./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD --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 b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 ................................................................................................................................... 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_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD --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 b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:08:54,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:08:54,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:08:54,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:08:54,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:08:54,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:08:54,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:08:54,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:08:54,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:08:54,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:08:54,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:08:54,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:08:54,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:08:54,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:08:54,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:08:54,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:08:54,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:08:54,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:08:54,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:08:54,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:08:54,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:08:54,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:08:54,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:08:54,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:08:54,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:08:54,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:08:54,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:08:54,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:08:54,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:08:54,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:08:54,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:08:54,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:08:54,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:08:54,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:08:54,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:08:54,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:08:54,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:08:54,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:08:54,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:08:54,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:08:54,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:08:54,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:08:54,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:08:54,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:08:54,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:08:54,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:08:54,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:08:54,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:08:54,845 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:08:54,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:08:54,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:08:54,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:08:54,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:08:54,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:08:54,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:08:54,848 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:08:54,849 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:08:54,849 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:08:54,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:08:54,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:08:54,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:08:54,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:08:54,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:08:54,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:08:54,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:08:54,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:08:54,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:08:54,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:08:54,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:08:54,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:08:54,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:08:54,854 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_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-10-28 23:08:55,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:08:55,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:08:55,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:08:55,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:08:55,199 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:08:55,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 23:08:55,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/36cb381a3/6eecbe340d374b16b6e6f0d698eccdbf/FLAGc4a4613bf [2021-10-28 23:08:55,928 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:08:55,929 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 23:08:55,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/36cb381a3/6eecbe340d374b16b6e6f0d698eccdbf/FLAGc4a4613bf [2021-10-28 23:08:56,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/36cb381a3/6eecbe340d374b16b6e6f0d698eccdbf [2021-10-28 23:08:56,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:08:56,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:08:56,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:56,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:08:56,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:08:56,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:56" (1/1) ... [2021-10-28 23:08:56,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b15e7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:56, skipping insertion in model container [2021-10-28 23:08:56,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:56" (1/1) ... [2021-10-28 23:08:56,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:08:56,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:08:56,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:08:56,790 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 23:08:56,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ada76dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:56, skipping insertion in model container [2021-10-28 23:08:56,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:56,792 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:08:56,795 INFO L168 Benchmark]: Toolchain (without parser) took 615.65 ms. Allocated memory is still 100.7 MB. Free memory was 67.2 MB in the beginning and 70.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:56,796 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:56,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.66 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 70.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:56,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 612.66 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 70.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:08:59,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:08:59,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:08:59,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:08:59,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:08:59,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:08:59,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:08:59,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:08:59,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:08:59,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:08:59,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:08:59,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:08:59,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:08:59,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:08:59,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:08:59,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:08:59,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:08:59,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:08:59,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:08:59,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:08:59,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:08:59,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:08:59,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:08:59,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:08:59,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:08:59,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:08:59,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:08:59,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:08:59,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:08:59,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:08:59,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:08:59,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:08:59,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:08:59,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:08:59,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:08:59,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:08:59,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:08:59,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:08:59,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:08:59,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:08:59,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:08:59,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:08:59,258 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:08:59,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:08:59,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:08:59,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:08:59,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:08:59,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:08:59,262 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:08:59,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:08:59,264 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:08:59,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:08:59,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:08:59,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:08:59,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:08:59,266 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:08:59,267 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:08:59,267 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:08:59,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:08:59,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:08:59,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:08:59,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:08:59,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:08:59,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:08:59,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:08:59,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:08:59,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:08:59,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:08:59,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:08:59,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:08:59,271 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:08:59,271 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:08:59,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:08:59,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:08:59,272 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-10-28 23:08:59,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:08:59,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:08:59,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:08:59,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:08:59,770 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:08:59,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 23:08:59,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/753f06e8d/93119fed6aa640cbba8d9a35aa115598/FLAG3c3c19464 [2021-10-28 23:09:00,640 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:09:00,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-10-28 23:09:00,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/753f06e8d/93119fed6aa640cbba8d9a35aa115598/FLAG3c3c19464 [2021-10-28 23:09:00,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/data/753f06e8d/93119fed6aa640cbba8d9a35aa115598 [2021-10-28 23:09:00,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:09:00,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:09:00,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:09:00,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:09:00,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:09:00,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:09:00" (1/1) ... [2021-10-28 23:09:00,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d5434c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:00, skipping insertion in model container [2021-10-28 23:09:00,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:09:00" (1/1) ... [2021-10-28 23:09:00,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:09:00,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:09:01,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:09:01,425 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:09:01,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:09:01,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:09:01,506 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:09:01,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:09:01,669 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:09:01,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01 WrapperNode [2021-10-28 23:09:01,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:09:01,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:09:01,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:09:01,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:09:01,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:09:01,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:09:01,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:09:01,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:09:01,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (1/1) ... [2021-10-28 