./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be --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 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be --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 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:40:45,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:40:45,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:40:45,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:40:45,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:40:45,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:40:45,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:40:45,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:40:45,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:40:45,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:40:45,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:40:45,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:40:45,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:40:45,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:40:45,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:40:45,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:40:45,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:40:45,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:40:45,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:40:45,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:40:45,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:40:45,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:40:45,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:40:45,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:40:45,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:40:45,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:40:45,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:40:45,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:40:45,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:40:45,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:40:45,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:40:45,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:40:45,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:40:45,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:40:45,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:40:45,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:40:45,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:40:45,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:40:45,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:40:45,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:40:45,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:40:45,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:40:45,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:40:45,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:40:45,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:40:45,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:40:45,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:40:45,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:40:45,493 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:40:45,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:40:45,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:40:45,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:40:45,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:40:45,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:40:45,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:40:45,495 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:40:45,495 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:40:45,495 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:40:45,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:40:45,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:40:45,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:40:45,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:40:45,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:40:45,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:40:45,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:40:45,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:40:45,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:40:45,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:40:45,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:40:45,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:40:45,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:40:45,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-10-21 19:40:45,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:40:45,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:40:45,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:40:45,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:40:45,838 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:40:45,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-21 19:40:45,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/82a9089b8/058684d5fc664b6a8415682a33ac584b/FLAG2710c3812 [2021-10-21 19:40:46,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:40:46,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-21 19:40:46,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/82a9089b8/058684d5fc664b6a8415682a33ac584b/FLAG2710c3812 [2021-10-21 19:40:46,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/82a9089b8/058684d5fc664b6a8415682a33ac584b [2021-10-21 19:40:46,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:40:46,758 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:40:46,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:40:46,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:40:46,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:40:46,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:40:46" (1/1) ... [2021-10-21 19:40:46,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2713a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:46, skipping insertion in model container [2021-10-21 19:40:46,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:40:46" (1/1) ... [2021-10-21 19:40:46,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:40:46,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:40:47,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:40:47,468 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-21 19:40:47,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@202c4343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47, skipping insertion in model container [2021-10-21 19:40:47,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:40:47,469 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:40:47,473 INFO L168 Benchmark]: Toolchain (without parser) took 713.07 ms. Allocated memory is still 111.1 MB. Free memory was 66.8 MB in the beginning and 81.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:47,474 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 111.1 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:40:47,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.22 ms. Allocated memory is still 111.1 MB. Free memory was 66.6 MB in the beginning and 81.7 MB in the end (delta: -15.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:47,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 111.1 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 705.22 ms. Allocated memory is still 111.1 MB. Free memory was 66.6 MB in the beginning and 81.7 MB in the end (delta: -15.1 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 0.2.1-dev-e943c26 [2021-10-21 19:40:50,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:40:50,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:40:50,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:40:50,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:40:50,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:40:50,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:40:50,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:40:50,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:40:50,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:40:50,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:40:50,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:40:50,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:40:50,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:40:50,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:40:50,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:40:50,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:40:50,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:40:50,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:40:50,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:40:50,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:40:50,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:40:50,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:40:50,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:40:50,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:40:50,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:40:50,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:40:50,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:40:50,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:40:50,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:40:50,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:40:50,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:40:50,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:40:50,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:40:50,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:40:50,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:40:50,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:40:50,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:40:50,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:40:50,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:40:50,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:40:50,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:40:50,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:40:50,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:40:50,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:40:50,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:40:50,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:40:50,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:40:50,324 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:40:50,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:40:50,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:40:50,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:40:50,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:40:50,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:40:50,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:40:50,327 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:40:50,327 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:40:50,328 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:40:50,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:40:50,328 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:40:50,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:40:50,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:40:50,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:40:50,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:40:50,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:40:50,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:40:50,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:40:50,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:40:50,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:40:50,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:40:50,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:40:50,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:40:50,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:40:50,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:40:50,333 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-10-21 19:40:50,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:40:50,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:40:50,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:40:50,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:40:50,877 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:40:50,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-21 19:40:50,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/04981904d/cd0a3fdef0874ee9b18f4e8086f6abec/FLAGc4f41baaf [2021-10-21 19:40:51,699 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:40:51,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-10-21 19:40:51,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/04981904d/cd0a3fdef0874ee9b18f4e8086f6abec/FLAGc4f41baaf [2021-10-21 19:40:51,927 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/data/04981904d/cd0a3fdef0874ee9b18f4e8086f6abec [2021-10-21 19:40:51,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:40:51,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:40:51,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:40:51,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:40:51,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:40:51,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:40:51" (1/1) ... [2021-10-21 19:40:51,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b81d1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:51, skipping insertion in model container [2021-10-21 19:40:51,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:40:51" (1/1) ... [2021-10-21 19:40:51,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:40:52,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:40:52,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:40:52,608 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:40:52,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:40:52,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:40:52,682 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:40:52,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:40:52,855 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:40:52,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52 WrapperNode [2021-10-21 19:40:52,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:40:52,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:40:52,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:40:52,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:40:52,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:40:52,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:40:52,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:40:52,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:40:52,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (1/1) ... [2021-10-21 19:40:52,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:40:53,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:40:53,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:40:53,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:40:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:40:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:40:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:40:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:40:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:40:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:40:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:40:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:40:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:40:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:40:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:40:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:40:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:40:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:40:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:40:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:40:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:40:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:40:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:40:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:40:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:40:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:40:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:40:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:40:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:40:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:40:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:40:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:40:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:40:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:40:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:40:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:40:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:40:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:40:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:40:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:40:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:40:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:40:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:40:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:40:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:40:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:40:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2021-10-21 19:40:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-10-21 19:40:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:40:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:40:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:40:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:40:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:40:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:40:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:40:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:40:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:40:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:40:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:40:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:40:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:40:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:40:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:40:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:40:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:40:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:40:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:40:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:40:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:40:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:40:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:40:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:40:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:40:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:40:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:40:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:40:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:40:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:40:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:40:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:40:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:40:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:40:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:40:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:40:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:40:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:40:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:40:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:40:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:40:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:40:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:40:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:40:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:40:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:40:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:40:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:40:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:40:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:40:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:40:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:40:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:40:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:40:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:40:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:40:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:40:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:40:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:40:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:40:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:40:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:40:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:40:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:40:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:40:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:40:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:40:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:40:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:40:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:40:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:40:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:40:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:40:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:40:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:40:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:40:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:40:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:40:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:40:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:40:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:40:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:40:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:40:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:40:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:40:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:40:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:40:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:40:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:40:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:40:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:40:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:40:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:40:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:40:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:40:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:40:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:40:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:40:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:40:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:40:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:40:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:40:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:40:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:40:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:40:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:40:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:40:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:40:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:40:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:40:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:40:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:40:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:40:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:40:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:40:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:40:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:40:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:40:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:40:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:40:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:40:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:40:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:40:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:40:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:40:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:40:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:40:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:40:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:40:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:40:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:40:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:40:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:40:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:40:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:40:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:40:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:40:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:40:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:40:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:40:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:40:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:40:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:40:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:40:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:40:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:40:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:40:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:40:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:40:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:40:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:40:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:40:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:40:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:40:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:40:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:40:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:40:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:40:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:40:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2021-10-21 19:40:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-10-21 19:40:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:40:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:40:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:40:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:40:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:40:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:40:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:40:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:40:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:40:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:40:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:40:53,898 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:40:54,335 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:40:54,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:40:54,676 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:40:54,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:40:54 BoogieIcfgContainer [2021-10-21 19:40:54,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:40:54,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:40:54,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:40:54,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:40:54,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:40:51" (1/3) ... [2021-10-21 19:40:54,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31945bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:40:54, skipping insertion in model container [2021-10-21 19:40:54,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:52" (2/3) ... [2021-10-21 19:40:54,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31945bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:40:54, skipping insertion in model container [2021-10-21 19:40:54,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:40:54" (3/3) ... [2021-10-21 19:40:54,689 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2021-10-21 19:40:54,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:40:54,697 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-21 19:40:54,752 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:40:54,760 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:40:54,760 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-21 19:40:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-21 19:40:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:40:54,790 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:54,791 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:54,792 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting g5Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:40:54,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:54,798 INFO L82 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2021-10-21 19:40:54,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:40:54,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641043499] [2021-10-21 19:40:54,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:54,815 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:40:54,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:40:54,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:40:54,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:40:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:55,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:40:55,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:40:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:55,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:40:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:55,591 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:40:55,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641043499] [2021-10-21 19:40:55,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641043499] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:55,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:55,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-21 19:40:55,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768468426] [2021-10-21 19:40:55,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:40:55,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:40:55,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:40:55,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:40:55,633 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:40:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:55,749 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-10-21 19:40:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:40:55,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-21 19:40:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:55,765 INFO L225 Difference]: With dead ends: 33 [2021-10-21 19:40:55,765 INFO L226 Difference]: Without dead ends: 30 [2021-10-21 19:40:55,767 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.7ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:40:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-21 19:40:55,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-21 19:40:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-21 19:40:55,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-10-21 19:40:55,811 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2021-10-21 19:40:55,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:55,812 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-10-21 19:40:55,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:40:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-10-21 19:40:55,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:40:55,814 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:55,814 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:55,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-21 19:40:56,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:40:56,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting g5Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:40:56,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:56,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2021-10-21 19:40:56,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:40:56,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073077369] [2021-10-21 19:40:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:56,032 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:40:56,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:40:56,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:40:56,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:40:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:56,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:40:56,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:40:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:56,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:40:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:57,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:40:57,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073077369] [2021-10-21 19:40:57,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073077369] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:57,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:57,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-10-21 19:40:57,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548100900] [2021-10-21 19:40:57,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-21 19:40:57,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:40:57,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 19:40:57,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:40:57,182 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 19:40:57,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:57,728 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-10-21 19:40:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-21 19:40:57,729 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 21 [2021-10-21 19:40:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:57,733 INFO L225 Difference]: With dead ends: 46 [2021-10-21 19:40:57,733 INFO L226 Difference]: Without dead ends: 46 [2021-10-21 19:40:57,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 516.2ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-10-21 19:40:57,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-21 19:40:57,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-10-21 19:40:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-21 19:40:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-21 19:40:57,746 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2021-10-21 19:40:57,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:57,750 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-21 19:40:57,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 19:40:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-21 19:40:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:40:57,753 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:57,753 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:57,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:40:57,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:40:57,967 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:40:57,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:57,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2021-10-21 19:40:57,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:40:57,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098315102] [2021-10-21 19:40:57,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:57,969 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:40:57,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:40:57,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:40:57,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:40:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:58,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:40:58,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:40:58,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-21 19:40:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:58,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:40:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:58,715 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:40:58,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098315102] [2021-10-21 19:40:58,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098315102] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:58,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:58,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-10-21 19:40:58,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745038313] [2021-10-21 19:40:58,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:40:58,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:40:58,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:40:58,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:40:58,722 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:40:58,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:58,880 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2021-10-21 19:40:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:40:58,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-10-21 19:40:58,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:58,882 INFO L225 Difference]: With dead ends: 43 [2021-10-21 19:40:58,882 INFO L226 Difference]: Without dead ends: 43 [2021-10-21 19:40:58,883 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 139.1ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:40:58,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-21 19:40:58,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-21 19:40:58,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 28 states have internal