./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 ................................................................................................................................... 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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:25:47,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:25:47,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:25:47,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:25:47,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:25:47,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:25:47,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:25:47,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:25:47,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:25:47,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:25:47,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:25:47,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:25:47,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:25:47,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:25:47,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:25:47,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:25:47,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:25:47,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:25:47,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:25:47,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:25:47,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:25:47,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:25:47,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:25:47,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:25:47,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:25:47,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:25:47,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:25:47,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:25:47,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:25:47,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:25:47,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:25:47,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:25:47,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:25:47,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:25:47,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:25:47,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:25:47,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:25:47,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:25:47,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:25:47,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:25:47,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:25:47,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:25:47,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:25:47,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:25:47,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:25:47,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:25:47,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:25:47,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:25:47,879 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:25:47,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:25:47,880 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:25:47,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:25:47,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:25:47,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:25:47,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:25:47,882 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:25:47,883 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:25:47,883 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:25:47,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:25:47,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:25:47,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:25:47,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:25:47,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:25:47,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:25:47,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:25:47,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:25:47,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:25:47,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:25:47,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:25:47,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:25:47,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:25:47,889 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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-10-28 09:25:48,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:25:48,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:25:48,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:25:48,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:25:48,368 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:25:48,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-28 09:25:48,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/cf11c526f/a511305a80dd49caa035da0910ac1061/FLAGef73f9a46 [2021-10-28 09:25:49,103 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:25:49,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-28 09:25:49,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/cf11c526f/a511305a80dd49caa035da0910ac1061/FLAGef73f9a46 [2021-10-28 09:25:49,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/cf11c526f/a511305a80dd49caa035da0910ac1061 [2021-10-28 09:25:49,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:25:49,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:25:49,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:49,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:25:49,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:25:49,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:49" (1/1) ... [2021-10-28 09:25:49,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a855cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:49, skipping insertion in model container [2021-10-28 09:25:49,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:49" (1/1) ... [2021-10-28 09:25:49,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:25:49,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:25:50,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:50,124 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 09:25:50,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62cadf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:50, skipping insertion in model container [2021-10-28 09:25:50,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:50,127 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:25:50,131 INFO L168 Benchmark]: Toolchain (without parser) took 767.93 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 48.7 MB in the beginning and 107.1 MB in the end (delta: -58.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:50,133 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:50,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.64 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 48.5 MB in the beginning and 107.1 MB in the end (delta: -58.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:50,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 759.64 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 48.5 MB in the beginning and 107.1 MB in the end (delta: -58.6 MB). Peak memory consumption was 4.2 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 09:25:53,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:25:53,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:25:53,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:25:53,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:25:53,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:25:53,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:25:53,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:25:53,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:25:53,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:25:53,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:25:53,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:25:53,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:25:53,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:25:53,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:25:53,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:25:53,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:25:53,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:25:53,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:25:53,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:25:53,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:25:53,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:25:53,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:25:53,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:25:53,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:25:53,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:25:53,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:25:53,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:25:53,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:25:53,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:25:53,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:25:53,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:25:53,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:25:53,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:25:53,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:25:53,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:25:53,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:25:53,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:25:53,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:25:53,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:25:53,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:25:53,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:25:53,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:25:53,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:25:53,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:25:53,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:25:53,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:25:53,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:25:53,259 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:25:53,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:25:53,259 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:25:53,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:25:53,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:25:53,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:25:53,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:25:53,261 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:25:53,261 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:25:53,261 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:25:53,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:25:53,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:25:53,262 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:25:53,262 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:25:53,262 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:25:53,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:25:53,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:25:53,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:25:53,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:25:53,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:25:53,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:25:53,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:25:53,265 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:25:53,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:25:53,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:25:53,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:25:53,266 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_18a4672f-42ab-46ea-9e59-b3c3561ff04b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-10-28 09:25:53,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:25:53,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:25:53,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:25:53,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:25:53,822 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:25:53,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-28 09:25:53,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/67d703753/211ad21b8b67422691e2a0bdd6db8fea/FLAGe836f436a [2021-10-28 09:25:54,764 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:25:54,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-28 09:25:54,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/67d703753/211ad21b8b67422691e2a0bdd6db8fea/FLAGe836f436a [2021-10-28 09:25:54,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/data/67d703753/211ad21b8b67422691e2a0bdd6db8fea [2021-10-28 09:25:54,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:25:54,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:25:54,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:54,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:25:54,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:25:54,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:54" (1/1) ... [2021-10-28 09:25:54,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d213057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:54, skipping insertion in model container [2021-10-28 09:25:54,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:54" (1/1) ... [2021-10-28 09:25:54,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:25:55,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:25:55,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:55,715 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:25:55,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:25:55,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:55,854 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:25:55,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:55,974 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:25:55,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55 WrapperNode [2021-10-28 09:25:55,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:55,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:25:55,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:25:55,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:25:55,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:55,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:56,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:56,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:56,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:56,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:56,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:56,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:25:56,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:25:56,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:25:56,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:25:56,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (1/1) ... [2021-10-28 09:25:56,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:25:56,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:56,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:56,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:25:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:25:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:25:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:25:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:25:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:25:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:25:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:25:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:25:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:25:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:25:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:25:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:25:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:25:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:25:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:25:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:25:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:25:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:25:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:25:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:25:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:25:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:25:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:25:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:25:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:25:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:25:56,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:25:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:25:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:25:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:25:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:25:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:25:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:25:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:25:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:25:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:25:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:25:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:25:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:25:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:25:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:25:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:25:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2021-10-28 