23:09:01,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:09:01,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:09:01,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:09:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:09:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:09:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:09:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:09:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:09:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:09:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:09:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:09:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:09:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:09:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:09:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:09:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:09:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:09:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:09:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:09:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:09:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:09:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:09:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:09:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:09:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:09:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:09:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:09:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:09:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:09:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:09:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:09:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:09:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:09:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:09:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:09:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:09:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:09:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:09:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:09:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:09:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:09:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:09:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:09:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:09:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:09:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:09:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:09:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:09:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:09:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:09:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:09:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:09:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:09:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:09:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:09:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:09:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:09:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:09:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:09:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:09:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:09:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:09:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:09:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:09:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:09:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:09:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:09:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:09:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:09:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:09:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:09:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:09:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:09:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:09:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:09:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:09:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:09:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:09:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:09:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:09:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:09:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:09:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:09:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:09:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:09:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:09:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:09:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:09:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:09:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:09:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:09:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:09:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:09:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:09:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:09:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:09:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:09:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:09:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:09:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:09:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:09:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:09:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:09:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:09:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:09:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:09:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:09:01,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:09:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:09:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:09:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:09:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:09:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:09:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:09:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:09:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:09:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:09:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:09:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:09:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:09:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:09:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:09:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:09:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:09:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:09:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:09:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:09:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:09:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:09:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:09:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:09:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:09:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:09:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:09:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:09:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:09:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:09:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:09:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:09:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:09:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:09:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:09:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:09:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:09:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:09:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:09:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:09:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:09:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:09:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:09:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:09:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:09:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:09:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:09:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:09:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:09:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:09:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:09:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:09:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:09:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:09:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:09:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:09:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:09:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:09:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:09:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:09:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:09:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:09:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:09:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:09:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:09:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:09:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:09:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:09:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:09:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:09:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:09:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:09:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:09:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:09:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:09:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:09:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:09:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:09:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:09:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:09:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:09:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:09:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:09:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:09:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:09:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:09:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:09:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:09:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:09:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:09:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:09:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:09:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:09:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:09:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:09:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:09:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:09:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:09:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:09:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:09:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:09:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:09:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:09:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:09:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:09:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:09:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:09:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:09:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:09:02,640 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:09:03,068 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:09:03,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:09:03,458 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:09:03,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:09:03 BoogieIcfgContainer [2021-10-28 23:09:03,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:09:03,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:09:03,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:09:03,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:09:03,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:09:00" (1/3) ... [2021-10-28 23:09:03,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2a1c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:09:03, skipping insertion in model container [2021-10-28 23:09:03,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:01" (2/3) ... [2021-10-28 23:09:03,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2a1c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:09:03, skipping insertion in model container [2021-10-28 23:09:03,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:09:03" (3/3) ... [2021-10-28 23:09:03,476 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2021-10-28 23:09:03,482 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:09:03,482 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2021-10-28 23:09:03,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:09:03,539 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 23:09:03,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2021-10-28 23:09:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-10-28 23:09:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:09:03,566 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:09:03,567 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:09:03,567 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 23:09:03,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:03,573 INFO L85 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2021-10-28 23:09:03,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:09:03,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625623102] [2021-10-28 23:09:03,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:03,589 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:09:03,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:09:03,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:09:03,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:09:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:03,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:09:03,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:09:04,033 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 23:09:04,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:09:04,117 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 23:09:04,119 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:09:04,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625623102] [2021-10-28 23:09:04,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625623102] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:04,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:04,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:09:04,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165569354] [2021-10-28 23:09:04,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:09:04,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:09:04,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:09:04,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:09:04,150 INFO L87 Difference]: Start difference. First operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 23:09:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:09:04,199 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-10-28 23:09:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:09:04,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-10-28 23:09:04,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:09:04,211 INFO L225 Difference]: With dead ends: 29 [2021-10-28 23:09:04,211 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 23:09:04,213 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:09:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 