./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 4e7fbc69 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_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:37:45,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:37:45,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:37:46,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:37:46,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:37:46,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:37:46,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:37:46,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:37:46,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:37:46,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:37:46,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:37:46,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:37:46,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:37:46,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:37:46,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:37:46,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:37:46,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:37:46,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:37:46,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:37:46,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:37:46,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:37:46,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:37:46,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:37:46,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:37:46,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:37:46,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:37:46,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:37:46,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:37:46,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:37:46,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:37:46,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:37:46,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:37:46,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:37:46,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:37:46,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:37:46,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:37:46,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:37:46,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:37:46,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:37:46,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:37:46,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:37:46,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-23 15:37:46,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:37:46,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:37:46,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:37:46,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:37:46,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:37:46,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:37:46,120 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:37:46,120 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:37:46,120 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:37:46,121 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:37:46,122 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:37:46,122 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:37:46,122 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:37:46,122 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:37:46,123 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:37:46,123 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:37:46,123 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:37:46,124 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:37:46,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:37:46,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:37:46,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:37:46,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:37:46,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:37:46,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:37:46,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:37:46,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:37:46,126 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:37:46,127 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:37:46,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:37:46,127 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:37:46,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:37:46,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:37:46,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:37:46,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:37:46,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:37:46,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:37:46,129 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:37:46,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:37:46,130 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:37:46,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:37:46,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:37:46,130 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_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-23 15:37:46,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:37:46,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:37:46,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:37:46,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:37:46,494 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:37:46,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-23 15:37:49,524 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:37:49,867 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:37:49,867 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-23 15:37:49,884 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data/7e03dc498/2bbcef670c534fd98712b7b5f0e8dfd4/FLAG56ffdcb37 [2022-11-23 15:37:49,902 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data/7e03dc498/2bbcef670c534fd98712b7b5f0e8dfd4 [2022-11-23 15:37:49,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:37:49,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:37:49,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:37:49,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:37:49,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:37:49,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:49" (1/1) ... [2022-11-23 15:37:49,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223bd282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:49, skipping insertion in model container [2022-11-23 15:37:49,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:49" (1/1) ... [2022-11-23 15:37:49,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:37:49,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:37:50,263 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-23 15:37:50,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b938980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:50, skipping insertion in model container [2022-11-23 15:37:50,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:37:50,264 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:37:50,266 INFO L158 Benchmark]: Toolchain (without parser) took 358.45ms. Allocated memory is still 161.5MB. Free memory was 130.6MB in the beginning and 119.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:37:50,267 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:37:50,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.96ms. Allocated memory is still 161.5MB. Free memory was 130.6MB in the beginning and 119.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:37:50,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.96ms. Allocated memory is still 161.5MB. Free memory was 130.6MB in the beginning and 119.6MB in the end (delta: 11.1MB). 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 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_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:37:52,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:37:52,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:37:52,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:37:52,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:37:52,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:37:52,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:37:52,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:37:52,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:37:52,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:37:52,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:37:52,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:37:52,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:37:52,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:37:52,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:37:52,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:37:52,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:37:52,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:37:52,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:37:52,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:37:52,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:37:52,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:37:52,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:37:52,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:37:52,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:37:52,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:37:52,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:37:52,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:37:52,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:37:52,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:37:52,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:37:52,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:37:52,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:37:52,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:37:52,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:37:52,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:37:52,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:37:52,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:37:52,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:37:52,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:37:52,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:37:52,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-11-23 15:37:52,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:37:52,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:37:52,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:37:52,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:37:52,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:37:52,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:37:52,859 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:37:52,859 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:37:52,859 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:37:52,859 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:37:52,861 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:37:52,861 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:37:52,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:37:52,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:37:52,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:37:52,863 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:37:52,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:37:52,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:37:52,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:37:52,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:37:52,864 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:37:52,864 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:37:52,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:37:52,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:37:52,865 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:37:52,865 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:37:52,866 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:37:52,866 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:37:52,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:37:52,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:37:52,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:37:52,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:37:52,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:37:52,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:37:52,868 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:37:52,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:37:52,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:37:52,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:37:52,869 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_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-11-23 15:37:53,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:37:53,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:37:53,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:37:53,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:37:53,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:37:53,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-23 15:37:56,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:37:56,777 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:37:56,778 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-11-23 15:37:56,791 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data/d1f12045f/09ece70d1aa344b2a1444e35a73bba82/FLAG75767e2c3 [2022-11-23 15:37:56,808 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014398be-e4ee-46e1-8fa7-bba0a3bc6fec/bin/utaipan-Q6hlc19bkW/data/d1f12045f/09ece70d1aa344b2a1444e35a73bba82 [2022-11-23 15:37:56,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:37:56,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:37:56,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:37:56,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:37:56,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:37:56,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:56" (1/1) ... [2022-11-23 15:37:56,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47eec030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:56, skipping insertion in model container [2022-11-23 15:37:56,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:56" (1/1) ... [2022-11-23 15:37:56,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:37:56,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:37:57,234 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-11-23 15:37:57,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6620976f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:57, skipping insertion in model container [2022-11-23 15:37:57,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:37:57,237 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:37:57,239 INFO L158 Benchmark]: Toolchain (without parser) took 425.46ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 31.0MB in the beginning and 69.0MB in the end (delta: -38.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-23 15:37:57,240 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:37:57,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.88ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 30.8MB in the beginning and 69.0MB in the end (delta: -38.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-23 15:37:57,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.88ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 30.8MB in the beginning and 69.0MB in the end (delta: -38.2MB). Peak memory consumption was 9.7MB. 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