./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 ............................................................................................................................... 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_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:37:53,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:37:53,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:37:53,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:37:53,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:37:53,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:37:53,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:37:53,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:37:53,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:37:53,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:37:53,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:37:53,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:37:53,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:37:53,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:37:53,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:37:53,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:37:53,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:37:53,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:37:53,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:37:53,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:37:53,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:37:53,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:37:53,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:37:53,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:37:53,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:37:53,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:37:53,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:37:53,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:37:53,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:37:53,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:37:53,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:37:53,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:37:53,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:37:53,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:37:53,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:37:53,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:37:53,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:37:53,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:37:53,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:37:53,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:37:53,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:37:53,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-28 09:37:53,417 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:37:53,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:37:53,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:37:53,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:37:53,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:37:53,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:37:53,421 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:37:53,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:37:53,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:37:53,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:37:53,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:37:53,423 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:37:53,423 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:37:53,423 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:37:53,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:37:53,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:37:53,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:37:53,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:37:53,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:37:53,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:37:53,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:37:53,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:37:53,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:37:53,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:37:53,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:37:53,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:37:53,427 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_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2021-10-28 09:37:53,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:37:53,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:37:53,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:37:53,735 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:37:53,740 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:37:53,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-10-28 09:37:53,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/b96bc633a/c5de80762e95407a884f1dd40bd6bed1/FLAG3b4c41544 [2021-10-28 09:37:54,511 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:37:54,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-10-28 09:37:54,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/b96bc633a/c5de80762e95407a884f1dd40bd6bed1/FLAG3b4c41544 [2021-10-28 09:37:54,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/b96bc633a/c5de80762e95407a884f1dd40bd6bed1 [2021-10-28 09:37:54,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:37:54,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:37:54,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:54,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:37:54,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:37:54,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:54" (1/1) ... [2021-10-28 09:37:54,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab95781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:54, skipping insertion in model container [2021-10-28 09:37:54,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:54" (1/1) ... [2021-10-28 09:37:54,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:37:54,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:37:55,747 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2021-10-28 09:37:55,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ebb0a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:55, skipping insertion in model container [2021-10-28 09:37:55,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:55,758 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:37:55,761 INFO L168 Benchmark]: Toolchain (without parser) took 1108.43 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.4 MB in the beginning and 69.9 MB in the end (delta: -26.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:55,762 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:37:55,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1099.17 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 69.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:55,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1099.17 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 69.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:37:57,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:37:57,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:37:57,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:37:57,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:37:57,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:37:57,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:37:57,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:37:57,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:37:57,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:37:57,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:37:57,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:37:57,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:37:57,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:37:57,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:37:57,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:37:57,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:37:57,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:37:57,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:37:57,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:37:57,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:37:57,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:37:57,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:37:57,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:37:57,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:37:57,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:37:57,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:37:57,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:37:57,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:37:57,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:37:57,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:37:57,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:37:57,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:37:57,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:37:57,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:37:57,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:37:57,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:37:57,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:37:57,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:37:57,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:37:57,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:37:57,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-28 09:37:58,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:37:58,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:37:58,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:37:58,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:37:58,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:37:58,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:37:58,008 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:37:58,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:37:58,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:37:58,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:37:58,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:37:58,009 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:37:58,010 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:37:58,010 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:37:58,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:37:58,010 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:37:58,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:37:58,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:37:58,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:37:58,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:37:58,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:37:58,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:37:58,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:37:58,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:37:58,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:37:58,012 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:37:58,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:37:58,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:37:58,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:37:58,013 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_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2021-10-28 09:37:58,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:37:58,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:37:58,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:37:58,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:37:58,509 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:37:58,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-10-28 09:37:58,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/118448f68/c64ec2ca8819479eb631a04feaee6aa7/FLAG9dae2ec32 [2021-10-28 09:37:59,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:37:59,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-10-28 09:37:59,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/118448f68/c64ec2ca8819479eb631a04feaee6aa7/FLAG9dae2ec32 [2021-10-28 09:37:59,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e5ae5a-0217-43e5-8a10-3c5f1e883b13/bin/uautomizer-UnR33cPsHg/data/118448f68/c64ec2ca8819479eb631a04feaee6aa7 [2021-10-28 09:37:59,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:37:59,514 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:37:59,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:59,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:37:59,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:37:59,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:59" (1/1) ... [2021-10-28 09:37:59,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b11e124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:59, skipping insertion in model container [2021-10-28 09:37:59,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:59" (1/1) ... [2021-10-28 09:37:59,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:37:59,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:38:00,577 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2021-10-28 09:38:00,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ac06111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:38:00, skipping insertion in model container [2021-10-28 09:38:00,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:38:00,578 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:38:00,580 INFO L168 Benchmark]: Toolchain (without parser) took 1065.44 ms. Allocated memory is still 56.6 MB. Free memory was 30.1 MB in the beginning and 30.0 MB in the end (delta: 39.7 kB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:38:00,581 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:38:00,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1053.76 ms. Allocated memory is still 56.6 MB. Free memory was 29.9 MB in the beginning and 30.0 MB in the end (delta: -87.1 kB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:38:00,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1053.76 ms. Allocated memory is still 56.6 MB. Free memory was 29.9 MB in the beginning and 30.0 MB in the end (delta: -87.1 kB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...