./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:43:44,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:43:44,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:43:44,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:43:44,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:43:44,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:43:44,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:43:44,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:43:44,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:43:44,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:43:44,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:43:44,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:43:44,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:43:44,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:43:44,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:43:44,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:43:44,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:43:44,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:43:44,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:43:44,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:43:44,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:43:44,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:43:44,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:43:44,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:43:44,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:43:44,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:43:44,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:43:44,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:43:44,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:43:44,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:43:44,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:43:44,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:43:44,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:43:44,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:43:44,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:43:44,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:43:44,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:43:44,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:43:44,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:43:44,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:43:44,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:43:44,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-11-13 18:43:44,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:43:44,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:43:44,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:43:44,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:43:44,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:43:44,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:43:44,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:43:44,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:43:44,268 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:43:44,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:43:44,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:43:44,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:43:44,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:43:44,270 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:43:44,271 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:43:44,271 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:43:44,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:43:44,271 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:43:44,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:43:44,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:43:44,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:43:44,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:43:44,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:43:44,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:43:44,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:43:44,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:43:44,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:43:44,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:43:44,274 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_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-13 18:43:44,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:43:44,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:43:44,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:43:44,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:43:44,615 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:43:44,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 18:43:44,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/231696ccb/15ab9f3931f24647a740879f7c574bbe/FLAGa98a14da3 [2021-11-13 18:43:45,420 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:43:45,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 18:43:45,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/231696ccb/15ab9f3931f24647a740879f7c574bbe/FLAGa98a14da3 [2021-11-13 18:43:45,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/231696ccb/15ab9f3931f24647a740879f7c574bbe [2021-11-13 18:43:45,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:43:45,566 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:43:45,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:43:45,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:43:45,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:43:45,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:43:45" (1/1) ... [2021-11-13 18:43:45,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b61aa29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:45, skipping insertion in model container [2021-11-13 18:43:45,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:43:45" (1/1) ... [2021-11-13 18:43:45,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:43:45,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:43:47,049 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-13 18:43:47,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2980fccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:47, skipping insertion in model container [2021-11-13 18:43:47,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:43:47,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 18:43:47,053 INFO L158 Benchmark]: Toolchain (without parser) took 1485.77ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 48.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 18:43:47,053 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 64.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:43:47,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1483.21ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 48.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 18:43:47,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 64.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1483.21ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 48.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:43:49,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:43:49,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:43:49,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:43:49,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:43:49,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:43:49,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:43:49,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:43:49,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:43:49,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:43:49,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:43:49,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:43:49,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:43:49,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:43:49,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:43:49,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:43:49,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:43:49,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:43:49,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:43:49,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:43:49,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:43:49,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:43:49,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:43:49,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:43:49,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:43:49,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:43:49,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:43:49,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:43:49,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:43:49,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:43:49,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:43:49,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:43:49,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:43:49,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:43:49,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:43:49,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:43:49,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:43:49,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:43:49,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:43:49,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:43:49,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:43:49,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-11-13 18:43:49,550 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:43:49,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:43:49,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:43:49,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:43:49,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:43:49,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:43:49,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:43:49,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:43:49,555 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:43:49,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:43:49,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:43:49,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:43:49,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:43:49,557 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:43:49,557 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:43:49,557 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:43:49,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:43:49,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:43:49,558 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:43:49,558 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:43:49,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:43:49,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:43:49,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:43:49,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:43:49,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:43:49,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:43:49,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:43:49,560 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:43:49,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:43:49,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:43:49,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:43:49,561 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_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-13 18:43:49,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:43:49,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:43:49,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:43:49,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:43:49,943 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:43:49,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 18:43:50,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/4f7f024be/251ebec7cf084cf286ad4ae2123a8751/FLAGb3181b3b6 [2021-11-13 18:43:50,926 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:43:50,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 18:43:50,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/4f7f024be/251ebec7cf084cf286ad4ae2123a8751/FLAGb3181b3b6 [2021-11-13 18:43:51,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f3973-37ab-4101-bde2-b5e79f1876bb/bin/uautomizer-YU5uOKAj3y/data/4f7f024be/251ebec7cf084cf286ad4ae2123a8751 [2021-11-13 18:43:51,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:43:51,006 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:43:51,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:43:51,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:43:51,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:43:51,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:43:51" (1/1) ... [2021-11-13 18:43:51,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e0eef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:51, skipping insertion in model container [2021-11-13 18:43:51,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:43:51" (1/1) ... [2021-11-13 18:43:51,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:43:51,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:43:52,477 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-13 18:43:52,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@653d6e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:43:52, skipping insertion in model container [2021-11-13 18:43:52,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:43:52,480 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 18:43:52,482 INFO L158 Benchmark]: Toolchain (without parser) took 1474.33ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 37.2MB in the end (delta: -11.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-13 18:43:52,484 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:43:52,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.89ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 37.2MB in the end (delta: 634.4kB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-11-13 18:43:52,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.89ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 37.2MB in the end (delta: 634.4kB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN