./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:41:01,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:41:01,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:41:01,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:41:01,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:41:01,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:41:01,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:41:01,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:41:01,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:41:01,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:41:01,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:41:01,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:41:01,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:41:01,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:41:01,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:41:01,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:41:01,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:41:01,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:41:01,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:41:01,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:41:01,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:41:01,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:41:01,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:41:01,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:41:01,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:41:01,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:41:01,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:41:01,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:41:01,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:41:01,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:41:01,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:41:01,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:41:01,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:41:01,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:41:01,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:41:01,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:41:01,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:41:01,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:41:01,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:41:01,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:41:01,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:41:01,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:41:01,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:41:01,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:41:01,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:41:01,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:41:01,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:41:01,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:41:01,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:41:01,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:41:01,608 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:41:01,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:41:01,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:41:01,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:41:01,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:41:01,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:41:01,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:41:01,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:41:01,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:41:01,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:41:01,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:41:01,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:41:01,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:41:01,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:41:01,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:41:01,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:41:01,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:41:01,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:41:01,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:41:01,614 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:41:01,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:41:01,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:41:01,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2022-11-18 19:41:01,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:41:01,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:41:01,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:41:01,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:41:01,956 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:41:01,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2022-11-18 19:41:02,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/badb3d909/14bc5e52f1a147b99bc98e3d76235825/FLAGf820af997 [2022-11-18 19:41:04,061 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:41:04,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2022-11-18 19:41:04,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/badb3d909/14bc5e52f1a147b99bc98e3d76235825/FLAGf820af997 [2022-11-18 19:41:04,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/badb3d909/14bc5e52f1a147b99bc98e3d76235825 [2022-11-18 19:41:04,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:41:04,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:41:04,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:41:04,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:41:04,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:41:04,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:04" (1/1) ... [2022-11-18 19:41:04,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7814fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:04, skipping insertion in model container [2022-11-18 19:41:04,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:04" (1/1) ... [2022-11-18 19:41:04,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:41:05,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:41:30,197 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-18 19:41:30,207 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-18 19:41:30,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-18 19:41:30,211 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-18 19:41:30,219 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-18 19:41:30,222 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-18 19:41:30,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-18 19:41:30,225 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-18 19:41:30,230 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-18 19:41:30,291 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[477077,477090] [2022-11-18 19:41:30,297 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[477256,477269] [2022-11-18 19:41:30,300 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[477500,477513] [2022-11-18 19:41:30,306 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-18 19:41:30,314 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[483810,483823] [2022-11-18 19:41:30,316 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[484409,484422] [2022-11-18 19:41:30,317 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[484485,484498] [2022-11-18 19:41:30,317 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[484538,484551] [2022-11-18 19:41:30,386 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-18 19:41:30,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c1c55c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:30, skipping insertion in model container [2022-11-18 19:41:30,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:41:30,387 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 19:41:30,390 INFO L158 Benchmark]: Toolchain (without parser) took 25989.57ms. Allocated memory was 142.6MB in the beginning and 333.4MB in the end (delta: 190.8MB). Free memory was 66.4MB in the beginning and 126.6MB in the end (delta: -60.2MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. [2022-11-18 19:41:30,392 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:41:30,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 25985.68ms. Allocated memory was 142.6MB in the beginning and 333.4MB in the end (delta: 190.8MB). Free memory was 66.1MB in the beginning and 126.6MB in the end (delta: -60.6MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. [2022-11-18 19:41:30,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 25985.68ms. Allocated memory was 142.6MB in the beginning and 333.4MB in the end (delta: 190.8MB). Free memory was 66.1MB in the beginning and 126.6MB in the end (delta: -60.6MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9386]: Unsupported Syntax Unsupported function: getenv RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:41:32,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:41:32,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:41:32,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:41:32,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:41:32,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:41:32,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:41:32,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:41:32,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:41:32,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:41:32,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:41:32,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:41:32,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:41:32,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:41:32,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:41:32,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:41:32,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:41:32,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:41:32,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:41:32,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:41:32,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:41:32,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:41:32,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:41:32,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:41:32,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:41:32,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:41:32,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:41:32,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:41:32,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:41:32,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:41:32,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:41:32,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:41:32,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:41:32,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:41:32,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:41:32,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:41:32,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:41:32,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:41:32,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:41:32,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:41:32,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:41:32,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 19:41:32,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:41:32,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:41:32,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:41:32,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:41:32,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:41:32,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:41:32,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:41:32,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:41:32,469 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:41:32,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:41:32,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:41:32,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:41:32,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:41:32,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:41:32,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:41:32,471 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:41:32,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:41:32,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:41:32,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:41:32,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:41:32,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:41:32,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:41:32,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:41:32,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:41:32,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:41:32,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:41:32,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:41:32,474 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:41:32,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:41:32,474 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:41:32,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:41:32,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:41:32,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:41:32,475 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_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdd6019a4e89cd3303529c7187ccc3acaa175f375438ad557d7a177734e9618 [2022-11-18 19:41:32,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:41:32,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:41:32,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:41:32,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:41:32,875 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:41:32,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2022-11-18 19:41:32,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/10793ff0a/e38124c5686f42a99ab65f49deb920b1/FLAGdf7cd3944 [2022-11-18 19:41:35,196 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:41:35,197 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i [2022-11-18 19:41:35,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/10793ff0a/e38124c5686f42a99ab65f49deb920b1/FLAGdf7cd3944 [2022-11-18 19:41:35,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/bin/uautomizer-TMbwUNV5ro/data/10793ff0a/e38124c5686f42a99ab65f49deb920b1 [2022-11-18 19:41:35,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:41:35,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:41:35,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:41:35,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:41:35,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:41:35,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:35" (1/1) ... [2022-11-18 19:41:35,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a9a7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:35, skipping insertion in model container [2022-11-18 19:41:35,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:35" (1/1) ... [2022-11-18 19:41:35,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:41:35,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:42:02,669 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-18 19:42:02,679 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-18 19:42:02,680 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-18 19:42:02,681 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-18 19:42:02,683 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-18 19:42:02,684 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-18 19:42:02,685 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-18 19:42:02,687 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-18 19:42:02,688 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-18 19:42:02,731 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[477077,477090] [2022-11-18 19:42:02,735 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[477256,477269] [2022-11-18 19:42:02,736 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[477500,477513] [2022-11-18 19:42:02,739 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-18 19:42:02,744 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[483810,483823] [2022-11-18 19:42:02,746 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[484409,484422] [2022-11-18 19:42:02,746 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[484485,484498] [2022-11-18 19:42:02,747 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcc6cd8-b67c-4a15-a379-05b253c6670b/sv-benchmarks/c/goblint-coreutils/instrumented_cut_comb.i[484538,484551] [2022-11-18 19:42:02,800 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-18 19:42:02,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2113f6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:42:02, skipping insertion in model container [2022-11-18 19:42:02,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:42:02,801 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 19:42:02,803 INFO L158 Benchmark]: Toolchain (without parser) took 27429.94ms. Allocated memory was 125.8MB in the beginning and 228.6MB in the end (delta: 102.8MB). Free memory was 53.5MB in the beginning and 83.7MB in the end (delta: -30.2MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. [2022-11-18 19:42:02,804 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:42:02,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 27427.93ms. Allocated memory was 125.8MB in the beginning and 228.6MB in the end (delta: 102.8MB). Free memory was 53.2MB in the beginning and 83.7MB in the end (delta: -30.5MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. [2022-11-18 19:42:02,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 27427.93ms. Allocated memory was 125.8MB in the beginning and 228.6MB in the end (delta: 102.8MB). Free memory was 53.2MB in the beginning and 83.7MB in the end (delta: -30.5MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9386]: Unsupported Syntax Unsupported function: getenv 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