./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/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_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8 --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 0.2.1-dev-47ea020 [2021-11-07 01:52:45,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:52:45,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:52:45,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:52:45,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:52:45,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:52:45,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:52:45,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:52:45,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:52:45,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:52:45,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:52:45,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:52:45,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:52:45,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:52:45,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:52:45,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:52:45,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:52:45,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:52:45,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:52:45,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:52:45,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:52:45,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:52:45,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:52:45,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:52:45,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:52:45,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:52:45,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:52:45,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:52:45,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:52:45,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:52:45,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:52:45,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:52:45,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:52:45,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:52:45,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:52:45,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:52:45,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:52:45,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:52:45,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:52:45,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:52:45,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:52:45,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-07 01:52:45,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:52:45,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:52:45,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:52:45,784 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:52:45,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:52:45,789 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:52:45,790 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:52:45,790 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:52:45,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:52:45,790 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:52:45,791 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:52:45,791 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:52:45,791 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:52:45,792 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:52:45,792 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:52:45,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:52:45,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:52:45,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:52:45,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:52:45,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:52:45,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:52:45,794 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:52:45,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:52:45,795 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:52:45,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:52:45,795 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:52:45,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:52:45,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:52:45,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:52:45,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:52:45,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:52:45,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:52:45,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:52:45,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:52:45,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:52:45,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:52:45,798 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_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-07 01:52:46,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:52:46,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:52:46,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:52:46,168 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:52:46,169 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:52:46,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 01:52:46,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/022f52906/d913ebbadccc4ddea5ebf88d860fec5a/FLAGb6766f377 [2021-11-07 01:52:47,219 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:52:47,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 01:52:47,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/022f52906/d913ebbadccc4ddea5ebf88d860fec5a/FLAGb6766f377 [2021-11-07 01:52:47,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/022f52906/d913ebbadccc4ddea5ebf88d860fec5a [2021-11-07 01:52:47,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:52:47,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:52:47,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:52:47,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:52:47,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:52:47,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:52:47" (1/1) ... [2021-11-07 01:52:47,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7c3618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:52:47, skipping insertion in model container [2021-11-07 01:52:47,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:52:47" (1/1) ... [2021-11-07 01:52:47,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:52:47,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:52:49,321 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-07 01:52:49,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8384a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:52:49, skipping insertion in model container [2021-11-07 01:52:49,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:52:49,322 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:52:49,325 INFO L168 Benchmark]: Toolchain (without parser) took 1654.43 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 45.5 MB in the beginning and 76.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:49,326 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 68.6 MB in the beginning and 68.5 MB in the end (delta: 69.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:52:49,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1651.40 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 45.3 MB in the beginning and 76.6 MB in the end (delta: -31.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:49,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 68.6 MB in the beginning and 68.5 MB in the end (delta: 69.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1651.40 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 45.3 MB in the beginning and 76.6 MB in the end (delta: -31.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * 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_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/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_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8 --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 0.2.1-dev-47ea020 [2021-11-07 01:52:52,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:52:52,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:52:52,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:52:52,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:52:52,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:52:52,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:52:52,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:52:52,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:52:52,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:52:52,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:52:52,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:52:52,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:52:52,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:52:52,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:52:52,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:52:52,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:52:52,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:52:52,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:52:52,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:52:52,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:52:52,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:52:52,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:52:52,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:52:52,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:52:52,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:52:52,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:52:52,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:52:52,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:52:52,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:52:52,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:52:52,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:52:52,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:52:52,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:52:52,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:52:52,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:52:52,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:52:52,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:52:52,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:52:52,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:52:52,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:52:52,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-07 01:52:52,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:52:52,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:52:52,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:52:52,327 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:52:52,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:52:52,328 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:52:52,328 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:52:52,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:52:52,329 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:52:52,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:52:52,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:52:52,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:52:52,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:52:52,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:52:52,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:52:52,333 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:52:52,334 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:52:52,334 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:52:52,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:52:52,334 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:52:52,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:52:52,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:52:52,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:52:52,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:52:52,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:52:52,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:52:52,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:52:52,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:52:52,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:52:52,337 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:52:52,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:52:52,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:52:52,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:52:52,339 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_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-07 01:52:52,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:52:52,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:52:52,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:52:52,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:52:52,879 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:52:52,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 01:52:52,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/c73af5a4a/c4d058e7f9c149289712c44fcd7d0190/FLAG0383758ae [2021-11-07 01:52:53,959 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:52:53,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 01:52:54,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/c73af5a4a/c4d058e7f9c149289712c44fcd7d0190/FLAG0383758ae [2021-11-07 01:52:54,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8589be-b108-4bae-b8ea-1d8cdda1999f/bin/utaipan-UUZaoUuFF8/data/c73af5a4a/c4d058e7f9c149289712c44fcd7d0190 [2021-11-07 01:52:54,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:52:54,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:52:54,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:52:54,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:52:54,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:52:54,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:52:54" (1/1) ... [2021-11-07 01:52:54,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfc2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:52:54, skipping insertion in model container [2021-11-07 01:52:54,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:52:54" (1/1) ... [2021-11-07 01:52:54,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:52:54,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:52:56,167 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-07 01:52:56,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78416f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:52:56, skipping insertion in model container [2021-11-07 01:52:56,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:52:56,170 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:52:56,172 INFO L168 Benchmark]: Toolchain (without parser) took 1709.68 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 30.7 MB in the beginning and 40.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:56,174 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:52:56,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1691.82 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 30.5 MB in the beginning and 40.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:56,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1691.82 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 30.5 MB in the beginning and 40.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * 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