./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs --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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:31:58,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:31:58,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:31:58,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:31:58,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:31:58,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:31:58,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:31:58,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:31:58,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:31:59,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:31:59,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:31:59,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:31:59,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:31:59,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:31:59,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:31:59,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:31:59,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:31:59,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:31:59,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:31:59,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:31:59,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:31:59,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:31:59,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:31:59,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:31:59,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:31:59,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:31:59,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:31:59,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:31:59,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:31:59,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:31:59,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:31:59,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:31:59,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:31:59,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:31:59,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:31:59,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:31:59,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:31:59,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:31:59,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:31:59,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:31:59,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:31:59,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-19 14:31:59,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:31:59,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:31:59,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:31:59,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:31:59,122 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:31:59,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:31:59,123 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:31:59,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:31:59,124 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:31:59,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:31:59,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:31:59,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:31:59,125 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:31:59,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:31:59,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:31:59,126 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:31:59,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:31:59,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:31:59,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:31:59,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:31:59,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:31:59,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:31:59,129 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:31:59,129 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:31:59,129 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 14:31:59,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:31:59,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:31:59,131 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:31:59,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:31:59,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:31:59,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:31:59,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:31:59,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:31:59,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:31:59,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:31:59,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:31:59,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:31:59,134 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_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-19 14:31:59,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:31:59,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:31:59,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:31:59,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:31:59,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:31:59,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-19 14:31:59,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/81a6c44ee/e4807fd976e64922bf3a5f10ef245c79/FLAGecdd7ce9e [2021-11-19 14:32:00,262 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:32:00,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-19 14:32:00,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/81a6c44ee/e4807fd976e64922bf3a5f10ef245c79/FLAGecdd7ce9e [2021-11-19 14:32:00,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/81a6c44ee/e4807fd976e64922bf3a5f10ef245c79 [2021-11-19 14:32:00,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:32:00,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:32:00,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:32:00,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:32:00,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:32:00,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:00" (1/1) ... [2021-11-19 14:32:00,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aba95a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:00, skipping insertion in model container [2021-11-19 14:32:00,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:00" (1/1) ... [2021-11-19 14:32:00,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:32:00,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:32:01,638 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-19 14:32:01,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@574c3fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:01, skipping insertion in model container [2021-11-19 14:32:01,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:32:01,640 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:32:01,642 INFO L158 Benchmark]: Toolchain (without parser) took 1160.21ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.7MB in the beginning and 86.4MB in the end (delta: -32.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:32:01,643 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:32:01,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1157.39ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 86.4MB in the end (delta: -33.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:32:01,647 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 94.4MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1157.39ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 86.4MB in the end (delta: -33.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs --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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:32:04,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:32:04,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:32:04,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:32:04,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:32:04,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:32:04,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:32:04,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:32:04,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:32:04,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:32:04,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:32:04,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:32:04,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:32:04,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:32:04,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:32:04,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:32:04,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:32:04,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:32:04,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:32:04,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:32:04,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:32:04,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:32:04,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:32:04,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:32:04,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:32:04,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:32:04,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:32:04,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:32:04,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:32:04,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:32:04,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:32:04,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:32:04,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:32:04,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:32:04,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:32:04,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:32:04,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:32:04,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:32:04,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:32:04,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:32:04,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:32:04,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-19 14:32:04,324 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:32:04,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:32:04,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:32:04,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:32:04,327 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:32:04,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:32:04,328 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:32:04,328 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:32:04,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:32:04,328 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:32:04,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:32:04,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:32:04,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:32:04,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:32:04,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:32:04,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:32:04,333 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:32:04,333 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:32:04,334 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 14:32:04,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:32:04,334 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:32:04,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:32:04,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:32:04,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:32:04,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:32:04,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:32:04,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:32:04,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:32:04,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:32:04,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:32:04,337 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:32:04,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:32:04,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:32:04,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:32:04,339 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_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-19 14:32:04,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:32:04,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:32:04,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:32:04,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:32:04,834 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:32:04,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-19 14:32:04,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/1a0a2d483/19cdf03f5a964c4f8385e39c920fbb5b/FLAGe683b11ae [2021-11-19 14:32:05,706 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:32:05,706 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-19 14:32:05,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/1a0a2d483/19cdf03f5a964c4f8385e39c920fbb5b/FLAGe683b11ae [2021-11-19 14:32:05,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac4d45e-c89f-4848-b0b7-644e3922ebb9/bin/utaipan-UbGMyvGFUs/data/1a0a2d483/19cdf03f5a964c4f8385e39c920fbb5b [2021-11-19 14:32:05,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:32:05,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:32:05,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:32:05,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:32:05,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:32:05,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:05" (1/1) ... [2021-11-19 14:32:05,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3299c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:05, skipping insertion in model container [2021-11-19 14:32:05,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:05" (1/1) ... [2021-11-19 14:32:05,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:32:05,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:32:07,079 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-19 14:32:07,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77babaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:07, skipping insertion in model container [2021-11-19 14:32:07,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:32:07,081 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:32:07,083 INFO L158 Benchmark]: Toolchain (without parser) took 1212.50ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 26.7MB in the beginning and 46.5MB in the end (delta: -19.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-19 14:32:07,084 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:32:07,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.71ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 26.6MB in the beginning and 46.7MB in the end (delta: -20.2MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-19 14:32:07,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.71ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 26.6MB in the beginning and 46.7MB in the end (delta: -20.2MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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