23:09:04,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 23:09:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 23:09:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-10-28 23:09:04,248 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2021-10-28 23:09:04,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:09:04,249 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-10-28 23:09:04,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 23:09:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-10-28 23:09:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:09:04,250 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:09:04,250 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:09:04,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:09:04,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:09:04,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 23:09:04,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:04,464 INFO L85 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2021-10-28 23:09:04,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:09:04,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141811570] [2021-10-28 23:09:04,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:04,465 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:09:04,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:09:04,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:09:04,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:09:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:04,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:09:04,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:09:04,860 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 23:09:04,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:09:05,014 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 23:09:05,015 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:09:05,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141811570] [2021-10-28 23:09:05,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141811570] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:05,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:05,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-28 23:09:05,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343399098] [2021-10-28 23:09:05,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:09:05,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:09:05,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:09:05,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:09:05,019 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 23:09:05,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:09:05,160 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-10-28 23:09:05,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:09:05,161 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 14 [2021-10-28 23:09:05,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:09:05,164 INFO L225 Difference]: With dead ends: 35 [2021-10-28 23:09:05,164 INFO L226 Difference]: Without dead ends: 35 [2021-10-28 23:09:05,165 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:09:05,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-28 23:09:05,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2021-10-28 23:09:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 23:09:05,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-10-28 23:09:05,171 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2021-10-28 23:09:05,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:09:05,171 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-10-28 23:09:05,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 23:09:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-10-28 23:09:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:09:05,175 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:09:05,175 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:09:05,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:09:05,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:09:05,387 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 23:09:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:05,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2021-10-28 23:09:05,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:09:05,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969624905] [2021-10-28 23:09:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:05,389 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:09:05,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:09:05,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:09:05,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:09:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:05,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:09:05,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:09:05,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:09:05,698 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 23:09:05,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:09:05,796 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 23:09:05,796 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:09:05,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969624905] [2021-10-28 23:09:05,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969624905] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:05,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:05,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:09:05,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633968394] [2021-10-28 23:09:05,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:09:05,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:09:05,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:09:05,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:09:05,803 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 23:09:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:09:05,862 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-10-28 23:09:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:09:05,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-28 23:09:05,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:09:05,864 INFO L225 Difference]: With dead ends: 30 [2021-10-28 23:09:05,864 INFO L226 Difference]: Without dead ends: 30 [2021-10-28 23:09:05,869 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:09:05,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-28 23:09:05,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:09:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-28 23:09:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-10-28 23:09:05,886 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2021-10-28 23:09:05,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:09:05,887 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-10-28 23:09:05,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 23:09:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-10-28 23:09:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:09:05,895 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:09:05,895 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:09:05,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:09:06,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:09:06,108 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 23:09:06,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2021-10-28 23:09:06,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:09:06,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560931050] [2021-10-28 23:09:06,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:06,114 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:09:06,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:09:06,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:09:06,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:09:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:06,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:09:06,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:09:06,372 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 23:09:06,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:09:06,446 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 23:09:06,446 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:09:06,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560931050] [2021-10-28 23:09:06,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560931050] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:06,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:06,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:09:06,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127681546] [2021-10-28 23:09:06,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:09:06,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:09:06,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:09:06,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:09:06,449 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 23:09:06,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:09:06,481 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-10-28 23:09:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:09:06,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-10-28 23:09:06,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:09:06,483 INFO L225 Difference]: With dead ends: 34 [2021-10-28 23:09:06,484 INFO L226 Difference]: Without dead ends: 34 [2021-10-28 23:09:06,484 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:09:06,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-28 23:09:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-10-28 23:09:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-10-28 23:09:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-10-28 23:09:06,490 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2021-10-28 23:09:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:09:06,490 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-10-28 23:09:06,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-28 23:09:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-10-28 23:09:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:09:06,492 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:09:06,492 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:09:06,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:09:06,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:09:06,706 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-10-28 23:09:06,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:06,706 INFO L85 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2021-10-28 23:09:06,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:09:06,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808680215] [2021-10-28 23:09:06,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:06,708 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:09:06,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:09:06,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:09:06,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:09:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:09:06,894 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:09:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:09:06,943 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 23:09:06,944 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:09:06,945 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:09:06,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:09:06,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:09:06,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:09:06,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:09:06,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:09:06,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,955 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:09:06,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:09:06,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:09:06,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:09:06,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:09:06,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:09:06,962 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:09:06,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,963 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,964 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:09:06,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:09:07,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:09:07,178 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 23:09:07,182 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:09:07,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:09:07 BoogieIcfgContainer [2021-10-28 23:09:07,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:09:07,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:09:07,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:09:07,212 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:09:07,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:09:03" (3/4) ... [2021-10-28 23:09:07,216 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:09:07,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:09:07,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:09:07,303 INFO L168 Benchmark]: Toolchain (without parser) took 6438.41 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 35.7 MB in the beginning and 36.6 MB in the end (delta: -917.3 kB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:09:07,303 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:09:07,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.23 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.5 MB in the beginning and 42.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:09:07,308 INFO L168 Benchmark]: Boogie Preprocessor took 156.11 ms. Allocated memory is still 75.5 MB. Free memory was 42.1 MB in the beginning and 37.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:09:07,311 INFO L168 Benchmark]: RCFGBuilder took 1635.39 ms. Allocated memory is still 75.5 MB. Free memory was 37.4 MB in the beginning and 43.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:09:07,314 INFO L168 Benchmark]: TraceAbstraction took 3743.86 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 38.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:09:07,314 INFO L168 Benchmark]: Witness Printer took 88.52 ms. Allocated memory is still 94.4 MB. Free memory was 38.2 MB in the beginning and 36.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:09:07,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 806.23 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.5 MB in the beginning and 42.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 156.11 ms. Allocated memory is still 75.5 MB. Free memory was 42.1 MB in the beginning and 37.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1635.39 ms. Allocated memory is still 75.5 MB. Free memory was 37.4 MB in the beginning and 43.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3743.86 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 38.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * Witness Printer took 88.52 ms. Allocated memory is still 94.4 MB. Free memory was 38.2 MB in the beginning and 36.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 208 SDs, 0 SdLazy, 124 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:09:07,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6863899c-b932-4fbf-8286-f78765108636/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...