./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/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_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/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_269d5400-555c-4e71-bd7c-5bd01917e408/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 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 [2022-11-18 20:00:43,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:00:43,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:00:43,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:00:43,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:00:43,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:00:43,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:00:43,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:00:43,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:00:43,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:00:43,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:00:43,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:00:43,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:00:43,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:00:43,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:00:43,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:00:43,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:00:43,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:00:43,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:00:43,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:00:43,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:00:43,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:00:43,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:00:43,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:00:43,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:00:43,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:00:43,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:00:43,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:00:43,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:00:43,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:00:43,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:00:43,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:00:43,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:00:43,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:00:43,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:00:43,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:00:43,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:00:43,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:00:43,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:00:43,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:00:43,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:00:43,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:00:43,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:00:43,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:00:43,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:00:43,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:00:43,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:00:43,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:00:43,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:00:43,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:00:43,229 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:00:43,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:00:43,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:00:43,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:00:43,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:00:43,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:00:43,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:00:43,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:00:43,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:00:43,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:00:43,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:00:43,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:00:43,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:00:43,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:00:43,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:00:43,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:00:43,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:00:43,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:00:43,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:00:43,235 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:00:43,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:00:43,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:00:43,237 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_269d5400-555c-4e71-bd7c-5bd01917e408/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2022-11-18 20:00:43,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:00:43,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:00:43,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:00:43,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:00:43,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:00:43,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-18 20:00:43,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/daf903907/33f53c529486465080912bba28afa4e1/FLAG367b09b46 [2022-11-18 20:00:45,610 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:00:45,611 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-18 20:00:45,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/daf903907/33f53c529486465080912bba28afa4e1/FLAG367b09b46 [2022-11-18 20:00:45,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/daf903907/33f53c529486465080912bba28afa4e1 [2022-11-18 20:00:45,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:00:45,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:00:45,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:00:45,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:00:45,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:00:45,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:00:45" (1/1) ... [2022-11-18 20:00:45,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1987f98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:45, skipping insertion in model container [2022-11-18 20:00:45,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:00:45" (1/1) ... [2022-11-18 20:00:45,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:00:46,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:01:11,985 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-18 20:01:11,987 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-18 20:01:11,988 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-18 20:01:11,989 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-18 20:01:11,991 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-18 20:01:11,992 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-18 20:01:11,993 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-18 20:01:11,996 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-18 20:01:11,997 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-18 20:01:12,056 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-18 20:01:12,139 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-18 20:01:12,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e432cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:12, skipping insertion in model container [2022-11-18 20:01:12,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:01:12,144 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 20:01:12,147 INFO L158 Benchmark]: Toolchain (without parser) took 26166.12ms. Allocated memory was 195.0MB in the beginning and 335.5MB in the end (delta: 140.5MB). Free memory was 124.2MB in the beginning and 186.9MB in the end (delta: -62.8MB). Peak memory consumption was 199.3MB. Max. memory is 16.1GB. [2022-11-18 20:01:12,148 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:01:12,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 26163.56ms. Allocated memory was 195.0MB in the beginning and 335.5MB in the end (delta: 140.5MB). Free memory was 124.2MB in the beginning and 186.9MB in the end (delta: -62.8MB). Peak memory consumption was 199.3MB. Max. memory is 16.1GB. [2022-11-18 20:01:12,153 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 86.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 26163.56ms. Allocated memory was 195.0MB in the beginning and 335.5MB in the end (delta: 140.5MB). Free memory was 124.2MB in the beginning and 186.9MB in the end (delta: -62.8MB). Peak memory consumption was 199.3MB. 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_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/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_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/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_269d5400-555c-4e71-bd7c-5bd01917e408/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 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 [2022-11-18 20:01:14,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:01:14,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:01:14,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:01:14,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:01:14,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:01:14,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:01:14,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:01:14,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:01:14,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:01:14,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:01:14,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:01:14,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:01:14,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:01:14,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:01:14,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:01:14,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:01:14,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:01:14,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:01:14,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:01:14,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:01:14,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:01:14,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:01:14,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:01:14,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:01:14,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:01:14,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:01:14,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:01:14,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:01:14,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:01:14,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:01:14,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:01:14,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:01:14,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:01:14,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:01:14,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:01:14,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:01:14,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:01:14,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:01:14,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:01:14,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:01:14,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:01:14,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:01:14,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:01:14,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:01:14,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:01:14,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:01:14,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:01:14,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:01:14,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:01:14,372 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:01:14,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:01:14,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:01:14,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:01:14,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:01:14,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:01:14,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:01:14,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:01:14,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:01:14,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:01:14,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:01:14,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:01:14,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:01:14,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:01:14,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:01:14,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:01:14,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:01:14,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:01:14,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:01:14,378 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:01:14,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:01:14,378 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:01:14,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:01:14,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:01:14,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:01:14,379 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_269d5400-555c-4e71-bd7c-5bd01917e408/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb9aa21b2dd0161ca0cf44689c07f1d178791e70214ad1e1a839fa696229025 [2022-11-18 20:01:14,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:01:14,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:01:14,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:01:14,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:01:14,735 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:01:14,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-18 20:01:14,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/54f09b5d6/a5aa1a5bf75d4416a58c22ff77304120/FLAG7df236b48 [2022-11-18 20:01:17,224 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:01:17,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/sv-benchmarks/c/goblint-coreutils/instrumented_nohup_comb.i [2022-11-18 20:01:17,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/54f09b5d6/a5aa1a5bf75d4416a58c22ff77304120/FLAG7df236b48 [2022-11-18 20:01:17,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d5400-555c-4e71-bd7c-5bd01917e408/bin/uautomizer-TMbwUNV5ro/data/54f09b5d6/a5aa1a5bf75d4416a58c22ff77304120 [2022-11-18 20:01:17,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:01:17,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:01:17,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:01:17,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:01:17,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:01:17,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:01:17" (1/1) ... [2022-11-18 20:01:17,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76102b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:17, skipping insertion in model container [2022-11-18 20:01:17,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:01:17" (1/1) ... [2022-11-18 20:01:17,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:01:18,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:01:42,473 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-18 20:01:42,475 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-18 20:01:42,476 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-18 20:01:42,477 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-18 20:01:42,479 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-18 20:01:42,480 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-18 20:01:42,481 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-18 20:01:42,483 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-18 20:01:42,484 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-18 20:01:42,526 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-18 20:01:42,619 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: getenv [2022-11-18 20:01:42,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a4eace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:42, skipping insertion in model container [2022-11-18 20:01:42,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:01:42,623 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 20:01:42,625 INFO L158 Benchmark]: Toolchain (without parser) took 24840.78ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 68.7MB in the beginning and 113.5MB in the end (delta: -44.8MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2022-11-18 20:01:42,627 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:01:42,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 24838.03ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 68.3MB in the beginning and 113.5MB in the end (delta: -45.3MB). Peak memory consumption was 143.1MB. Max. memory is 16.1GB. [2022-11-18 20:01:42,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 24838.03ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 68.3MB in the beginning and 113.5MB in the end (delta: -45.3MB). Peak memory consumption was 143.1MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN