,225 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:48:36,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 09:48:36,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/ab97913d1/1cebd0b83df34e4f932681d28b9fab90/FLAG49768043f [2021-10-28 09:48:36,946 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:48:36,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 09:48:36,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/ab97913d1/1cebd0b83df34e4f932681d28b9fab90/FLAG49768043f [2021-10-28 09:48:37,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/ab97913d1/1cebd0b83df34e4f932681d28b9fab90 [2021-10-28 09:48:37,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:48:37,209 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:48:37,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:48:37,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:48:37,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:48:37,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:48:37" (1/1) ... [2021-10-28 09:48:37,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47dcb8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:37, skipping insertion in model container [2021-10-28 09:48:37,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:48:37" (1/1) ... [2021-10-28 09:48:37,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:48:37,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:48:37,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:48:37,785 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 09:48:37,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35952988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:37, skipping insertion in model container [2021-10-28 09:48:37,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:48:37,787 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:48:37,789 INFO L168 Benchmark]: Toolchain (without parser) took 578.27 ms. Allocated memory is still 111.1 MB. Free memory was 74.0 MB in the beginning and 84.5 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:37,791 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory was 92.0 MB in the beginning and 91.9 MB in the end (delta: 66.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:48:37,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.36 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 84.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:37,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory was 92.0 MB in the beginning and 91.9 MB in the end (delta: 66.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 572.36 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 84.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:48:40,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:48:40,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:48:40,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:48:40,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:48:40,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:48:40,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:48:40,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:48:40,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:48:40,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:48:40,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:48:40,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:48:40,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:48:40,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:48:40,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:48:40,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:48:40,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:48:40,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:48:40,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:48:40,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:48:40,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:48:40,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:48:40,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:48:40,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:48:40,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:48:40,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:48:40,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:48:40,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:48:40,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:48:40,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:48:40,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:48:40,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:48:40,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:48:40,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:48:40,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:48:40,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:48:40,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:48:40,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:48:40,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:48:40,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:48:40,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:48:40,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:48:40,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:48:40,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:48:40,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:48:40,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:48:40,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:48:40,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:48:40,263 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:48:40,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:48:40,264 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:48:40,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:48:40,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:48:40,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:48:40,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:48:40,266 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:48:40,267 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:48:40,267 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:48:40,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:48:40,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:48:40,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:48:40,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:48:40,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:48:40,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:48:40,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:48:40,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:48:40,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:48:40,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:48:40,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:48:40,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:48:40,271 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:48:40,271 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:48:40,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:48:40,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:48:40,272 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_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 [2021-10-28 09:48:40,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:48:40,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:48:40,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:48:40,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:48:40,676 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:48:40,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 09:48:40,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/2caddbc3b/6339265e52ca4502b5dd41bfeb102a1c/FLAGa8aa941e2 [2021-10-28 09:48:41,403 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:48:41,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-28 09:48:41,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/2caddbc3b/6339265e52ca4502b5dd41bfeb102a1c/FLAGa8aa941e2 [2021-10-28 09:48:41,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/data/2caddbc3b/6339265e52ca4502b5dd41bfeb102a1c [2021-10-28 09:48:41,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:48:41,755 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:48:41,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:48:41,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:48:41,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:48:41,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:48:41" (1/1) ... [2021-10-28 09:48:41,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4fe109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:41, skipping insertion in model container [2021-10-28 09:48:41,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:48:41" (1/1) ... [2021-10-28 09:48:41,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:48:41,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:48:42,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:48:42,268 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:48:42,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:48:42,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:48:42,346 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:48:42,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:48:42,464 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:48:42,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42 WrapperNode [2021-10-28 09:48:42,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:48:42,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:48:42,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:48:42,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:48:42,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:48:42,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:48:42,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:48:42,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:48:42,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (1/1) ... [2021-10-28 09:48:42,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:48:42,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:48:42,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:48:42,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:48:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:48:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:48:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:48:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:48:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:48:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:48:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:48:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:48:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:48:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:48:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:48:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:48:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:48:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:48:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:48:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:48:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:48:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:48:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:48:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:48:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:48:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:48:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:48:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:48:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:48:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:48:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:48:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:48:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2021-10-28 09:48:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2021-10-28 