./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl --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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:22:07,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:22:07,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:22:07,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:22:07,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:22:07,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:22:07,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:22:07,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:22:07,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:22:07,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:22:07,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:22:07,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:22:07,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:22:07,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:22:07,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:22:07,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:22:07,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:22:07,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:22:07,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:22:07,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:22:07,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:22:07,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:22:07,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:22:07,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:22:07,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:22:07,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:22:07,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:22:07,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:22:07,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:22:07,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:22:07,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:22:07,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:22:07,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:22:07,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:22:07,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:22:07,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:22:07,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:22:07,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:22:07,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:22:07,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:22:07,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:22:07,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 17:22:07,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:22:07,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:22:07,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:22:07,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:22:07,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:22:07,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:22:07,758 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:22:07,759 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:22:07,759 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:22:07,759 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:22:07,760 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:22:07,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:22:07,761 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:22:07,761 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:22:07,762 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:22:07,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:22:07,762 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:22:07,763 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:22:07,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:22:07,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:22:07,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:22:07,764 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:22:07,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:22:07,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:22:07,767 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:22:07,767 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:22:07,767 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:22:07,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:22:07,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:22:07,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:22:07,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:22:07,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:22:07,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:07,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:22:07,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:22:07,769 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:22:07,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:22:07,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:22:07,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:22:07,770 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_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-23 17:22:08,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:22:08,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:22:08,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:22:08,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:22:08,179 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:22:08,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:22:08,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/f997541c4/65701c07d8b54b5db06adc855a45a4be/FLAG0ba18af5f [2021-11-23 17:22:09,032 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:22:09,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:22:09,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/f997541c4/65701c07d8b54b5db06adc855a45a4be/FLAG0ba18af5f [2021-11-23 17:22:09,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/f997541c4/65701c07d8b54b5db06adc855a45a4be [2021-11-23 17:22:09,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:22:09,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:22:09,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:09,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:22:09,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:22:09,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:09" (1/1) ... [2021-11-23 17:22:09,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f3d80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:09, skipping insertion in model container [2021-11-23 17:22:09,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:09" (1/1) ... [2021-11-23 17:22:09,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:22:09,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:22:10,604 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 17:22:10,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ee13a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10, skipping insertion in model container [2021-11-23 17:22:10,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:10,606 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:22:10,609 INFO L158 Benchmark]: Toolchain (without parser) took 1514.93ms. Allocated memory is still 90.2MB. Free memory was 63.6MB in the beginning and 47.9MB in the end (delta: 15.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:22:10,610 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 44.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:22:10,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1511.63ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 47.9MB in the end (delta: 15.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:22:10,615 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 90.2MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 44.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1511.63ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 47.9MB in the end (delta: 15.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl --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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:22:12,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:22:13,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:22:13,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:22:13,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:22:13,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:22:13,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:22:13,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:22:13,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:22:13,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:22:13,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:22:13,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:22:13,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:22:13,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:22:13,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:22:13,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:22:13,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:22:13,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:22:13,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:22:13,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:22:13,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:22:13,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:22:13,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:22:13,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:22:13,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:22:13,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:22:13,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:22:13,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:22:13,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:22:13,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:22:13,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:22:13,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:22:13,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:22:13,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:22:13,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:22:13,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:22:13,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:22:13,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:22:13,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:22:13,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:22:13,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:22:13,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 17:22:13,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:22:13,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:22:13,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:22:13,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:22:13,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:22:13,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:22:13,161 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:22:13,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:22:13,162 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:22:13,162 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:22:13,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:22:13,163 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:22:13,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 17:22:13,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 17:22:13,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:22:13,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:22:13,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:22:13,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:22:13,166 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 17:22:13,166 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 17:22:13,166 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 17:22:13,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:22:13,167 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:22:13,167 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:22:13,167 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:22:13,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:22:13,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:22:13,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:22:13,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:22:13,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:13,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:22:13,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:22:13,169 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:22:13,169 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:22:13,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:22:13,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:22:13,170 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_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-23 17:22:13,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:22:13,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:22:13,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:22:13,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:22:13,588 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:22:13,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:22:13,679 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/1d36bd603/2457c3157ed4435093d4653b5f45042c/FLAG73ba93c39 [2021-11-23 17:22:14,550 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:22:14,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:22:14,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/1d36bd603/2457c3157ed4435093d4653b5f45042c/FLAG73ba93c39 [2021-11-23 17:22:15,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e2cc41-a13a-4447-9c68-ab6c62312570/bin/utaipan-fb15Y9Yzbl/data/1d36bd603/2457c3157ed4435093d4653b5f45042c [2021-11-23 17:22:15,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:22:15,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:22:15,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:15,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:22:15,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:22:15,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:15" (1/1) ... [2021-11-23 17:22:15,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427fc489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:15, skipping insertion in model container [2021-11-23 17:22:15,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:15" (1/1) ... [2021-11-23 17:22:15,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:22:15,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:22:16,894 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 17:22:16,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58554988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:16, skipping insertion in model container [2021-11-23 17:22:16,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:16,896 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:22:16,898 INFO L158 Benchmark]: Toolchain (without parser) took 1810.47ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 26.8MB in the beginning and 34.6MB in the end (delta: -7.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 17:22:16,899 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:22:16,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1805.20ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 26.6MB in the beginning and 34.6MB in the end (delta: -7.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 17:22:16,903 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 54.5MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1805.20ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 26.6MB in the beginning and 34.6MB in the end (delta: -7.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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