./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 5e519f3a 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_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- 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-5e519f3 [2022-11-03 02:47:45,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:47:45,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:47:46,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:47:46,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:47:46,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:47:46,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:47:46,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:47:46,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:47:46,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:47:46,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:47:46,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:47:46,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:47:46,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:47:46,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:47:46,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:47:46,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:47:46,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:47:46,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:47:46,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:47:46,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:47:46,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:47:46,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:47:46,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:47:46,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:47:46,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:47:46,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:47:46,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:47:46,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:47:46,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:47:46,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:47:46,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:47:46,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:47:46,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:47:46,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:47:46,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:47:46,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:47:46,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:47:46,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:47:46,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:47:46,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:47:46,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-03 02:47:46,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:47:46,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:47:46,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:47:46,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:47:46,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:47:46,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:47:46,129 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:47:46,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:47:46,129 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:47:46,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:47:46,130 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:47:46,130 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:47:46,131 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:47:46,131 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:47:46,131 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:47:46,131 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:47:46,131 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:47:46,132 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:47:46,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 02:47:46,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 02:47:46,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:47:46,134 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:47:46,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:47:46,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:47:46,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:47:46,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:47:46,135 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 02:47:46,135 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 02:47:46,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:47:46,136 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:47:46,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:47:46,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:47:46,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:47:46,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:47:46,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:46,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:47:46,137 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:47:46,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:47:46,137 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:47:46,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:47:46,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:47:46,138 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_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-03 02:47:46,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:47:46,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:47:46,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:47:46,407 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:47:46,408 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:47:46,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-03 02:47:46,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/fdd80c084/ae48acdc347c4c79beadb4e2183b0f98/FLAGd53db19d8 [2022-11-03 02:47:47,068 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:47:47,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-03 02:47:47,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/fdd80c084/ae48acdc347c4c79beadb4e2183b0f98/FLAGd53db19d8 [2022-11-03 02:47:47,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/fdd80c084/ae48acdc347c4c79beadb4e2183b0f98 [2022-11-03 02:47:47,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:47:47,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:47:47,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:47,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:47:47,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:47:47,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:47" (1/1) ... [2022-11-03 02:47:47,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fd7f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:47, skipping insertion in model container [2022-11-03 02:47:47,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:47" (1/1) ... [2022-11-03 02:47:47,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:47:47,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:47:47,765 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-03 02:47:47,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26a4f29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:47, skipping insertion in model container [2022-11-03 02:47:47,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:47,767 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:47:47,769 INFO L158 Benchmark]: Toolchain (without parser) took 393.94ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 84.9MB in the beginning and 145.5MB in the end (delta: -60.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:47:47,771 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:47:47,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.62ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 84.6MB in the beginning and 145.5MB in the end (delta: -60.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:47:47,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.62ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 84.6MB in the beginning and 145.5MB in the end (delta: -60.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit 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_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- 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-5e519f3 [2022-11-03 02:47:49,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:47:49,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:47:49,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:47:49,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:47:49,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:47:49,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:47:49,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:47:49,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:47:49,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:47:49,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:47:49,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:47:49,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:47:49,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:47:49,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:47:49,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:47:49,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:47:49,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:47:49,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:47:49,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:47:49,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:47:49,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:47:49,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:47:49,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:47:50,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:47:50,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:47:50,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:47:50,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:47:50,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:47:50,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:47:50,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:47:50,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:47:50,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:47:50,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:47:50,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:47:50,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:47:50,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:47:50,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:47:50,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:47:50,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:47:50,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:47:50,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-11-03 02:47:50,062 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:47:50,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:47:50,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:47:50,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:47:50,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:47:50,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:47:50,065 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:47:50,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:47:50,066 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:47:50,066 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:47:50,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:47:50,067 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:47:50,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 02:47:50,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 02:47:50,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:47:50,069 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:47:50,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:47:50,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:47:50,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:47:50,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:47:50,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 02:47:50,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 02:47:50,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:47:50,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:47:50,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:47:50,071 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:47:50,071 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:47:50,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:47:50,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:47:50,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:47:50,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:47:50,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:47:50,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:47:50,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:47:50,073 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:47:50,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:47:50,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:47:50,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:47:50,074 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_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-03 02:47:50,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:47:50,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:47:50,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:47:50,497 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:47:50,498 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:47:50,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-03 02:47:50,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/313f98db2/3aeb0fe5960441e8b3f836b1814a7a3f/FLAG5e84e316c [2022-11-03 02:47:51,157 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:47:51,158 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-03 02:47:51,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/313f98db2/3aeb0fe5960441e8b3f836b1814a7a3f/FLAG5e84e316c [2022-11-03 02:47:51,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06019fe5-9476-48d5-9beb-aad836e30999/bin/utaipan-7li7fVZpFI/data/313f98db2/3aeb0fe5960441e8b3f836b1814a7a3f [2022-11-03 02:47:51,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:47:51,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:47:51,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:51,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:47:51,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:47:51,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:51" (1/1) ... [2022-11-03 02:47:51,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f654c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:51, skipping insertion in model container [2022-11-03 02:47:51,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:47:51" (1/1) ... [2022-11-03 02:47:51,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:47:51,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:47:51,938 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-03 02:47:51,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@516ede75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:47:51, skipping insertion in model container [2022-11-03 02:47:51,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:47:51,940 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:47:51,942 INFO L158 Benchmark]: Toolchain (without parser) took 451.29ms. Allocated memory is still 65.0MB. Free memory was 44.1MB in the beginning and 48.2MB in the end (delta: -4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:47:51,944 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:47:51,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.28ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 48.2MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:47:51,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.28ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 48.2MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit 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