09:48:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:48:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:48:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:48:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:48:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:48:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:48:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:48:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:48:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:48:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:48:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:48:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:48:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:48:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:48:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:48:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:48:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:48:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:48:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:48:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:48:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:48:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:48:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:48:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:48:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:48:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:48:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:48:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:48:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:48:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:48:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:48:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:48:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:48:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:48:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:48:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:48:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:48:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:48:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:48:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:48:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:48:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:48:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:48:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:48:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:48:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:48:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:48:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:48:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:48:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:48:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:48:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:48:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:48:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:48:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:48:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:48:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:48:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:48:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:48:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:48:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:48:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:48:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:48:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:48:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:48:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:48:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:48:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:48:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:48:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:48:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:48:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:48:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:48:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:48:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:48:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:48:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:48:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:48:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:48:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:48:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:48:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:48:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:48:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:48:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:48:43,235 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:48:43,582 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:48:43,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:48:43,920 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:48:43,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:48:43 BoogieIcfgContainer [2021-10-28 09:48:43,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:48:43,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:48:43,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:48:43,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:48:43,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:48:41" (1/3) ... [2021-10-28 09:48:43,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6257d46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:48:43, skipping insertion in model container [2021-10-28 09:48:43,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:48:42" (2/3) ... [2021-10-28 09:48:43,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6257d46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:48:43, skipping insertion in model container [2021-10-28 09:48:43,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:48:43" (3/3) ... [2021-10-28 09:48:43,931 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2021-10-28 09:48:43,935 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:48:43,936 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 09:48:43,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:48:43,983 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:48:43,983 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 09:48:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-10-28 09:48:44,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:48:44,006 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:48:44,007 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:48:44,007 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_8Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:48:44,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:48:44,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1046257618, now seen corresponding path program 1 times [2021-10-28 09:48:44,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:48:44,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174148516] [2021-10-28 09:48:44,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:48:44,025 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:48:44,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:48:44,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:48:44,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:48:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:48:44,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:48:44,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:48:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:44,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:48:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:44,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:48:44,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174148516] [2021-10-28 09:48:44,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174148516] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:48:44,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:48:44,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:48:44,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688682161] [2021-10-28 09:48:44,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:48:44,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:48:44,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:48:44,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:48:44,554 INFO L87 Difference]: Start difference. First operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:48:44,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:48:44,625 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-10-28 09:48:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:48:44,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-10-28 09:48:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:48:44,634 INFO L225 Difference]: With dead ends: 33 [2021-10-28 09:48:44,634 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 09:48:44,636 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:48:44,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 09:48:44,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 09:48:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-28 09:48:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-10-28 09:48:44,672 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2021-10-28 09:48:44,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:48:44,672 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-10-28 09:48:44,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:48:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-10-28 09:48:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:48:44,674 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:48:44,674 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:48:44,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:48:44,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:48:44,887 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_8Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:48:44,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:48:44,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1925752517, now seen corresponding path program 1 times [2021-10-28 09:48:44,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:48:44,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297757731] [2021-10-28 09:48:44,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:48:44,894 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:48:44,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:48:44,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:48:44,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:48:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:48:45,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:48:45,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:48:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:45,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:48:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:45,530 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:48:45,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297757731] [2021-10-28 09:48:45,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297757731] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:48:45,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:48:45,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-28 09:48:45,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858220938] [2021-10-28 09:48:45,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:48:45,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:48:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:48:45,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:48:45,538 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 09:48:45,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:48:45,843 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-10-28 09:48:45,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:48:45,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19 [2021-10-28 09:48:45,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:48:45,845 INFO L225 Difference]: With dead ends: 43 [2021-10-28 09:48:45,845 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 09:48:45,846 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:48:45,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 09:48:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-28 09:48:45,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 7 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-28 09:48:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-10-28 09:48:45,856 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2021-10-28 09:48:45,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:48:45,857 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-10-28 09:48:45,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 09:48:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-10-28 09:48:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:48:45,858 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:48:45,859 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:48:45,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:48:46,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:48:46,070 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:48:46,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:48:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash -431213808, now seen corresponding path program 1 times [2021-10-28 09:48:46,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:48:46,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109163034] [2021-10-28 09:48:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:48:46,071 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:48:46,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:48:46,072 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:48:46,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:48:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:48:46,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:48:46,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:48:46,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 09:48:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:46,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:48:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:46,478 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:48:46,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109163034] [2021-10-28 09:48:46,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109163034] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:48:46,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:48:46,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:48:46,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227605759] [2021-10-28 09:48:46,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:48:46,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:48:46,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:48:46,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:48:46,481 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:48:46,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:48:46,549 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-10-28 09:48:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:48:46,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 09:48:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:48:46,556 INFO L225 Difference]: With dead ends: 46 [2021-10-28 09:48:46,556 INFO L226 Difference]: Without dead ends: 46 [2021-10-28 09:48:46,557 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:48:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-28 09:48:46,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-28 09:48:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-28 09:48:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2021-10-28 09:48:46,582 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 20 [2021-10-28 09:48:46,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:48:46,582 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2021-10-28 09:48:46,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:48:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-10-28 09:48:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:48:46,585 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:48:46,585 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:48:46,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-28 09:48:46,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:48:46,797 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:48:46,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:48:46,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2066802129, now seen corresponding path program 1 times [2021-10-28 09:48:46,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:48:46,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429840714] [2021-10-28 09:48:46,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:48:46,799 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:48:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:48:46,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:48:46,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:48:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:48:46,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:48:46,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:48:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:47,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:48:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:48:47,270 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:48:47,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429840714] [2021-10-28 09:48:47,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429840714] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:48:47,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:48:47,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 09:48:47,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781141648] [2021-10-28 09:48:47,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:48:47,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:48:47,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:48:47,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:48:47,272 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:48:47,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:48:47,323 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2021-10-28 09:48:47,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:48:47,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 09:48:47,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:48:47,325 INFO L225 Difference]: With dead ends: 44 [2021-10-28 09:48:47,325 INFO L226 Difference]: Without dead ends: 44 [2021-10-28 09:48:47,325 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:48:47,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-28 09:48:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2021-10-28 09:48:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-28 09:48:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-28 09:48:47,331 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 20 [2021-10-28 09:48:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:48:47,331 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-28 09:48:47,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:48:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-28 09:48:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 09:48:47,333 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:48:47,333 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:48:47,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:48:47,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:48:47,544 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:48:47,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:48:47,545 INFO L85 PathProgramCache]: Analyzing trace with hash -28410770, now seen corresponding path program 1 times [2021-10-28 09:48:47,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:48:47,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320168344] [2021-10-28 09:48:47,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:48:47,546 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:48:47,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:48:47,547 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:48:47,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:48:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:48:47,748 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:48:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:48:47,808 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 09:48:47,808 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:48:47,809 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location free_8Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,811 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,813 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,813 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,813 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,813 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,813 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,814 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,814 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,814 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:48:47,814 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:48:47,814 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:48:47,815 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:48:47,815 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,815 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,815 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,815 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,816 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,816 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,816 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,816 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,816 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:48:47,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:48:47,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:48:47,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:48:47,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:48:47,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:48:47,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:48:47,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:48:47,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:48:47,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:48:47,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:48:48,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:48:48,041 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 09:48:48,044 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:48:48,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:48:48 BoogieIcfgContainer [2021-10-28 09:48:48,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:48:48,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:48:48,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:48:48,080 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:48:48,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:48:43" (3/4) ... [2021-10-28 09:48:48,082 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:48:48,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:48:48,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:48:48,151 INFO L168 Benchmark]: Toolchain (without parser) took 6393.64 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 37.1 MB in the beginning and 39.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:48,156 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:48:48,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.26 ms. Allocated memory is still 60.8 MB. Free memory was 36.9 MB in the beginning and 41.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:48,157 INFO L168 Benchmark]: Boogie Preprocessor took 94.45 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 36.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:48,158 INFO L168 Benchmark]: RCFGBuilder took 1362.13 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 36.1 MB in the beginning and 40.5 MB in the end (delta: -4.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:48,158 INFO L168 Benchmark]: TraceAbstraction took 4154.17 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 39.7 MB in the beginning and 41.6 MB in the end (delta: -2.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:48,158 INFO L168 Benchmark]: Witness Printer took 68.59 ms. Allocated memory is still 92.3 MB. Free memory was 41.6 MB in the beginning and 39.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:48:48,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 706.26 ms. Allocated memory is still 60.8 MB. Free memory was 36.9 MB in the beginning and 41.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.45 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 36.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1362.13 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 36.1 MB in the beginning and 40.5 MB in the end (delta: -4.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4154.17 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 39.7 MB in the beginning and 41.6 MB in the end (delta: -2.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Witness Printer took 68.59 ms. Allocated memory is still 92.3 MB. Free memory was 41.6 MB in the beginning and 39.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 762]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L771] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L765] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) [L766] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 83 SDslu, 246 SDs, 0 SdLazy, 159 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 132 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 479 SizeOfPredicates, 1 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:48:48,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937147cd-4b3c-4778-9ae7-6d090b0fc817/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...