./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.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_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/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_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/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_35239c93-1c43-476d-9fae-98e73c5e27a2/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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 ................................................................................................................................... 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_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/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_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/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_35239c93-1c43-476d-9fae-98e73c5e27a2/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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:17:04,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:17:04,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:17:04,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:17:04,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:17:04,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:17:04,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:17:04,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:17:04,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:17:04,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:17:04,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:17:04,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:17:04,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:17:04,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:17:04,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:17:04,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:17:04,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:17:04,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:17:04,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:17:04,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:17:04,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:17:04,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:17:04,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:17:04,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:17:04,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:17:04,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:17:04,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:17:04,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:17:04,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:17:04,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:17:04,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:17:04,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:17:04,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:17:04,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:17:04,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:17:04,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:17:04,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:17:04,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:17:04,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:17:04,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:17:04,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:17:04,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:17:04,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:17:04,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:17:04,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:17:04,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:17:04,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:17:04,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:17:04,650 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:17:04,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:17:04,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:17:04,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:17:04,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:17:04,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:17:04,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:17:04,654 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:17:04,654 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:17:04,655 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:17:04,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:17:04,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:17:04,656 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:17:04,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:17:04,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:17:04,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:17:04,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:17:04,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:17:04,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:17:04,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:17:04,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:17:04,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:17:04,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:17:04,662 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_35239c93-1c43-476d-9fae-98e73c5e27a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-10-28 23:17:05,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:17:05,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:17:05,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:17:05,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:17:05,082 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:17:05,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 23:17:05,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/c21fa8e36/cea317cfd6234ea58261737eed531ec1/FLAGd9b0566b8 [2021-10-28 23:17:05,825 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:17:05,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 23:17:05,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/c21fa8e36/cea317cfd6234ea58261737eed531ec1/FLAGd9b0566b8 [2021-10-28 23:17:06,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/c21fa8e36/cea317cfd6234ea58261737eed531ec1 [2021-10-28 23:17:06,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:17:06,084 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:17:06,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:06,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:17:06,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:17:06,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:06" (1/1) ... [2021-10-28 23:17:06,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f086891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:06, skipping insertion in model container [2021-10-28 23:17:06,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:06" (1/1) ... [2021-10-28 23:17:06,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:17:06,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:17:06,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:06,624 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 23:17:06,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@328d6289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:06, skipping insertion in model container [2021-10-28 23:17:06,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:06,626 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:17:06,629 INFO L168 Benchmark]: Toolchain (without parser) took 542.70 ms. Allocated memory is still 92.3 MB. Free memory was 56.5 MB in the beginning and 63.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:17:06,631 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 65.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:17:06,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.44 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 63.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:17:06,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 65.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 528.44 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 63.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 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 23:17:09,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:17:09,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:17:09,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:17:09,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:17:09,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:17:09,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:17:09,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:17:09,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:17:09,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:17:09,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:17:09,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:17:09,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:17:09,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:17:09,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:17:09,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:17:09,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:17:09,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:17:09,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:17:09,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:17:09,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:17:09,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:17:09,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:17:09,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:17:09,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:17:09,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:17:09,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:17:09,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:17:09,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:17:09,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:17:09,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:17:09,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:17:09,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:17:09,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:17:09,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:17:09,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:17:09,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:17:09,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:17:09,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:17:09,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:17:09,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:17:09,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:17:09,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:17:09,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:17:09,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:17:09,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:17:09,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:17:09,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:17:09,307 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:17:09,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:17:09,308 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:17:09,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:17:09,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:17:09,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:17:09,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:17:09,311 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:17:09,311 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:17:09,311 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:17:09,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:17:09,312 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:17:09,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:17:09,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:17:09,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:17:09,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:17:09,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:17:09,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:17:09,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:17:09,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:17:09,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:17:09,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:17:09,316 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:17:09,317 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:17:09,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:17:09,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:17:09,318 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_35239c93-1c43-476d-9fae-98e73c5e27a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-10-28 23:17:09,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:17:09,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:17:09,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:17:09,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:17:09,859 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:17:09,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 23:17:09,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/65906063c/8dc4fd59697b462781a7120ebe10748b/FLAG402c1f5b1 [2021-10-28 23:17:10,817 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:17:10,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-10-28 23:17:10,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/65906063c/8dc4fd59697b462781a7120ebe10748b/FLAG402c1f5b1 [2021-10-28 23:17:11,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/data/65906063c/8dc4fd59697b462781a7120ebe10748b [2021-10-28 23:17:11,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:17:11,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:17:11,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:11,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:17:11,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:17:11,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:11,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2a78a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11, skipping insertion in model container [2021-10-28 23:17:11,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:11,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:17:11,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:17:11,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:11,696 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:17:11,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:17:11,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:11,860 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:17:11,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:11,985 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:17:11,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11 WrapperNode [2021-10-28 23:17:11,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:11,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:17:11,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:17:11,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:17:12,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:17:12,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:17:12,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:17:12,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:17:12,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (1/1) ... [2021-10-28 23:17:12,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:17:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:17:12,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:17:12,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:17:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:17:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:17:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:17:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:17:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:17:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:17:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:17:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:17:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:17:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:17:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:17:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:17:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:17:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:17:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:17:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:17:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:17:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:17:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:17:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:17:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:17:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:17:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:17:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:17:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:17:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:17:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:17:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:17:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:17:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:17:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:17:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:17:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:17:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:17:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:17:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:17:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:17:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:17:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:17:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:17:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:17:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:17:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:17:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:17:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:17:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:17:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:17:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:17:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:17:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:17:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:17:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:17:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:17:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:17:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:17:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:17:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:17:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:17:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:17:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:17:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:17:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:17:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:17:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:17:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:17:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:17:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:17:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:17:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:17:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:17:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:17:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:17:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:17:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:17:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:17:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:17:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:17:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:17:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:17:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:17:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:17:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:17:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:17:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:17:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:17:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:17:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:17:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:17:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:17:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:17:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:17:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:17:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:17:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:17:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:17:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:17:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:17:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:17:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:17:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:17:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:17:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:17:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:17:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:17:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:17:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:17:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:17:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:17:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:17:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:17:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:17:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:17:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:17:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:17:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:17:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:17:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:17:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:17:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:17:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:17:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:17:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:17:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:17:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:17:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:17:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:17:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:17:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:17:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:17:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:17:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:17:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:17:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:17:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:17:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:17:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:17:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:17:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:17:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:17:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:17:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:17:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:17:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:17:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:17:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:17:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:17:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:17:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:17:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:17:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:17:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:17:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:17:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:17:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:17:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:17:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:17:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:17:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:17:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:17:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:17:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:17:13,000 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:17:13,510 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:17:13,923 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:17:13,924 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:17:13,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:13 BoogieIcfgContainer [2021-10-28 23:17:13,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:17:13,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:17:13,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:17:13,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:17:13,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:17:11" (1/3) ... [2021-10-28 23:17:13,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abaf82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:17:13, skipping insertion in model container [2021-10-28 23:17:13,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:11" (2/3) ... [2021-10-28 23:17:13,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abaf82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:17:13, skipping insertion in model container [2021-10-28 23:17:13,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:13" (3/3) ... [2021-10-28 23:17:13,938 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2021-10-28 23:17:13,944 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:17:13,945 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 23:17:13,995 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:17:14,002 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 23:17:14,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 23:17:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 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 23:17:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:17:14,033 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:14,034 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:14,035 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 70 more)] === [2021-10-28 23:17:14,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:14,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2021-10-28 23:17:14,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:17:14,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185676632] [2021-10-28 23:17:14,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:14,075 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:17:14,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:17:14,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:17:14,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:17:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:14,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:17:14,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:17:14,473 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 23:17:14,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:17:14,587 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 23:17:14,589 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:17:14,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185676632] [2021-10-28 23:17:14,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185676632] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:14,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:14,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:17:14,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860266016] [2021-10-28 23:17:14,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:17:14,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:17:14,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:17:14,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:17:14,635 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 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 23:17:14,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:14,681 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-10-28 23:17:14,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:17:14,684 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 23:17:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:14,693 INFO L225 Difference]: With dead ends: 24 [2021-10-28 23:17:14,693 INFO L226 Difference]: Without dead ends: 21 [2021-10-28 23:17:14,695 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 23:17:14,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-28 23:17:14,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 23:17:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 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 23:17:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-10-28 23:17:14,734 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2021-10-28 23:17:14,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:14,735 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-10-28 23:17:14,736 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 23:17:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-10-28 23:17:14,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:17:14,736 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:14,737 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:14,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:17:14,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:17:14,950 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 70 more)] === [2021-10-28 23:17:14,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2021-10-28 23:17:14,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:17:14,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293824686] [2021-10-28 23:17:14,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:14,953 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:17:14,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:17:14,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:17:14,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:17:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:15,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:17:15,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:17:15,401 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 23:17:15,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:17:15,571 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 23:17:15,572 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:17:15,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293824686] [2021-10-28 23:17:15,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293824686] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:15,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:15,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-28 23:17:15,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56252422] [2021-10-28 23:17:15,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:17:15,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:17:15,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:17:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:17:15,577 INFO L87 Difference]: Start difference. First operand 21 states and 21 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 23:17:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:15,722 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-10-28 23:17:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:17:15,723 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 23:17:15,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:15,726 INFO L225 Difference]: With dead ends: 28 [2021-10-28 23:17:15,727 INFO L226 Difference]: Without dead ends: 28 [2021-10-28 23:17:15,728 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:17:15,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-28 23:17:15,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2021-10-28 23:17:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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 23:17:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-10-28 23:17:15,734 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2021-10-28 23:17:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:15,734 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-10-28 23:17:15,735 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 23:17:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-10-28 23:17:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:17:15,736 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:15,736 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:15,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:17:15,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:17:15,959 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 70 more)] === [2021-10-28 23:17:15,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:15,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2021-10-28 23:17:15,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:17:15,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29461125] [2021-10-28 23:17:15,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:15,960 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:17:15,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:17:15,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:17:15,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:17:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:16,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:17:16,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:17:16,241 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 23:17:16,304 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 23:17:16,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:17:16,416 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 23:17:16,416 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:17:16,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29461125] [2021-10-28 23:17:16,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29461125] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:16,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:16,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:17:16,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669955154] [2021-10-28 23:17:16,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:17:16,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:17:16,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:17:16,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:17:16,424 INFO L87 Difference]: Start difference. First operand 20 states and 20 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 23:17:16,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:16,480 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-10-28 23:17:16,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:17:16,482 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 23:17:16,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:16,485 INFO L225 Difference]: With dead ends: 26 [2021-10-28 23:17:16,485 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 23:17:16,486 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 23:17:16,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 23:17:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 23:17:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 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 23:17:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-10-28 23:17:16,495 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2021-10-28 23:17:16,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:16,496 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-10-28 23:17:16,496 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 23:17:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-10-28 23:17:16,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:17:16,501 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:16,502 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:16,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:17:16,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:17:16,715 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 70 more)] === [2021-10-28 23:17:16,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:16,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2021-10-28 23:17:16,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:17:16,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894663383] [2021-10-28 23:17:16,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:16,716 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:17:16,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:17:16,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:17:16,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:17:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:16,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:17:16,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:17:17,002 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 23:17:17,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:17:17,071 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 23:17:17,071 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:17:17,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894663383] [2021-10-28 23:17:17,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894663383] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:17,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:17,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 23:17:17,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403841520] [2021-10-28 23:17:17,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:17:17,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:17:17,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:17:17,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:17:17,073 INFO L87 Difference]: Start difference. First operand 26 states and 26 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 23:17:17,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:17,102 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-10-28 23:17:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:17:17,103 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 23:17:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:17:17,104 INFO L225 Difference]: With dead ends: 27 [2021-10-28 23:17:17,104 INFO L226 Difference]: Without dead ends: 27 [2021-10-28 23:17:17,104 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 23:17:17,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-28 23:17:17,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-10-28 23:17:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 23:17:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-28 23:17:17,109 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2021-10-28 23:17:17,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:17:17,110 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-10-28 23:17:17,110 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 23:17:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-28 23:17:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:17:17,111 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:17:17,111 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 23:17:17,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:17:17,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:17:17,324 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:17:17,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:17,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2021-10-28 23:17:17,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:17:17,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333415650] [2021-10-28 23:17:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:17,325 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:17:17,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:17:17,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:17:17,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:17:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:17,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:17:17,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:17:17,815 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 23:17:17,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:17:27,493 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_28|)))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_entry_point_#t~ret38.base_28| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))) (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))))))) is different from false [2021-10-28 23:17:27,686 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:17:27,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333415650] [2021-10-28 23:17:27,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_3 v_antiDerIndex_entry0_1))} [2021-10-28 23:17:27,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [542287327] [2021-10-28 23:17:27,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:27,688 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 23:17:27,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/cvc4 [2021-10-28 23:17:27,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 23:17:27,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-28 23:17:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:28,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:17:28,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:17:28,147 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 23:17:28,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-28 23:17:38,762 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 23:17:38,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:17:42,983 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_7| |c_#valid|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 23:17:43,089 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| c_entry_point_~p~0.base (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 23:17:47,473 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_37| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_37|)))))) (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| |v_entry_point_#t~ret38.base_37| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 23:17:47,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_8| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_7)=(= (select v_prenex_7 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_8| v_entry_point_~p~0.base_12 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-28 23:17:47,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422486074] [2021-10-28 23:17:47,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:47,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:17:47,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:17:47,647 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:17:47,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:17:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:47,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:17:47,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:17:48,108 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 23:17:48,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:17:52,345 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 23:17:54,750 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |c_entry_point_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 23:17:54,926 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_entry_point_#t~ret38.base_46| (_ bv0 1))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_46|)))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-10-28 23:17:55,210 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 23:17:55,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 76 treesize of output 123 [2021-10-28 23:17:56,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:17:56,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2021-10-28 23:17:56,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 23:17:57,453 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:17:57,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2021-10-28 23:17:59,927 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg v_arrayElimCell_8))))) (or (= (bvadd .cse0 (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_6)))) (_ bv0 1)) (not (= .cse0 (_ bv0 1)))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-28 23:18:01,954 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg (bvneg (bvneg v_arrayElimCell_8))))))) (or (not (= (_ bv0 1) (bvneg .cse0))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_6))))) .cse0))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-28 23:18:04,017 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_8 (_ BitVec 1)) (v_antiDerIndex_entry0_6 (_ BitVec 32)) (|v_ldv_malloc_#res.base_40| (_ BitVec 32))) (let ((.cse0 (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg v_arrayElimCell_8)))))))) (or (not (= (_ bv0 1) .cse0)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_40|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_40| (_ bv0 1)) v_antiDerIndex_entry0_6)))))) .cse0))))) (exists ((|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret38.base_46|)))))))) is different from true [2021-10-28 23:18:04,093 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 23:18:04,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422486074] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:04,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:04,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 10] imperfect sequences [] total 14 [2021-10-28 23:18:04,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704276414] [2021-10-28 23:18:04,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 23:18:04,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:18:04,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 23:18:04,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=159, Unknown=52, NotChecked=370, Total=650 [2021-10-28 23:18:04,096 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-10-28 23:18:11,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:11,148 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-10-28 23:18:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:18:11,148 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 18 [2021-10-28 23:18:11,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:11,149 INFO L225 Difference]: With dead ends: 28 [2021-10-28 23:18:11,149 INFO L226 Difference]: Without dead ends: 19 [2021-10-28 23:18:11,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 61 SyntacticMatches, 7 SemanticMatches, 25 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=76, Invalid=177, Unknown=59, NotChecked=390, Total=702 [2021-10-28 23:18:11,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-28 23:18:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-28 23:18:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 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 23:18:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-10-28 23:18:11,153 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2021-10-28 23:18:11,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:11,154 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-10-28 23:18:11,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-10-28 23:18:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-10-28 23:18:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:18:11,155 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:18:11,155 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 23:18:11,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:11,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:11,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:11,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:18:11,756 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:18:11,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:11,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1991238988, now seen corresponding path program 1 times [2021-10-28 23:18:11,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:18:11,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903580365] [2021-10-28 23:18:11,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:11,758 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:18:11,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:18:11,759 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:18:11,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 23:18:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:12,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:18:12,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:18:12,044 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 23:18:12,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 15 [2021-10-28 23:18:12,322 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 23:18:12,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:18:12,508 INFO L354 Elim1Store]: treesize reduction 11, result has 60.7 percent of original size [2021-10-28 23:18:12,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 43 [2021-10-28 23:18:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:12,709 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:18:12,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903580365] [2021-10-28 23:18:12,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903580365] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:12,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:12,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2021-10-28 23:18:12,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699002380] [2021-10-28 23:18:12,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 23:18:12,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:18:12,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 23:18:12,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:18:12,712 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-28 23:18:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:12,902 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-10-28 23:18:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:18:12,903 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 18 [2021-10-28 23:18:12,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:18:12,904 INFO L225 Difference]: With dead ends: 18 [2021-10-28 23:18:12,904 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:18:12,905 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-10-28 23:18:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:18:12,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:18:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:18:12,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-28 23:18:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:18:12,906 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:18:12,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-28 23:18:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:18:12,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:18:12,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:18:12,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:18:12,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:18:12,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:18:12,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:18:12,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-28 23:18:13,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:18:13,137 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 23:18:13,140 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:18:13,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:18:13 BoogieIcfgContainer [2021-10-28 23:18:13,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:18:13,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:18:13,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:18:13,146 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:18:13,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:13" (3/4) ... [2021-10-28 23:18:13,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:18:13,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-28 23:18:13,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:18:13,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-28 23:18:13,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-28 23:18:13,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-28 23:18:13,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-28 23:18:13,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-28 23:18:13,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-28 23:18:13,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-28 23:18:13,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-28 23:18:13,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-28 23:18:13,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-28 23:18:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-28 23:18:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-28 23:18:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-28 23:18:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:18:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-28 23:18:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-28 23:18:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-28 23:18:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-28 23:18:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-28 23:18:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-28 23:18:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-28 23:18:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-28 23:18:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-28 23:18:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-28 23:18:13,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-28 23:18:13,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-28 23:18:13,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-28 23:18:13,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-28 23:18:13,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-28 23:18:13,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-28 23:18:13,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-28 23:18:13,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-28 23:18:13,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-28 23:18:13,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-28 23:18:13,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-28 23:18:13,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-28 23:18:13,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-28 23:18:13,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-28 23:18:13,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-28 23:18:13,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-28 23:18:13,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-28 23:18:13,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-28 23:18:13,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-28 23:18:13,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-28 23:18:13,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-10-28 23:18:13,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:18:13,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:18:13,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:18:13,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:18:13,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:18:13,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:18:13,227 INFO L168 Benchmark]: Toolchain (without parser) took 62173.51 ms. Allocated memory was 52.4 MB in the beginning and 104.9 MB in the end (delta: 52.4 MB). Free memory was 27.5 MB in the beginning and 37.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:13,231 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 52.4 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:18:13,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.35 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.3 MB in the beginning and 50.6 MB in the end (delta: -23.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:13,233 INFO L168 Benchmark]: Boogie Preprocessor took 114.16 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 46.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:13,234 INFO L168 Benchmark]: RCFGBuilder took 1824.86 ms. Allocated memory is still 71.3 MB. Free memory was 46.2 MB in the beginning and 36.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:13,234 INFO L168 Benchmark]: TraceAbstraction took 59214.84 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 35.4 MB in the beginning and 42.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:13,235 INFO L168 Benchmark]: Witness Printer took 80.37 ms. Allocated memory is still 104.9 MB. Free memory was 42.8 MB in the beginning and 37.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:13,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 52.4 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 929.35 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.3 MB in the beginning and 50.6 MB in the end (delta: -23.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.16 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 46.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1824.86 ms. Allocated memory is still 71.3 MB. Free memory was 46.2 MB in the beginning and 36.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 59214.84 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 35.4 MB in the beginning and 42.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * Witness Printer took 80.37 ms. Allocated memory is still 104.9 MB. Free memory was 42.8 MB in the beginning and 37.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 59.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 105 SDtfs, 44 SDslu, 275 SDs, 0 SdLazy, 244 SolverSat, 26 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 173 SyntacticMatches, 11 SemanticMatches, 57 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 40.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 28.0s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 191 ConstructedInterpolants, 25 QuantifiedInterpolants, 1335 SizeOfPredicates, 5 NumberOfNonLiveVariables, 451 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 23:18:13,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35239c93-1c43-476d-9fae-98e73c5e27a2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...