./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:53:33,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:53:33,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:53:33,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:53:33,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:53:33,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:53:33,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:53:33,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:53:33,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:53:33,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:53:33,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:53:33,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:53:33,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:53:33,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:53:33,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:53:33,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:53:33,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:53:33,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:53:33,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:53:33,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:53:33,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:53:33,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:53:33,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:53:33,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:53:33,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:53:33,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:53:33,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:53:33,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:53:33,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:53:33,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:53:33,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:53:33,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:53:33,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:53:33,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:53:33,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:53:33,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:53:33,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:53:33,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:53:33,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:53:33,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:53:33,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:53:33,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-23 01:53:33,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:53:33,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:53:33,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:53:33,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:53:33,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:53:33,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:53:33,700 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:53:33,700 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:53:33,700 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:53:33,700 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:53:33,701 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:53:33,702 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:53:33,702 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:53:33,702 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:53:33,702 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:53:33,703 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:53:33,703 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:53:33,703 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:53:33,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:53:33,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:53:33,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:53:33,705 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:53:33,705 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:53:33,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:53:33,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:53:33,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:53:33,706 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:53:33,706 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:53:33,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:53:33,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:53:33,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:53:33,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:53:33,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:53:33,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:53:33,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:53:33,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:53:33,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:53:33,709 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:53:33,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:53:33,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:53:33,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:53:33,711 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-23 01:53:34,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:53:34,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:53:34,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:53:34,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:53:34,057 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:53:34,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-23 01:53:34,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/7a581954a/043902886c3e418e89310697b60ef79f/FLAGe143d930c [2021-11-23 01:53:34,917 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:53:34,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-23 01:53:34,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/7a581954a/043902886c3e418e89310697b60ef79f/FLAGe143d930c [2021-11-23 01:53:35,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/7a581954a/043902886c3e418e89310697b60ef79f [2021-11-23 01:53:35,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:53:35,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:53:35,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:35,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:53:35,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:53:35,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:35" (1/1) ... [2021-11-23 01:53:35,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231eca6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:35, skipping insertion in model container [2021-11-23 01:53:35,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:35" (1/1) ... [2021-11-23 01:53:35,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:53:35,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:53:35,650 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 01:53:35,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cd86f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:35, skipping insertion in model container [2021-11-23 01:53:35,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:35,652 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:53:35,655 INFO L158 Benchmark]: Toolchain (without parser) took 438.04ms. Allocated memory is still 100.7MB. Free memory was 67.9MB in the beginning and 77.7MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:53:35,656 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:53:35,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.43ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 77.7MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:53:35,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.43ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 77.7MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:53:38,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:53:38,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:53:38,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:53:38,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:53:38,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:53:38,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:53:38,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:53:38,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:53:38,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:53:38,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:53:38,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:53:38,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:53:38,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:53:38,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:53:38,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:53:38,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:53:38,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:53:38,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:53:38,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:53:38,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:53:38,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:53:38,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:53:38,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:53:38,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:53:38,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:53:38,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:53:38,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:53:38,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:53:38,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:53:38,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:53:38,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:53:38,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:53:38,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:53:38,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:53:38,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:53:38,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:53:38,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:53:38,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:53:38,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:53:38,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:53:38,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-23 01:53:38,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:53:38,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:53:38,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:53:38,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:53:38,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:53:38,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:53:38,793 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:53:38,793 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:53:38,794 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:53:38,794 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:53:38,795 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:53:38,796 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:53:38,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:53:38,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:53:38,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:53:38,798 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:53:38,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:53:38,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:53:38,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:53:38,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:53:38,799 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:53:38,800 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:53:38,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:53:38,800 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:53:38,800 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:53:38,801 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:53:38,801 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:53:38,801 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:53:38,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:53:38,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 01:53:38,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:53:38,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:53:38,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:53:38,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:53:38,804 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:53:38,804 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:53:38,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:53:38,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:53:38,804 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_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-23 01:53:39,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:53:39,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:53:39,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:53:39,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:53:39,248 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:53:39,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-23 01:53:39,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/d3d637ab6/8c27619759bd4c838d815e1ec4450e15/FLAG6c85fd048 [2021-11-23 01:53:40,114 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:53:40,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-23 01:53:40,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/d3d637ab6/8c27619759bd4c838d815e1ec4450e15/FLAG6c85fd048 [2021-11-23 01:53:40,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94668bb5-ec11-43e1-8520-a7c42c99ba4a/bin/utaipan-EQgc7hIp5V/data/d3d637ab6/8c27619759bd4c838d815e1ec4450e15 [2021-11-23 01:53:40,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:53:40,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:53:40,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:40,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:53:40,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:53:40,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:40" (1/1) ... [2021-11-23 01:53:40,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d5cc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:40, skipping insertion in model container [2021-11-23 01:53:40,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:40" (1/1) ... [2021-11-23 01:53:40,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:53:40,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:53:40,826 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 01:53:40,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a2c4c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:40, skipping insertion in model container [2021-11-23 01:53:40,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:53:40,829 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:53:40,832 INFO L158 Benchmark]: Toolchain (without parser) took 500.15ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 47.8MB in the end (delta: -4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:53:40,834 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:53:40,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.92ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 47.8MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:53:40,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.92ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 47.8MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit 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