./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur --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 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:52:37,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:52:37,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:52:37,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:52:37,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:52:37,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:52:37,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:52:37,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:52:37,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:52:37,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:52:37,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:52:37,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:52:37,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:52:37,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:52:37,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:52:37,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:52:37,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:52:37,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:52:37,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:52:37,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:52:37,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:52:37,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:52:37,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:52:37,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:52:37,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:52:37,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:52:37,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:52:37,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:52:37,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:52:37,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:52:37,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:52:37,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:52:37,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:52:37,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:52:37,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:52:37,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:52:37,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:52:37,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:52:37,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:52:37,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:52:37,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:52:37,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 00:52:37,176 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:52:37,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:52:37,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:52:37,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:52:37,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:52:37,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:52:37,179 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:52:37,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:52:37,180 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:52:37,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:52:37,181 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:52:37,182 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:52:37,182 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:52:37,182 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:52:37,183 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:52:37,183 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:52:37,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:52:37,183 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:52:37,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:52:37,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:52:37,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:52:37,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:52:37,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:52:37,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:52:37,187 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:52:37,187 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:52:37,188 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:52:37,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:52:37,188 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:52:37,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:52:37,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:52:37,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:52:37,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:37,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:52:37,190 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:52:37,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:52:37,191 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:52:37,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:52:37,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:52:37,192 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_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 [2022-11-26 00:52:37,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:52:37,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:52:37,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:52:37,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:52:37,529 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:52:37,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2022-11-26 00:52:40,518 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:52:41,119 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:52:41,122 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2022-11-26 00:52:41,163 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data/158357aad/04deea648216458ca22e395953b6f71e/FLAG1c172342b [2022-11-26 00:52:41,183 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data/158357aad/04deea648216458ca22e395953b6f71e [2022-11-26 00:52:41,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:52:41,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:52:41,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:41,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:52:41,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:52:41,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:41" (1/1) ... [2022-11-26 00:52:41,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32170983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:41, skipping insertion in model container [2022-11-26 00:52:41,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:41" (1/1) ... [2022-11-26 00:52:41,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:52:41,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:52:42,937 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:52:42,950 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:52:42,952 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:52:42,954 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:52:42,968 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:52:42,970 WARN L623 FunctionHandler]: Unknown extern function ferror [2022-11-26 00:52:42,973 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 00:52:42,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bcc4d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:42, skipping insertion in model container [2022-11-26 00:52:42,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:42,974 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:52:42,978 INFO L158 Benchmark]: Toolchain (without parser) took 1783.96ms. Allocated memory is still 144.7MB. Free memory was 107.9MB in the beginning and 78.5MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-26 00:52:42,978 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:52:42,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1778.64ms. Allocated memory is still 144.7MB. Free memory was 107.9MB in the beginning and 78.5MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-26 00:52:42,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1778.64ms. Allocated memory is still 144.7MB. Free memory was 107.9MB in the beginning and 78.5MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur --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 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:52:45,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:52:45,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:52:45,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:52:45,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:52:45,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:52:45,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:52:45,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:52:45,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:52:45,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:52:45,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:52:45,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:52:45,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:52:45,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:52:45,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:52:45,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:52:45,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:52:45,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:52:45,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:52:45,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:52:45,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:52:45,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:52:45,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:52:45,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:52:45,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:52:45,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:52:45,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:52:45,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:52:45,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:52:45,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:52:45,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:52:45,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:52:45,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:52:45,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:52:45,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:52:45,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:52:45,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:52:45,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:52:45,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:52:45,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:52:45,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:52:45,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 00:52:45,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:52:45,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:52:45,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:52:45,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:52:45,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:52:45,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:52:45,446 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:52:45,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:52:45,447 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:52:45,447 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:52:45,448 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:52:45,448 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:52:45,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:52:45,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:52:45,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:52:45,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:52:45,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:52:45,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:52:45,450 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:52:45,451 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:52:45,451 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:52:45,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:52:45,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:52:45,452 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:52:45,452 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:52:45,453 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:52:45,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:52:45,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:52:45,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:52:45,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:45,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:52:45,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:52:45,454 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:52:45,455 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:52:45,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:52:45,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:52:45,455 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_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 [2022-11-26 00:52:45,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:52:45,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:52:45,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:52:45,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:52:45,880 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:52:45,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2022-11-26 00:52:48,971 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:52:49,400 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:52:49,401 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2022-11-26 00:52:49,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data/234f29180/a170c3873cec443bb14b775d8eae4ee7/FLAGd7f4bfdbb [2022-11-26 00:52:49,449 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a3715e-8281-4b9e-8d25-b5abc6952bd4/bin/utaipan-ByfvJB40ur/data/234f29180/a170c3873cec443bb14b775d8eae4ee7 [2022-11-26 00:52:49,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:52:49,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:52:49,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:49,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:52:49,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:52:49,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:49" (1/1) ... [2022-11-26 00:52:49,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a10daff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:49, skipping insertion in model container [2022-11-26 00:52:49,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:49" (1/1) ... [2022-11-26 00:52:49,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:52:49,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:52:50,860 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:52:50,874 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:52:50,882 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:52:50,885 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:52:50,909 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:52:50,921 WARN L623 FunctionHandler]: Unknown extern function ferror [2022-11-26 00:52:50,923 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 00:52:50,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43a673f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:50, skipping insertion in model container [2022-11-26 00:52:50,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:50,925 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:52:50,927 INFO L158 Benchmark]: Toolchain (without parser) took 1470.35ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 39.8MB in the end (delta: 8.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-26 00:52:50,927 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:52:50,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1464.46ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 40.0MB in the end (delta: 8.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-26 00:52:50,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1464.46ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 40.0MB in the end (delta: 8.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die 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