09:25:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:25:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:25:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:25:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:25:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:25:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:25:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:25:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:25:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:25:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:25:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:25:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:25:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:25:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:25:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:25:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:25:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:25:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:25:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:25:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:25:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:25:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:25:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:25:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:25:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:25:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:25:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:25:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:25:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:25:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:25:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:25:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:25:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:25:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:25:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:25:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:25:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:25:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:25:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:25:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:25:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:25:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:25:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:25:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:25:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:25:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:25:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:25:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:25:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:25:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:25:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:25:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:25:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:25:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:25:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:25:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:25:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:25:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:25:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:25:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:25:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:25:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:25:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:25:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:25:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:25:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:25:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:25:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:25:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:25:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:25:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:25:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:25:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:25:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:25:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:25:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:25:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:25:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:25:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:25:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:25:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:25:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:25:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:25:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:25:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:25:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:25:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:25:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:25:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:25:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:25:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:25:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:25:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:25:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:25:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:25:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:25:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:25:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:25:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:25:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:25:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:25:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:25:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:25:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:25:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:25:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:25:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:25:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:25:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:25:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:25:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:25:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:25:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:25:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:25:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:25:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:25:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:25:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:25:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:25:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:25:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:25:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:25:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:25:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:25:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:25:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:25:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:25:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:25:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:25:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:25:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:25:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:25:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:25:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:25:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:25:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:25:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:25:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:25:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:25:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:25:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:25:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:25:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:25:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:25:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:25:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:25:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:25:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:25:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:25:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:25:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:25:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:25:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:25:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:25:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:25:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:25:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:25:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:25:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:25:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2021-10-28 09:25:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:25:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:25:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:25:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:25:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:25:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:25:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:25:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:25:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:25:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:25:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:25:57,167 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:25:57,628 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:25:57,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:25:57,957 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:25:57,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:57 BoogieIcfgContainer [2021-10-28 09:25:57,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:25:57,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:25:57,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:25:57,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:25:57,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:25:54" (1/3) ... [2021-10-28 09:25:57,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ee0b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:25:57, skipping insertion in model container [2021-10-28 09:25:57,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:55" (2/3) ... [2021-10-28 09:25:57,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ee0b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:25:57, skipping insertion in model container [2021-10-28 09:25:57,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:57" (3/3) ... [2021-10-28 09:25:57,971 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-10-28 09:25:57,978 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:25:57,978 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-10-28 09:25:58,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:25:58,041 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 09:25:58,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-10-28 09:25:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-28 09:25:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:25:58,071 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:25:58,072 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:58,072 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-28 09:25:58,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:58,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2021-10-28 09:25:58,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:25:58,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783966777] [2021-10-28 09:25:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:58,095 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:25:58,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:25:58,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:25:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:58,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:25:58,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:58,552 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 09:25:58,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:25:58,709 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 09:25:58,710 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:25:58,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783966777] [2021-10-28 09:25:58,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783966777] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:58,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:58,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:25:58,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157373285] [2021-10-28 09:25:58,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:25:58,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:25:58,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:25:58,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:25:58,744 INFO L87 Difference]: Start difference. First operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 09:25:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:58,822 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-28 09:25:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:25:58,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-28 09:25:58,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:25:58,834 INFO L225 Difference]: With dead ends: 35 [2021-10-28 09:25:58,834 INFO L226 Difference]: Without dead ends: 23 [2021-10-28 09:25:58,836 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:25:58,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-28 09:25:58,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-28 09:25:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:25:58,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-10-28 09:25:58,881 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2021-10-28 09:25:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:25:58,882 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-10-28 09:25:58,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 09:25:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-10-28 09:25:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:25:58,885 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:25:58,885 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, 1, 1] [2021-10-28 09:25:58,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:59,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:25:59,106 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-28 09:25:59,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:59,107 INFO L85 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2021-10-28 09:25:59,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:25:59,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336851520] [2021-10-28 09:25:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:59,108 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:25:59,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:25:59,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:25:59,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:25:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,357 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,464 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 09:25:59,464 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:25:59,467 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:25:59,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:25:59,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:25:59,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:25:59,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:25:59,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:25:59,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:25:59,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,493 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,494 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,494 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,494 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:25:59,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:25:59,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:25:59,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:25:59,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:25:59,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:25:59,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:25:59,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:59,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:25:59,723 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:25:59,728 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:25:59,738 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 09:25:59,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:25:59 BoogieIcfgContainer [2021-10-28 09:25:59,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:25:59,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:25:59,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:25:59,773 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:25:59,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:57" (3/4) ... [2021-10-28 09:25:59,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:25:59,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:25:59,781 INFO L168 Benchmark]: Toolchain (without parser) took 4848.90 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 37.0 MB in the beginning and 53.8 MB in the end (delta: -16.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:59,784 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:59,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1041.74 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 24.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:59,785 INFO L168 Benchmark]: Boogie Preprocessor took 220.80 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 24.1 MB in the beginning and 67.7 MB in the end (delta: -43.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:59,790 INFO L168 Benchmark]: RCFGBuilder took 1761.42 ms. Allocated memory is still 88.1 MB. Free memory was 67.7 MB in the beginning and 47.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:59,791 INFO L168 Benchmark]: TraceAbstraction took 1809.08 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 54.2 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:59,791 INFO L168 Benchmark]: Witness Printer took 5.90 ms. Allocated memory is still 88.1 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:59,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1041.74 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 24.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 220.80 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 24.1 MB in the beginning and 67.7 MB in the end (delta: -43.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1761.42 ms. Allocated memory is still 88.1 MB. Free memory was 67.7 MB in the beginning and 47.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1809.08 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 54.2 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.90 ms. Allocated memory is still 88.1 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={-2147483648:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [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: 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 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 09:25:59,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4672f-42ab-46ea-9e59-b3c3561ff04b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...