./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/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_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 01:58:33,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:58:33,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:58:33,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:58:33,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:58:33,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:58:33,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:58:33,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:58:33,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:58:33,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:58:33,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:58:33,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:58:33,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:58:33,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:58:33,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:58:33,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:58:33,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:58:33,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:58:33,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:58:33,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:58:33,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:58:33,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:58:33,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:58:33,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:58:33,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:58:33,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:58:33,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:58:33,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:58:33,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:58:33,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:58:33,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:58:33,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:58:33,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:58:33,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:58:33,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:58:33,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:58:33,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:58:33,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:58:33,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:58:33,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:58:33,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:58:33,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 01:58:33,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:58:33,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:58:33,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:58:33,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:58:33,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:58:33,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:58:33,694 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:58:33,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:58:33,695 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:58:33,695 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:58:33,695 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:58:33,696 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:58:33,696 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:58:33,696 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:58:33,697 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:58:33,697 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:58:33,697 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:58:33,698 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:58:33,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:58:33,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:58:33,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:58:33,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:58:33,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:58:33,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:58:33,700 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:58:33,701 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:58:33,701 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:58:33,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:58:33,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:58:33,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:58:33,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:58:33,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:58:33,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:58:33,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:58:33,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:58:33,704 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:58:33,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:58:33,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:58:33,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:58:33,705 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_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 [2021-11-23 01:58:34,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:58:34,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:58:34,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:58:34,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:58:34,075 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:58:34,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-23 01:58:34,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/d94e5c92c/978a0f767b57435983412b8e7750398a/FLAG1305fee0c [2021-11-23 01:58:35,066 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:58:35,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-23 01:58:35,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/d94e5c92c/978a0f767b57435983412b8e7750398a/FLAG1305fee0c [2021-11-23 01:58:35,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/d94e5c92c/978a0f767b57435983412b8e7750398a [2021-11-23 01:58:35,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:58:35,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:58:35,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:58:35,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:58:35,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:58:35,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:58:35" (1/1) ... [2021-11-23 01:58:35,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e12be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:35, skipping insertion in model container [2021-11-23 01:58:35,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:58:35" (1/1) ... [2021-11-23 01:58:35,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:58:35,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:58:37,134 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 01:58:37,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@772fa481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:37, skipping insertion in model container [2021-11-23 01:58:37,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:58:37,137 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:58:37,140 INFO L158 Benchmark]: Toolchain (without parser) took 1597.91ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 55.2MB in the beginning and 61.8MB in the end (delta: -6.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:58:37,142 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:58:37,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1595.00ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 55.0MB in the beginning and 61.8MB in the end (delta: -6.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:58:37,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1595.00ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 55.0MB in the beginning and 61.8MB in the end (delta: -6.8MB). Peak memory consumption was 16.8MB. 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_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/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_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 01:58:39,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:58:39,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:58:39,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:58:39,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:58:39,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:58:39,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:58:39,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:58:39,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:58:39,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:58:39,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:58:39,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:58:39,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:58:39,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:58:39,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:58:39,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:58:39,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:58:39,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:58:39,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:58:40,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:58:40,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:58:40,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:58:40,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:58:40,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:58:40,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:58:40,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:58:40,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:58:40,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:58:40,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:58:40,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:58:40,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:58:40,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:58:40,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:58:40,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:58:40,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:58:40,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:58:40,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:58:40,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:58:40,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:58:40,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:58:40,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:58:40,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 01:58:40,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:58:40,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:58:40,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:58:40,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:58:40,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:58:40,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:58:40,110 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:58:40,110 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:58:40,111 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:58:40,111 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:58:40,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:58:40,113 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:58:40,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:58:40,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:58:40,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:58:40,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:58:40,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:58:40,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:58:40,116 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:58:40,116 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:58:40,117 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:58:40,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:58:40,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:58:40,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:58:40,118 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:58:40,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:58:40,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:58:40,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 01:58:40,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:58:40,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:58:40,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:58:40,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:58:40,121 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:58:40,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:58:40,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:58:40,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:58:40,122 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_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 [2021-11-23 01:58:40,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:58:40,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:58:40,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:58:40,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:58:40,606 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:58:40,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-23 01:58:40,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/78bfea355/83d1613202ee4cab9761d95beee7f047/FLAGb25879977 [2021-11-23 01:58:41,652 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:58:41,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-23 01:58:41,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/78bfea355/83d1613202ee4cab9761d95beee7f047/FLAGb25879977 [2021-11-23 01:58:42,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a933ee6a-6b23-4efc-820e-b7c2aa4a77ef/bin/utaipan-EQgc7hIp5V/data/78bfea355/83d1613202ee4cab9761d95beee7f047 [2021-11-23 01:58:42,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:58:42,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:58:42,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:58:42,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:58:42,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:58:42,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:58:42" (1/1) ... [2021-11-23 01:58:42,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcf2bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:42, skipping insertion in model container [2021-11-23 01:58:42,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:58:42" (1/1) ... [2021-11-23 01:58:42,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:58:42,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:58:43,945 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 01:58:43,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e053bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:43, skipping insertion in model container [2021-11-23 01:58:43,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:58:43,947 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:58:43,949 INFO L158 Benchmark]: Toolchain (without parser) took 1748.66ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 40.3MB in the beginning and 57.1MB in the end (delta: -16.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-23 01:58:43,950 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:58:43,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1742.97ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 40.2MB in the beginning and 57.1MB in the end (delta: -16.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-23 01:58:43,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1742.97ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 40.2MB in the beginning and 57.1MB in the end (delta: -16.9MB). Peak memory consumption was 11.8MB. 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