./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f 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_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0 --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 c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 --- 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-e04fb08 [2022-11-16 19:55:50,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:55:50,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:55:50,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:55:50,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:55:50,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:55:50,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:55:50,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:55:50,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:55:50,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:55:50,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:55:50,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:55:50,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:55:50,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:55:50,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:55:50,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:55:50,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:55:50,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:55:50,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:55:50,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:55:50,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:55:50,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:55:50,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:55:50,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:55:50,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:55:50,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:55:50,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:55:50,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:55:50,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:55:50,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:55:50,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:55:50,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:55:50,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:55:50,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:55:50,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:55:50,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:55:50,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:55:50,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:55:50,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:55:50,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:55:50,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:55:50,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-16 19:55:50,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:55:50,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:55:50,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:55:50,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:55:50,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:55:50,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:55:50,191 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:55:50,191 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:55:50,191 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:55:50,192 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:55:50,192 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:55:50,192 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:55:50,193 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:55:50,193 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:55:50,193 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:55:50,194 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:55:50,194 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:55:50,194 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:55:50,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 19:55:50,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 19:55:50,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:55:50,196 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:55:50,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:55:50,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:55:50,197 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 19:55:50,197 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 19:55:50,197 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 19:55:50,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:55:50,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 19:55:50,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:55:50,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:55:50,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:55:50,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:55:50,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:55:50,200 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:55:50,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:55:50,200 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:55:50,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:55:50,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:55:50,201 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_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 [2022-11-16 19:55:50,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:55:50,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:55:50,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:55:50,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:55:50,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:55:50,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2022-11-16 19:55:50,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/ba89cd068/9615a1c001b140d6aa755ed5cfca899a/FLAG6f6446621 [2022-11-16 19:55:51,326 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:55:51,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2022-11-16 19:55:51,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/ba89cd068/9615a1c001b140d6aa755ed5cfca899a/FLAG6f6446621 [2022-11-16 19:55:51,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/ba89cd068/9615a1c001b140d6aa755ed5cfca899a [2022-11-16 19:55:51,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:55:51,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:55:51,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:55:51,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:55:51,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:55:51,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:51" (1/1) ... [2022-11-16 19:55:51,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209c9a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:51, skipping insertion in model container [2022-11-16 19:55:51,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:51" (1/1) ... [2022-11-16 19:55:51,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:55:51,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:55:53,138 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 [2022-11-16 19:55:53,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5795efe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:53, skipping insertion in model container [2022-11-16 19:55:53,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:55:53,140 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:55:53,142 INFO L158 Benchmark]: Toolchain (without parser) took 1629.00ms. Allocated memory is still 140.5MB. Free memory was 103.3MB in the beginning and 105.0MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 19:55:53,143 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:55:53,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.69ms. Allocated memory is still 140.5MB. Free memory was 103.0MB in the beginning and 105.0MB in the end (delta: -2.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 19:55:53,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.69ms. Allocated memory is still 140.5MB. Free memory was 103.0MB in the beginning and 105.0MB in the end (delta: -2.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2439]: 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_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0 --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 c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 --- 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-e04fb08 [2022-11-16 19:55:55,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:55:55,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:55:55,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:55:55,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:55:55,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:55:55,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:55:55,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:55:55,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:55:55,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:55:55,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:55:55,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:55:55,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:55:55,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:55:55,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:55:55,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:55:55,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:55:55,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:55:55,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:55:55,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:55:55,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:55:55,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:55:55,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:55:55,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:55:55,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:55:55,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:55:55,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:55:55,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:55:55,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:55:55,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:55:55,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:55:55,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:55:55,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:55:55,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:55:55,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:55:55,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:55:55,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:55:55,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:55:55,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:55:55,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:55:55,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:55:55,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-16 19:55:55,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:55:55,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:55:55,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:55:55,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:55:55,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:55:55,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:55:55,598 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:55:55,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:55:55,598 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:55:55,599 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:55:55,600 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:55:55,600 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:55:55,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 19:55:55,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 19:55:55,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:55:55,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:55:55,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:55:55,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:55:55,603 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 19:55:55,603 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 19:55:55,603 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 19:55:55,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:55:55,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 19:55:55,604 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 19:55:55,604 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 19:55:55,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:55:55,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:55:55,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 19:55:55,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:55:55,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:55:55,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:55:55,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:55:55,607 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 19:55:55,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 19:55:55,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:55:55,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 19:55:55,608 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_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 [2022-11-16 19:55:56,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:55:56,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:55:56,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:55:56,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:55:56,092 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:55:56,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2022-11-16 19:55:56,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/c471f056a/ab054ef6f6a342a5b31fbf1f339e1206/FLAGb77ac2396 [2022-11-16 19:55:57,018 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:55:57,018 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2022-11-16 19:55:57,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/c471f056a/ab054ef6f6a342a5b31fbf1f339e1206/FLAGb77ac2396 [2022-11-16 19:55:57,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74b6c80-848d-49c7-866c-123ac9618961/bin/utaipan-Xvt2sAort0/data/c471f056a/ab054ef6f6a342a5b31fbf1f339e1206 [2022-11-16 19:55:57,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:55:57,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:55:57,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:55:57,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:55:57,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:55:57,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:57" (1/1) ... [2022-11-16 19:55:57,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae8f765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:57, skipping insertion in model container [2022-11-16 19:55:57,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:57" (1/1) ... [2022-11-16 19:55:57,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:55:57,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:55:58,482 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 [2022-11-16 19:55:58,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8102b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:58, skipping insertion in model container [2022-11-16 19:55:58,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:55:58,486 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:55:58,489 INFO L158 Benchmark]: Toolchain (without parser) took 1395.29ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.7MB in the beginning and 49.4MB in the end (delta: -16.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-11-16 19:55:58,491 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:55:58,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1390.98ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.5MB in the beginning and 49.7MB in the end (delta: -17.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-11-16 19:55:58,495 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 58.7MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1390.98ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.5MB in the beginning and 49.7MB in the end (delta: -17.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2439]: 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