./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer --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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer --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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:30,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:30,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:30,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:30,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:30,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:30,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:30,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:30,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:30,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:30,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:30,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:30,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:30,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:30,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:30,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:30,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:30,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:30,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:30,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:30,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:30,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:30,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:30,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:30,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:30,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:30,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:30,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:30,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:30,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:30,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:30,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:30,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:30,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:30,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:30,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:30,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:30,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:30,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:30,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:30,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:30,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 01:10:30,472 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:30,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:30,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:30,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:30,475 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:30,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:30,475 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:30,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:10:30,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:30,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:30,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:30,477 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:10:30,478 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:10:30,478 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:10:30,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:30,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:10:30,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:30,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:30,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:30,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:30,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:30,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:10:30,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:30,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:30,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:30,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:10:30,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:30,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:30,481 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-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2020-11-30 01:10:30,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:30,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:30,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:30,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:30,806 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:30,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-11-30 01:10:30,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/c4e1e68ee/c6e945c20d5b4766a3d3ee70e6a87805/FLAG7429024ca [2020-11-30 01:10:31,439 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:31,440 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-11-30 01:10:31,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/c4e1e68ee/c6e945c20d5b4766a3d3ee70e6a87805/FLAG7429024ca [2020-11-30 01:10:31,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/c4e1e68ee/c6e945c20d5b4766a3d3ee70e6a87805 [2020-11-30 01:10:31,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:31,755 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 01:10:31,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:31,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:31,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:31,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:31" (1/1) ... [2020-11-30 01:10:31,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151452b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:31, skipping insertion in model container [2020-11-30 01:10:31,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:31" (1/1) ... [2020-11-30 01:10:31,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:31,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:32,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:32,339 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) [2020-11-30 01:10:32,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78b36e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32, skipping insertion in model container [2020-11-30 01:10:32,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:32,341 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 01:10:32,345 INFO L168 Benchmark]: Toolchain (without parser) took 587.48 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 73.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:32,346 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:32,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.11 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 73.2 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:32,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.11 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 73.2 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 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 0.2.0-a4ecdab [2020-11-30 01:10:34,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:34,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:34,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:34,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:34,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:34,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:34,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:34,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:34,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:34,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:34,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:34,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:34,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:34,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:34,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:34,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:34,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:34,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:34,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:34,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:34,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:34,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:34,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:34,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:34,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:34,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:34,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:34,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:34,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:34,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:34,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:34,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:34,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:34,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:34,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:34,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:34,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:34,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:34,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:34,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:34,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 01:10:34,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:34,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:34,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:34,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:34,657 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:34,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:34,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:34,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:10:34,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:34,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:34,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:34,658 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:10:34,659 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:10:34,659 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:10:34,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:34,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:10:34,660 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:10:34,660 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:10:34,660 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:34,660 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:34,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:34,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:34,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:34,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:10:34,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:34,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:34,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:34,662 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:10:34,662 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:10:34,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:34,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:10:34,663 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-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2020-11-30 01:10:35,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:35,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:35,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:35,088 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:35,089 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:35,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-11-30 01:10:35,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/285828a53/495a4637055546d391a7d92b2190c738/FLAG8359bd7ed [2020-11-30 01:10:35,892 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:35,892 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-11-30 01:10:35,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/285828a53/495a4637055546d391a7d92b2190c738/FLAG8359bd7ed [2020-11-30 01:10:36,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/data/285828a53/495a4637055546d391a7d92b2190c738 [2020-11-30 01:10:36,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:36,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 01:10:36,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:36,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:36,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:36,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:36" (1/1) ... [2020-11-30 01:10:36,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6669c169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:36, skipping insertion in model container [2020-11-30 01:10:36,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:36" (1/1) ... [2020-11-30 01:10:36,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:36,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:36,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:36,813 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 01:10:36,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:36,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:36,926 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:36,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:37,075 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:37,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37 WrapperNode [2020-11-30 01:10:37,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:37,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:37,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:37,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:37,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... [2020-11-30 01:10:37,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... [2020-11-30 01:10:37,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... [2020-11-30 01:10:37,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... [2020-11-30 01:10:37,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... [2020-11-30 01:10:37,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... [2020-11-30 01:10:37,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... [2020-11-30 01:10:37,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:37,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:37,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:37,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:37,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 01:10:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-30 01:10:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-30 01:10:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 01:10:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-30 01:10:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-30 01:10:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-30 01:10:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-30 01:10:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-30 01:10:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-30 01:10:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-30 01:10:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-30 01:10:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-30 01:10:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-30 01:10:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-30 01:10:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-30 01:10:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-30 01:10:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-30 01:10:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-30 01:10:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-30 01:10:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-30 01:10:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-30 01:10:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-30 01:10:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-30 01:10:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-30 01:10:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-30 01:10:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-30 01:10:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-30 01:10:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 01:10:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-30 01:10:37,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-30 01:10:37,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 01:10:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 01:10:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 01:10:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 01:10:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 01:10:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 01:10:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 01:10:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 01:10:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 01:10:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 01:10:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 01:10:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 01:10:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 01:10:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 01:10:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 01:10:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 01:10:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 01:10:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 01:10:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 01:10:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 01:10:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 01:10:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 01:10:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 01:10:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 01:10:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 01:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 01:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 01:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 01:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 01:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 01:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 01:10:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 01:10:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 01:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 01:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 01:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 01:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 01:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 01:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 01:10:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 01:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 01:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 01:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 01:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 01:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 01:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 01:10:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 01:10:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 01:10:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 01:10:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 01:10:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 01:10:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 01:10:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 01:10:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 01:10:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-30 01:10:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-30 01:10:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:10:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-30 01:10:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-30 01:10:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-30 01:10:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:10:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-30 01:10:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-30 01:10:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-30 01:10:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-30 01:10:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-30 01:10:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 01:10:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 01:10:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 01:10:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 01:10:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 01:10:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 01:10:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 01:10:37,967 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:10:38,639 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:10:39,062 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:39,062 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-30 01:10:39,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:39 BoogieIcfgContainer [2020-11-30 01:10:39,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:39,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:10:39,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:10:39,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:10:39,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:10:36" (1/3) ... [2020-11-30 01:10:39,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b0599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:10:39, skipping insertion in model container [2020-11-30 01:10:39,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:37" (2/3) ... [2020-11-30 01:10:39,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b0599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:10:39, skipping insertion in model container [2020-11-30 01:10:39,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:39" (3/3) ... [2020-11-30 01:10:39,077 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2020-11-30 01:10:39,089 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:10:39,094 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-30 01:10:39,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-30 01:10:39,146 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:10:39,147 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 01:10:39,147 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:10:39,147 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:10:39,147 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:10:39,147 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:10:39,147 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:10:39,147 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:10:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-11-30 01:10:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:10:39,177 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:39,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:39,179 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 01:10:39,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:39,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2020-11-30 01:10:39,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:10:39,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552478143] [2020-11-30 01:10:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 01:10:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:39,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:10:39,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:39,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:10:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:39,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552478143] [2020-11-30 01:10:39,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:39,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 01:10:39,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271906202] [2020-11-30 