predecessors, (29), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-21 19:40:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2021-10-21 19:40:58,901 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2021-10-21 19:40:58,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:58,905 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2021-10-21 19:40:58,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:40:58,906 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2021-10-21 19:40:58,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:40:58,908 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:58,908 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:58,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:40:59,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:40:59,122 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:40:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:59,123 INFO L82 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2021-10-21 19:40:59,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:40:59,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910854431] [2021-10-21 19:40:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:59,124 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:40:59,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:40:59,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:40:59,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:40:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:59,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-21 19:40:59,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:40:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:59,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:40:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:59,860 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:40:59,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910854431] [2021-10-21 19:40:59,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910854431] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:59,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:59,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2021-10-21 19:40:59,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509355652] [2021-10-21 19:40:59,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:40:59,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:40:59,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:40:59,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:40:59,863 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:40:59,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:59,963 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-10-21 19:40:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:40:59,963 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-10-21 19:40:59,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:59,965 INFO L225 Difference]: With dead ends: 41 [2021-10-21 19:40:59,965 INFO L226 Difference]: Without dead ends: 41 [2021-10-21 19:40:59,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 105.9ms TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:40:59,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-21 19:40:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-10-21 19:40:59,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-21 19:40:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-10-21 19:40:59,972 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2021-10-21 19:40:59,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:59,972 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-10-21 19:40:59,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:40:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-10-21 19:40:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:40:59,976 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:59,977 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:59,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:41:00,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:41:00,177 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:41:00,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:41:00,178 INFO L82 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2021-10-21 19:41:00,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:41:00,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92947217] [2021-10-21 19:41:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:41:00,179 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:41:00,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:41:00,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:41:00,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:41:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:41:00,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:41:00,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:41:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:41:00,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:41:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:41:00,800 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:41:00,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92947217] [2021-10-21 19:41:00,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92947217] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:41:00,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:41:00,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:41:00,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785488199] [2021-10-21 19:41:00,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:41:00,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:41:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:41:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:41:00,803 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-10-21 19:41:00,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:41:00,842 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-10-21 19:41:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:41:00,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2021-10-21 19:41:00,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:41:00,844 INFO L225 Difference]: With dead ends: 42 [2021-10-21 19:41:00,844 INFO L226 Difference]: Without dead ends: 28 [2021-10-21 19:41:00,845 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:41:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-21 19:41:00,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-10-21 19:41:00,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-21 19:41:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-10-21 19:41:00,849 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2021-10-21 19:41:00,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:41:00,849 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-10-21 19:41:00,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-10-21 19:41:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-10-21 19:41:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 19:41:00,851 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:41:00,851 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:41:00,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:41:01,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:41:01,067 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:41:01,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:41:01,067 INFO L82 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2021-10-21 19:41:01,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:41:01,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30118244] [2021-10-21 19:41:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:41:01,068 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:41:01,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:41:01,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:41:01,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-21 19:41:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:41:01,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-21 19:41:01,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:41:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:41:01,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:41:14,722 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))))) is different from false [2021-10-21 19:41:14,857 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:41:14,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30118244] [2021-10-21 19:41:14,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1)=(= (select v_prenex_1 v_antiDerIndex_entry0_1) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_antiDerIndex_entry0_1))} [2021-10-21 19:41:14,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [389337140] [2021-10-21 19:41:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:41:14,858 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-21 19:41:14,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/cvc4 [2021-10-21 19:41:14,861 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-21 19:41:14,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-21 19:41:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:41:15,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-21 19:41:15,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:41:15,374 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-21 19:41:15,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-21 19:41:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:41:21,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:41:36,895 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_19| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_19| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))))) is different from false [2021-10-21 19:41:36,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_20| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_20| v_entry_point_~p~1.base_15 (_ bv0 1)) v_antiDerIndex_entry0_2) (select v_prenex_3 v_antiDerIndex_entry0_2))} [2021-10-21 19:41:36,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769645864] [2021-10-21 19:41:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:41:36,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:41:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:41:36,997 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:41:37,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 19:41:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:41:37,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-21 19:41:37,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:41:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:41:37,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:41:43,914 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_25| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_25| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_25| |c_#valid|))) is different from false [2021-10-21 19:41:47,802 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-21 19:41:47,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 65 treesize of output 112 [2021-10-21 19:41:48,295 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:41:48,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2021-10-21 19:41:49,085 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-21 19:41:49,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 80 treesize of output 127 [2021-10-21 19:41:50,552 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:41:50,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 44 [2021-10-21 19:41:50,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-21 19:41:51,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:41:51,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 103 [2021-10-21 19:41:53,975 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|)))))))))) (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (or (= (_ bv0 1) (bvadd (bvneg (select (store |c_#valid| |c_h5_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_8)) v_arrayElimCell_14)) (not (= (_ bv0 1) (bvneg v_arrayElimCell_14)))))) is different from true [2021-10-21 19:41:56,039 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_#valid| |c_h5_#t~ret38.base| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)) (not (= (_ bv0 1) .cse0))))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|))))))))))) is different from true [2021-10-21 19:41:58,148 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_#valid| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_h5_#t~ret38.base_78|)))) (not (= (_ bv0 1) .cse0))))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|))))))))))) is different from true [2021-10-21 19:42:00,223 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_8)))) (bvneg .cse0))) (not (= (_ bv0 1) .cse0))))) (exists ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse1 (bvneg v_arrayElimCell_14))) (and (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h5_#t~ret38.base_78|)))) (= (_ bv0 1) .cse1) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_old(#valid)| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse1)))))) (forall ((|v_old(#valid)_BEFORE_CALL_28| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_28| |v_entry_point_#t~ret39.base_48|)))))))))))) is different from true [2021-10-21 19:42:02,443 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (and (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h5_#t~ret38.base_78|)))) (= (_ bv0 1) .cse0) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_old(#valid)| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)))))) (forall ((|v_old(#valid)_BEFORE_CALL_28| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_28| |v_entry_point_#t~ret39.base_48|))))))))))) (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (|v_ldv_malloc_#res.base_63| (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_14))) (or (not (= (_ bv0 1) .cse1)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_63|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg .cse1))))) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_63| (_ bv0 1)) v_antiDerIndex_entry0_8)))))))))))))) is different from true [2021-10-21 19:42:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:02,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769645864] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:02,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:02,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 12] imperfect sequences [] total 20 [2021-10-21 19:42:02,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915917671] [2021-10-21 19:42:02,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-21 19:42:02,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:42:02,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-21 19:42:02,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=274, Unknown=55, NotChecked=344, Total=756 [2021-10-21 19:42:02,584 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2021-10-21 19:42:45,049 WARN L207 SmtUtils]: Spent 18.07 s on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2021-10-21 19:42:47,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:47,543 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2021-10-21 19:42:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:42:47,544 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) Word has length 27 [2021-10-21 19:42:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:47,545 INFO L225 Difference]: With dead ends: 27 [2021-10-21 19:42:47,545 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:42:47,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 86 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 85664.1ms TimeCoverageRelationStatistics Valid=102, Invalid=357, Unknown=79, NotChecked=392, Total=930 [2021-10-21 19:42:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:42:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:42:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:42:47,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-21 19:42:47,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:47,548 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:42:47,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2021-10-21 19:42:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:42:47,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:42:47,552 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,555 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,556 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,556 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,556 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,556 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,556 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:42:47,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:42:47,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:42:47,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:42:47,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,559 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,559 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,559 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,559 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,560 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:42:47,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:42:47,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:42:47,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:42:47,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:42:47,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:42:47,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:42:47,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:42:47,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:42:47,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:42:47,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:42:47,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:42:47,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:42:48,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/cvc4 --incremental --print-success --lang smt [2021-10-21 19:42:48,201 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:42:48,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:42:48 BoogieIcfgContainer [2021-10-21 19:42:48,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:42:48,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:42:48,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:42:48,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:42:48,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:40:54" (3/4) ... [2021-10-21 19:42:48,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:42:48,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-21 19:42:48,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:42:48,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-21 19:42:48,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-21 19:42:48,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-21 19:42:48,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-21 19:42:48,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:42:48,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-21 19:42:48,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-21 19:42:48,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-21 19:42:48,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-21 19:42:48,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-21 19:42:48,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-21 19:42:48,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-21 19:42:48,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-21 19:42:48,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-21 19:42:48,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-21 19:42:48,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-21 19:42:48,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-21 19:42:48,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g5 [2021-10-21 19:42:48,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-21 19:42:48,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-21 19:42:48,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-21 19:42:48,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-21 19:42:48,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-21 19:42:48,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-21 19:42:48,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-21 19:42:48,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-21 19:42:48,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h5 [2021-10-21 19:42:48,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-21 19:42:48,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-21 19:42:48,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-21 19:42:48,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-21 19:42:48,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-21 19:42:48,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-21 19:42:48,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-21 19:42:48,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-21 19:42:48,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-21 19:42:48,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-21 19:42:48,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-21 19:42:48,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-21 19:42:48,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-21 19:42:48,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-21 19:42:48,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-21 19:42:48,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-21 19:42:48,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-21 19:42:48,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-21 19:42:48,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-21 19:42:48,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-10-21 19:42:48,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 19:42:48,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:42:48,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:42:48,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:42:48,315 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:42:48,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:42:48,317 INFO L168 Benchmark]: Toolchain (without parser) took 116384.67 ms. Allocated memory was 71.3 MB in the beginning and 138.4 MB in the end (delta: 67.1 MB). Free memory was 53.7 MB in the beginning and 76.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:42:48,318 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 71.3 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:42:48,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.29 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 37.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:42:48,320 INFO L168 Benchmark]: Boogie Preprocessor took 117.08 ms. Allocated memory is still 71.3 MB. Free memory was 37.8 MB in the beginning and 33.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:42:48,321 INFO L168 Benchmark]: RCFGBuilder took 1703.43 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 33.0 MB in the beginning and 72.2 MB in the end (delta: -39.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:42:48,322 INFO L168 Benchmark]: TraceAbstraction took 113523.41 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 71.6 MB in the beginning and 81.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:42:48,323 INFO L168 Benchmark]: Witness Printer took 110.04 ms. Allocated memory is still 138.4 MB. Free memory was 81.8 MB in the beginning and 76.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:42:48,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 71.3 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 924.29 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 37.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.08 ms. Allocated memory is still 71.3 MB. Free memory was 37.8 MB in the beginning and 33.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1703.43 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 33.0 MB in the beginning and 72.2 MB in the end (delta: -39.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 113523.41 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 71.6 MB in the beginning and 81.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Witness Printer took 110.04 ms. Allocated memory is still 138.4 MB. Free memory was 81.8 MB in the beginning and 76.6 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 770]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 113449.4ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 25.1ms, AutomataDifference: 45988.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 153 SDtfs, 95 SDslu, 715 SDs, 0 SdLazy, 594 SolverSat, 30 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 12990.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 255 SyntacticMatches, 13 SemanticMatches, 72 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 86500.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 66.5ms AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 85.4ms SsaConstructionTime, 190.1ms SatisfiabilityAnalysisTime, 28094.4ms InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 260 ConstructedInterpolants, 17 QuantifiedInterpolants, 1697 SizeOfPredicates, 14 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 78 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-21 19:42:48,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2ad523-6860-44c6-8137-bfb21c7cfc3c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...