./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 19:35:53,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:35:53,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:35:53,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:35:53,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:35:53,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:35:53,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:35:53,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:35:53,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:35:53,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:35:53,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:35:53,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:35:53,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:35:53,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:35:53,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:35:53,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:35:53,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:35:53,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:35:53,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:35:53,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:35:53,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:35:53,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:35:53,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:35:53,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:35:53,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:35:53,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:35:53,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:35:53,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:35:53,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:35:53,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:35:53,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:35:53,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:35:53,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:35:53,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:35:53,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:35:53,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:35:53,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:35:53,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:35:53,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:35:53,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:35:53,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:35:53,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:35:53,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:35:53,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:35:53,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:35:53,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:35:53,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:35:53,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:35:53,810 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:35:53,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:35:53,811 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:35:53,811 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:35:53,811 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:35:53,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:35:53,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:35:53,812 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:35:53,812 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:35:53,812 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:35:53,812 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:35:53,812 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:35:53,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:35:53,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:35:53,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:35:53,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:35:53,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:35:53,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:35:53,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:35:53,814 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:35:53,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:35:53,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:35:53,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:35:53,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:35:53,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:35:53,815 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:35:53,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:35:53,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:35:53,816 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:35:53,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:35:53,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:35:53,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:35:53,816 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_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2022-11-16 19:35:54,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:35:54,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:35:54,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:35:54,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:35:54,095 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:35:54,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-16 19:35:54,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/f1c524cd7/7d61e68448f4493b9508c0ee8598f4b8/FLAG0e30d47c7 [2022-11-16 19:35:56,213 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:35:56,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-16 19:35:56,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/f1c524cd7/7d61e68448f4493b9508c0ee8598f4b8/FLAG0e30d47c7 [2022-11-16 19:35:56,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/f1c524cd7/7d61e68448f4493b9508c0ee8598f4b8 [2022-11-16 19:35:56,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:35:56,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:35:56,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:35:56,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:35:56,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:35:56,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:35:56" (1/1) ... [2022-11-16 19:35:56,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746c22db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:35:56, skipping insertion in model container [2022-11-16 19:35:56,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:35:56" (1/1) ... [2022-11-16 19:35:56,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:35:57,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:36:21,385 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-16 19:36:21,391 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-16 19:36:21,392 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-16 19:36:21,393 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-16 19:36:21,402 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-16 19:36:21,403 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-16 19:36:21,405 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-16 19:36:21,407 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-16 19:36:21,411 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-16 19:36:21,466 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-16 19:36:21,553 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-16 19:36:21,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28f90fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:36:21, skipping insertion in model container [2022-11-16 19:36:21,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:36:21,558 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:36:21,560 INFO L158 Benchmark]: Toolchain (without parser) took 25049.88ms. Allocated memory was 125.8MB in the beginning and 289.4MB in the end (delta: 163.6MB). Free memory was 55.4MB in the beginning and 124.5MB in the end (delta: -69.1MB). Peak memory consumption was 150.0MB. Max. memory is 16.1GB. [2022-11-16 19:36:21,562 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:36:21,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 25046.03ms. Allocated memory was 125.8MB in the beginning and 289.4MB in the end (delta: 163.6MB). Free memory was 55.4MB in the beginning and 124.5MB in the end (delta: -69.1MB). Peak memory consumption was 150.0MB. Max. memory is 16.1GB. [2022-11-16 19:36:21,567 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 125.8MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 25046.03ms. Allocated memory was 125.8MB in the beginning and 289.4MB in the end (delta: 163.6MB). Free memory was 55.4MB in the beginning and 124.5MB in the end (delta: -69.1MB). Peak memory consumption was 150.0MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 19:36:23,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:36:23,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:36:23,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:36:23,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:36:23,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:36:23,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:36:23,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:36:23,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:36:23,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:36:23,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:36:23,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:36:23,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:36:23,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:36:23,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:36:23,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:36:23,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:36:23,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:36:23,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:36:23,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:36:23,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:36:23,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:36:23,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:36:23,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:36:23,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:36:23,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:36:23,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:36:23,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:36:23,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:36:23,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:36:23,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:36:23,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:36:23,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:36:23,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:36:23,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:36:23,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:36:23,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:36:23,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:36:23,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:36:23,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:36:23,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:36:23,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 19:36:23,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:36:23,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:36:23,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:36:23,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:36:23,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:36:23,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:36:23,653 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:36:23,653 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:36:23,654 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:36:23,654 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:36:23,654 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:36:23,655 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:36:23,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:36:23,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:36:23,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:36:23,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:36:23,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:36:23,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 19:36:23,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 19:36:23,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 19:36:23,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:36:23,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:36:23,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:36:23,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:36:23,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 19:36:23,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:36:23,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:36:23,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:36:23,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:36:23,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:36:23,660 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 19:36:23,660 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 19:36:23,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:36:23,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:36:23,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 19:36:23,661 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_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2022-11-16 19:36:24,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:36:24,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:36:24,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:36:24,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:36:24,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:36:24,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-16 19:36:24,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/111b84548/573d9c84a4ab45679d307f3613efd2b9/FLAG18f34b236 [2022-11-16 19:36:26,571 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:36:26,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-16 19:36:26,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/111b84548/573d9c84a4ab45679d307f3613efd2b9/FLAG18f34b236 [2022-11-16 19:36:26,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067ef702-7990-49be-8f84-4b8512cd6d03/bin/utaipan-Xvt2sAort0/data/111b84548/573d9c84a4ab45679d307f3613efd2b9 [2022-11-16 19:36:26,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:36:26,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:36:26,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:36:26,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:36:26,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:36:26,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:36:26" (1/1) ... [2022-11-16 19:36:26,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78570c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:36:26, skipping insertion in model container [2022-11-16 19:36:26,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:36:26" (1/1) ... [2022-11-16 19:36:27,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:36:27,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:36:52,623 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-16 19:36:52,628 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-16 19:36:52,632 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-16 19:36:52,633 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-16 19:36:52,637 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-16 19:36:52,639 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-16 19:36:52,640 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-16 19:36:52,643 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-16 19:36:52,645 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-16 19:36:52,693 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-16 19:36:52,738 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-16 19:36:52,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b59154d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:36:52, skipping insertion in model container [2022-11-16 19:36:52,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:36:52,740 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:36:52,741 INFO L158 Benchmark]: Toolchain (without parser) took 25754.57ms. Allocated memory was 109.1MB in the beginning and 302.0MB in the end (delta: 192.9MB). Free memory was 41.2MB in the beginning and 103.7MB in the end (delta: -62.5MB). Peak memory consumption was 167.8MB. Max. memory is 16.1GB. [2022-11-16 19:36:52,742 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:36:52,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 25750.65ms. Allocated memory was 109.1MB in the beginning and 302.0MB in the end (delta: 192.9MB). Free memory was 41.0MB in the beginning and 103.7MB in the end (delta: -62.7MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. [2022-11-16 19:36:52,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 25750.65ms. Allocated memory was 109.1MB in the beginning and 302.0MB in the end (delta: 192.9MB). Free memory was 41.0MB in the beginning and 103.7MB in the end (delta: -62.7MB). Peak memory consumption was 165.7MB. 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