./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/wc-2.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_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:32:26,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:32:26,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:32:26,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:32:26,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:32:26,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:32:26,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:32:26,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:32:26,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:32:26,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:32:26,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:32:26,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:32:26,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:32:26,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:32:26,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:32:26,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:32:26,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:32:26,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:32:26,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:32:26,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:32:26,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:32:26,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:32:26,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:32:26,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:32:26,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:32:26,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:32:26,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:32:26,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:32:26,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:32:26,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:32:26,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:32:26,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:32:26,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:32:26,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:32:26,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:32:26,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:32:26,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:32:26,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:32:26,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:32:26,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:32:26,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:32:26,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 23:32:26,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:32:26,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:32:26,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:32:26,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:32:26,271 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:32:26,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:32:26,272 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:32:26,272 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:32:26,272 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:32:26,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:32:26,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:32:26,274 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:32:26,274 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:32:26,274 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:32:26,275 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:32:26,275 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:32:26,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:32:26,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:32:26,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:32:26,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:32:26,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:32:26,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:32:26,278 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:32:26,278 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:32:26,279 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:32:26,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:32:26,280 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:32:26,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:32:26,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:32:26,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:32:26,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:32:26,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:32:26,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:32:26,281 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:32:26,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:32:26,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:32:26,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:32:26,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 [2021-11-12 23:32:26,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:32:26,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:32:26,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:32:26,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:32:26,596 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:32:26,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-12 23:32:26,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/cdcd48500/927619b82a364284ae3b4c28ac708442/FLAG2a34a0327 [2021-11-12 23:32:27,359 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:32:27,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-12 23:32:27,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/cdcd48500/927619b82a364284ae3b4c28ac708442/FLAG2a34a0327 [2021-11-12 23:32:27,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/cdcd48500/927619b82a364284ae3b4c28ac708442 [2021-11-12 23:32:27,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:32:27,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:32:27,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:27,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:32:27,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:32:27,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:27" (1/1) ... [2021-11-12 23:32:27,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7340f64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:27, skipping insertion in model container [2021-11-12 23:32:27,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:27" (1/1) ... [2021-11-12 23:32:27,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:32:27,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:32:28,773 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-12 23:32:28,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47a519d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:28, skipping insertion in model container [2021-11-12 23:32:28,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:28,774 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:32:28,776 INFO L158 Benchmark]: Toolchain (without parser) took 1302.06ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 52.6MB in the beginning and 86.2MB in the end (delta: -33.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-12 23:32:28,777 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:32:28,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1299.53ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 52.4MB in the beginning and 86.2MB in the end (delta: -33.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-12 23:32:28,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1299.53ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 52.4MB in the beginning and 86.2MB in the end (delta: -33.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:32:30,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:32:31,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:32:31,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:32:31,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:32:31,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:32:31,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:32:31,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:32:31,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:32:31,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:32:31,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:32:31,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:32:31,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:32:31,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:32:31,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:32:31,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:32:31,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:32:31,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:32:31,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:32:31,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:32:31,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:32:31,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:32:31,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:32:31,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:32:31,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:32:31,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:32:31,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:32:31,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:32:31,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:32:31,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:32:31,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:32:31,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:32:31,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:32:31,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:32:31,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:32:31,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:32:31,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:32:31,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:32:31,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:32:31,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:32:31,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:32:31,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 23:32:31,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:32:31,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:32:31,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:32:31,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:32:31,115 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:32:31,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:32:31,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:32:31,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:32:31,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:32:31,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:32:31,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:32:31,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:32:31,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:32:31,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:32:31,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:32:31,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:32:31,118 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:32:31,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:32:31,118 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:32:31,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:32:31,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:32:31,119 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:32:31,119 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:32:31,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:32:31,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:32:31,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:32:31,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:32:31,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:32:31,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:32:31,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:32:31,121 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:32:31,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:32:31,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:32:31,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:32:31,121 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_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 [2021-11-12 23:32:31,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:32:31,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:32:31,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:32:31,512 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:32:31,512 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:32:31,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-12 23:32:31,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/77476f5ce/1cd57dcff60a484a804909886e7744fb/FLAG2eaff39bf [2021-11-12 23:32:32,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:32:32,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-12 23:32:32,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/77476f5ce/1cd57dcff60a484a804909886e7744fb/FLAG2eaff39bf [2021-11-12 23:32:32,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcff876a-5278-4b04-aa71-1e66b45804e5/bin/utaipan-vmNK8stdcF/data/77476f5ce/1cd57dcff60a484a804909886e7744fb [2021-11-12 23:32:32,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:32:32,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:32:32,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:32,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:32:32,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:32:32,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:32" (1/1) ... [2021-11-12 23:32:32,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6fcfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:32, skipping insertion in model container [2021-11-12 23:32:32,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:32:32" (1/1) ... [2021-11-12 23:32:32,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:32:32,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:32:33,841 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-12 23:32:33,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3496bab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:32:33, skipping insertion in model container [2021-11-12 23:32:33,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:32:33,843 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:32:33,845 INFO L158 Benchmark]: Toolchain (without parser) took 1337.18ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 39.3MB in the beginning and 74.1MB in the end (delta: -34.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-12 23:32:33,845 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:32:33,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.09ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 39.1MB in the beginning and 74.1MB in the end (delta: -35.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-12 23:32:33,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.09ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 39.1MB in the beginning and 74.1MB in the end (delta: -35.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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