./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_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_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 --- 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 [2022-11-19 08:28:14,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:28:14,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:28:14,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:28:14,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:28:14,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:28:14,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:28:14,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:28:14,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:28:14,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:28:14,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:28:14,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:28:14,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:28:14,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:28:14,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:28:14,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:28:14,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:28:14,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:28:14,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:28:14,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:28:14,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:28:14,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:28:14,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:28:14,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:28:14,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:28:14,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:28:14,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:28:14,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:28:14,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:28:14,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:28:14,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:28:14,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:28:14,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:28:14,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:28:14,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:28:14,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:28:14,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:28:14,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:28:14,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:28:14,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:28:14,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:28:14,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:28:14,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:28:14,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:28:14,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:28:14,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:28:14,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:28:14,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:28:14,419 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:28:14,419 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:28:14,419 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:28:14,419 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:28:14,420 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:28:14,421 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:28:14,421 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:28:14,421 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:28:14,421 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:28:14,422 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:28:14,422 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:28:14,422 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:28:14,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:28:14,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:28:14,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:28:14,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:28:14,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:28:14,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:28:14,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:28:14,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:28:14,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:28:14,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:28:14,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:28:14,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:28:14,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:28:14,427 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:28:14,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:28:14,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:28:14,428 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:28:14,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:28:14,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:28:14,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:28:14,429 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_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2022-11-19 08:28:14,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:28:14,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:28:14,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:28:14,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:28:14,729 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:28:14,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-19 08:28:14,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/7fdc5893e/b9efaf2f47244ef8a81bb080e7039ec3/FLAG1412713b6 [2022-11-19 08:28:16,888 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:28:16,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-19 08:28:17,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/7fdc5893e/b9efaf2f47244ef8a81bb080e7039ec3/FLAG1412713b6 [2022-11-19 08:28:17,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/7fdc5893e/b9efaf2f47244ef8a81bb080e7039ec3 [2022-11-19 08:28:17,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:28:17,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:28:17,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:28:17,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:28:17,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:28:17,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d433526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17, skipping insertion in model container [2022-11-19 08:28:17,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:28:18,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:28:44,942 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-19 08:28:44,943 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-19 08:28:44,944 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-19 08:28:44,945 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-19 08:28:44,950 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-19 08:28:44,960 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-19 08:28:44,962 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-19 08:28:44,964 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-19 08:28:44,965 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-19 08:28:45,023 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-19 08:28:45,089 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-19 08:28:45,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a5b2bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:45, skipping insertion in model container [2022-11-19 08:28:45,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:28:45,092 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:28:45,094 INFO L158 Benchmark]: Toolchain (without parser) took 27474.55ms. Allocated memory was 213.9MB in the beginning and 369.1MB in the end (delta: 155.2MB). Free memory was 144.0MB in the beginning and 208.0MB in the end (delta: -64.0MB). Peak memory consumption was 218.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:45,096 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:28:45,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 27472.15ms. Allocated memory was 213.9MB in the beginning and 369.1MB in the end (delta: 155.2MB). Free memory was 144.0MB in the beginning and 208.0MB in the end (delta: -64.0MB). Peak memory consumption was 218.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:45,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 27472.15ms. Allocated memory was 213.9MB in the beginning and 369.1MB in the end (delta: 155.2MB). Free memory was 144.0MB in the beginning and 208.0MB in the end (delta: -64.0MB). Peak memory consumption was 218.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9324]: 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_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 --- 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 [2022-11-19 08:28:47,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:28:47,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:28:47,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:28:47,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:28:47,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:28:47,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:28:47,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:28:47,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:28:47,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:28:47,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:28:47,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:28:47,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:28:47,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:28:47,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:28:47,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:28:47,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:28:47,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:28:47,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:28:47,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:28:47,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:28:47,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:28:47,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:28:47,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:28:47,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:28:47,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:28:47,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:28:47,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:28:47,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:28:47,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:28:47,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:28:47,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:28:47,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:28:47,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:28:47,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:28:47,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:28:47,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:28:47,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:28:47,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:28:47,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:28:47,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:28:47,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 08:28:47,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:28:47,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:28:47,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:28:47,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:28:47,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:28:47,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:28:47,261 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:28:47,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:28:47,262 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:28:47,262 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:28:47,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:28:47,263 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:28:47,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:28:47,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:28:47,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:28:47,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:28:47,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:28:47,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:28:47,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:28:47,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:28:47,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:28:47,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:28:47,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:28:47,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:28:47,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:28:47,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:28:47,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:28:47,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:28:47,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:28:47,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:28:47,269 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:28:47,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:28:47,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:28:47,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:28:47,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:28:47,270 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_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2022-11-19 08:28:47,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:28:47,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:28:47,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:28:47,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:28:47,729 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:28:47,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-19 08:28:47,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/ab84ffded/f18f0c67b6ed4231aeedd1ffbb9d5a3b/FLAGc744ac5c5 [2022-11-19 08:28:50,257 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:28:50,258 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-19 08:28:50,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/ab84ffded/f18f0c67b6ed4231aeedd1ffbb9d5a3b/FLAGc744ac5c5 [2022-11-19 08:28:50,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e5f70b-c9a3-4b2f-ab9a-8711e20d661f/bin/utaipan-I9t0OCRTmS/data/ab84ffded/f18f0c67b6ed4231aeedd1ffbb9d5a3b [2022-11-19 08:28:50,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:28:50,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:28:50,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:28:50,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:28:50,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:28:50,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:28:50" (1/1) ... [2022-11-19 08:28:50,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd80d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:50, skipping insertion in model container [2022-11-19 08:28:50,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:28:50" (1/1) ... [2022-11-19 08:28:50,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:28:51,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:29:16,221 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-19 08:29:16,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-19 08:29:16,224 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-19 08:29:16,225 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-19 08:29:16,227 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-19 08:29:16,228 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-19 08:29:16,229 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-19 08:29:16,231 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-19 08:29:16,232 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-19 08:29:16,271 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-19 08:29:16,316 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-19 08:29:16,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@746b3ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:16, skipping insertion in model container [2022-11-19 08:29:16,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:16,317 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:29:16,319 INFO L158 Benchmark]: Toolchain (without parser) took 25640.91ms. Allocated memory was 151.0MB in the beginning and 274.7MB in the end (delta: 123.7MB). Free memory was 86.5MB in the beginning and 71.7MB in the end (delta: 14.8MB). Peak memory consumption was 148.9MB. Max. memory is 16.1GB. [2022-11-19 08:29:16,323 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:29:16,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 25638.43ms. Allocated memory was 151.0MB in the beginning and 274.7MB in the end (delta: 123.7MB). Free memory was 86.4MB in the beginning and 71.7MB in the end (delta: 14.7MB). Peak memory consumption was 148.9MB. Max. memory is 16.1GB. [2022-11-19 08:29:16,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 25638.43ms. Allocated memory was 151.0MB in the beginning and 274.7MB in the end (delta: 123.7MB). Free memory was 86.4MB in the beginning and 71.7MB in the end (delta: 14.7MB). Peak memory consumption was 148.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9324]: 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