01:10:39,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:10:39,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:10:39,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:10:39,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:39,675 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2020-11-30 01:10:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:39,708 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-11-30 01:10:39,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:10:39,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-30 01:10:39,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:39,718 INFO L225 Difference]: With dead ends: 24 [2020-11-30 01:10:39,718 INFO L226 Difference]: Without dead ends: 21 [2020-11-30 01:10:39,720 INFO L677 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 [2020-11-30 01:10:39,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-30 01:10:39,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-11-30 01:10:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-30 01:10:39,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-11-30 01:10:39,753 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2020-11-30 01:10:39,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:39,753 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-11-30 01:10:39,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:10:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-11-30 01:10:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:10:39,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:39,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:39,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:10:39,967 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 01:10:39,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:39,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2020-11-30 01:10:39,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:10:39,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274900797] [2020-11-30 01:10:39,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 01:10:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:40,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:10:40,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:40,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:10:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:40,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274900797] [2020-11-30 01:10:40,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:40,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-11-30 01:10:40,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458427829] [2020-11-30 01:10:40,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 01:10:40,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:10:40,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 01:10:40,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:10:40,417 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2020-11-30 01:10:40,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:40,586 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-11-30 01:10:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:10:40,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-11-30 01:10:40,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:40,591 INFO L225 Difference]: With dead ends: 28 [2020-11-30 01:10:40,591 INFO L226 Difference]: Without dead ends: 28 [2020-11-30 01:10:40,592 INFO L677 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 [2020-11-30 01:10:40,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-30 01:10:40,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2020-11-30 01:10:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-30 01:10:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2020-11-30 01:10:40,597 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2020-11-30 01:10:40,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:40,598 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2020-11-30 01:10:40,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 01:10:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2020-11-30 01:10:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:10:40,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:40,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:40,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:10:40,816 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 01:10:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:40,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2020-11-30 01:10:40,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:10:40,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688735291] [2020-11-30 01:10:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 01:10:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:41,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:10:41,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:41,092 INFO L384 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 [2020-11-30 01:10:41,093 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:10:41,096 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:10:41,097 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:10:41,105 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-30 01:10:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:41,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:10:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:41,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688735291] [2020-11-30 01:10:41,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:41,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 01:10:41,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831913788] [2020-11-30 01:10:41,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:10:41,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:10:41,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:10:41,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:41,204 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2020-11-30 01:10:41,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:41,248 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-11-30 01:10:41,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:10:41,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-30 01:10:41,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:41,250 INFO L225 Difference]: With dead ends: 26 [2020-11-30 01:10:41,250 INFO L226 Difference]: Without dead ends: 26 [2020-11-30 01:10:41,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-11-30 01:10:41,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-30 01:10:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-30 01:10:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-11-30 01:10:41,254 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2020-11-30 01:10:41,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:41,255 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-11-30 01:10:41,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:10:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-11-30 01:10:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:10:41,256 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:41,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:41,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:10:41,457 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 01:10:41,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:41,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2020-11-30 01:10:41,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:10:41,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73804642] [2020-11-30 01:10:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 01:10:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:41,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:10:41,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:41,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:10:41,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:41,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73804642] [2020-11-30 01:10:41,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:41,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 01:10:41,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483514507] [2020-11-30 01:10:41,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:10:41,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:10:41,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:10:41,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:41,712 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2020-11-30 01:10:41,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:41,737 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2020-11-30 01:10:41,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:10:41,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-30 01:10:41,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:41,739 INFO L225 Difference]: With dead ends: 27 [2020-11-30 01:10:41,739 INFO L226 Difference]: Without dead ends: 27 [2020-11-30 01:10:41,740 INFO L677 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 [2020-11-30 01:10:41,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-30 01:10:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2020-11-30 01:10:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 01:10:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-30 01:10:41,746 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2020-11-30 01:10:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:41,747 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-30 01:10:41,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:10:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-30 01:10:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:10:41,748 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:41,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:41,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 01:10:41,958 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 01:10:41,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:41,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2020-11-30 01:10:41,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:10:41,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531472697] [2020-11-30 01:10:41,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 01:10:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:42,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 01:10:42,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:44,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:10:52,664 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_3| (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_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (select |c_old(#valid)| v_entry_point_~p~0.base_12) (_ bv0 1)))))) is different from false [2020-11-30 01:10:54,863 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 (= (select |c_#valid| |v_entry_point_#t~ret38.base_28|) (_ bv0 1))) (= |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 (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (select |c_old(#valid)| v_entry_point_~p~0.base_12) (_ bv0 1)))))) is different from false [2020-11-30 01:10:56,879 WARN L860 $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 (= (select |c_#valid| |v_entry_point_#t~ret38.base_28|) (_ bv0 1))) (= |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 (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (select |c_old(#valid)| v_entry_point_~p~0.base_12) (_ bv0 1)))))) is different from true [2020-11-30 01:10:56,894 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 01:10:56,907 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-11-30 01:10:56,938 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2020-11-30 01:10:56,944 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from true [2020-11-30 01:10:56,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 01:10:56,973 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-11-30 01:10:57,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 01:10:57,021 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-11-30 01:10:57,038 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_26| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_26|))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_ldv_malloc_#res.base_26| (_ bv0 1))))) is different from true [2020-11-30 01:10:57,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 01:10:57,068 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2020-11-30 01:10:57,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:57,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531472697] [2020-11-30 01:10:57,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:57,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 9] imperfect sequences [] total 13 [2020-11-30 01:10:57,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668918836] [2020-11-30 01:10:57,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 01:10:57,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:10:57,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 01:10:57,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=57, Unknown=19, NotChecked=76, Total=182 [2020-11-30 01:10:57,093 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 14 states. [2020-11-30 01:11:13,462 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (and (not (= (store |c_old(#valid)| |v_entry_point_#t~ret38.base_28| (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret38.base_28|)) (forall ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1))))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_3| (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-11-30 01:11:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:11:24,814 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-11-30 01:11:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:11:24,815 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-30 01:11:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:11:24,816 INFO L225 Difference]: With dead ends: 28 [2020-11-30 01:11:24,816 INFO L226 Difference]: Without dead ends: 19 [2020-11-30 01:11:24,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=36, Invalid=64, Unknown=30, NotChecked=110, Total=240 [2020-11-30 01:11:24,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-30 01:11:24,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-30 01:11:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 01:11:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-30 01:11:24,819 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2020-11-30 01:11:24,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:11:24,820 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-30 01:11:24,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 01:11:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-30 01:11:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:11:24,820 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:11:24,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:11:25,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 01:11:25,021 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 01:11:25,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:11:25,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1991238988, now seen corresponding path program 1 times [2020-11-30 01:11:25,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:11:25,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557994727] [2020-11-30 01:11:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-30 01:11:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:25,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 01:11:25,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:11:25,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:11:25,245 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-11-30 01:11:25,245 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:11:25,263 INFO L625 ElimStorePlain]: treesize reduction 4, result has 73.3 percent of original size [2020-11-30 01:11:25,264 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:11:25,264 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2020-11-30 01:11:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:25,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:11:25,561 INFO L384 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 20 treesize of output 9 [2020-11-30 01:11:25,561 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:11:25,564 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:11:25,565 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:11:25,565 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2020-11-30 01:11:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:11:25,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557994727] [2020-11-30 01:11:25,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:11:25,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2020-11-30 01:11:25,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348638681] [2020-11-30 01:11:25,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-30 01:11:25,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:11:25,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-30 01:11:25,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-11-30 01:11:25,635 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 15 states. [2020-11-30 01:11:25,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:11:25,828 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-11-30 01:11:25,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:11:25,829 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2020-11-30 01:11:25,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:11:25,829 INFO L225 Difference]: With dead ends: 18 [2020-11-30 01:11:25,829 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:11:25,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-11-30 01:11:25,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:11:25,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:11:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:11:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:11:25,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-30 01:11:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:11:25,830 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:11:25,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-30 01:11:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:11:25,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:11:26,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 01:11:26,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:11:26 BoogieIcfgContainer [2020-11-30 01:11:26,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:11:26,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:11:26,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:11:26,037 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:11:26,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:39" (3/4) ... [2020-11-30 01:11:26,041 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:11:26,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-11-30 01:11:26,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 01:11:26,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-11-30 01:11:26,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-11-30 01:11:26,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-11-30 01:11:26,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-11-30 01:11:26,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-11-30 01:11:26,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-30 01:11:26,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-11-30 01:11:26,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-11-30 01:11:26,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-11-30 01:11:26,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-11-30 01:11:26,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-11-30 01:11:26,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-11-30 01:11:26,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2020-11-30 01:11:26,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 01:11:26,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:11:26,064 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:11:26,064 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:26,120 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f0e1eab4-1d08-4a6f-88dc-9df0ff14559a/bin/uautomizer/witness.graphml [2020-11-30 01:11:26,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:11:26,122 INFO L168 Benchmark]: Toolchain (without parser) took 49958.69 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 43.0 MB in the beginning and 33.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:26,123 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:26,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.54 ms. Allocated memory is still 77.6 MB. Free memory was 63.1 MB in the beginning and 57.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:26,124 INFO L168 Benchmark]: Boogie Preprocessor took 89.25 ms. Allocated memory is still 77.6 MB. Free memory was 57.3 MB in the beginning and 52.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:26,124 INFO L168 Benchmark]: RCFGBuilder took 1897.70 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 52.8 MB in the beginning and 45.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:26,125 INFO L168 Benchmark]: TraceAbstraction took 46964.96 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 45.6 MB in the beginning and 38.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:26,125 INFO L168 Benchmark]: Witness Printer took 84.60 ms. Allocated memory is still 121.6 MB. Free memory was 38.5 MB in the beginning and 33.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:26,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 889.54 ms. Allocated memory is still 77.6 MB. Free memory was 63.1 MB in the beginning and 57.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.25 ms. Allocated memory is still 77.6 MB. Free memory was 57.3 MB in the beginning and 52.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1897.70 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 52.8 MB in the beginning and 45.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 46964.96 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 45.6 MB in the beginning and 38.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * Witness Printer took 84.60 ms. Allocated memory is still 121.6 MB. Free memory was 38.5 MB in the beginning and 33.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 593]: free always succeeds For all program executions holds that free 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: 594]: 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: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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: 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: 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: 549]: 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: 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: 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: 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: 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: 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: 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: 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 - 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 46.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 28.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 51 SDslu, 258 SDs, 0 SdLazy, 234 SolverSat, 27 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 25.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 137 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, 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, 15.9s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 20 QuantifiedInterpolants, 16387 SizeOfPredicates, 9 NumberOfNonLiveVariables, 391 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...