./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ba48a5ba258c97002ebbac7c4ac0368a62523f ........................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ba48a5ba258c97002ebbac7c4ac0368a62523f ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:16:45,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:16:45,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:16:45,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:16:45,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:16:45,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:16:45,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:16:45,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:16:45,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:16:45,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:16:45,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:16:45,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:16:45,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:16:45,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:16:45,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:16:45,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:16:45,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:16:45,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:16:45,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:16:45,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:16:45,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:16:45,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:16:45,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:16:45,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:16:45,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:16:45,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:16:45,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:16:45,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:16:45,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:16:45,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:16:45,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:16:45,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:16:45,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:16:45,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:16:45,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:16:45,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:16:45,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:16:45,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:16:45,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:16:45,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:16:45,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:16:45,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2020-12-01 16:16:45,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:16:45,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:16:45,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:16:45,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:16:45,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:16:45,672 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:16:45,673 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:16:45,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:16:45,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:16:45,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:16:45,674 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:16:45,675 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:16:45,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:16:45,675 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:16:45,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:16:45,676 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:16:45,677 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:16:45,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:16:45,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:16:45,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:16:45,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:16:45,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:16:45,679 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:16:45,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:16:45,680 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-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2020-12-01 16:16:45,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:16:45,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:16:45,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:16:45,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:16:45,986 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:16:45,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-12-01 16:16:46,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/d76d57976/bd2aa0af5c714d31bdb40f90e318d0c7/FLAG516fad8d4 [2020-12-01 16:16:46,609 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:16:46,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-12-01 16:16:46,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/d76d57976/bd2aa0af5c714d31bdb40f90e318d0c7/FLAG516fad8d4 [2020-12-01 16:16:46,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/d76d57976/bd2aa0af5c714d31bdb40f90e318d0c7 [2020-12-01 16:16:46,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:16:46,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:16:46,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:16:46,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:16:46,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:16:46,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:46" (1/1) ... [2020-12-01 16:16:46,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348d0c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:46, skipping insertion in model container [2020-12-01 16:16:46,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:46" (1/1) ... [2020-12-01 16:16:46,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:16:46,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:16:47,348 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-12-01 16:16:47,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c22c3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:47, skipping insertion in model container [2020-12-01 16:16:47,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:16:47,349 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:16:47,352 INFO L168 Benchmark]: Toolchain (without parser) took 429.94 ms. Allocated memory is still 86.0 MB. Free memory was 51.7 MB in the beginning and 64.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:16:47,353 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 71.3 MB. Free memory was 51.5 MB in the beginning and 51.5 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:16:47,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.69 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 64.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:16:47,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 71.3 MB. Free memory was 51.5 MB in the beginning and 51.5 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 425.69 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 64.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:16:49,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:16:49,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:16:49,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:16:49,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:16:49,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:16:49,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:16:49,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:16:49,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:16:49,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:16:49,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:16:49,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:16:49,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:16:49,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:16:49,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:16:49,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:16:49,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:16:49,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:16:49,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:16:49,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:16:49,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:16:49,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:16:49,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:16:49,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:16:49,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:16:49,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:16:49,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:16:49,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:16:49,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:16:49,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:16:49,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:16:49,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:16:49,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:16:49,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:16:49,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:16:49,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:16:49,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:16:49,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:16:49,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:16:49,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:16:49,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:16:49,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2020-12-01 16:16:49,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:16:49,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:16:49,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:16:49,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:16:49,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:16:49,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:16:49,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:16:49,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:16:49,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:16:49,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:16:49,822 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:16:49,822 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:16:49,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:16:49,822 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:16:49,822 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:16:49,823 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:16:49,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:16:49,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:16:49,823 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:16:49,823 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:16:49,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:16:49,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:16:49,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:16:49,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:16:49,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:16:49,825 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:16:49,825 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:16:49,825 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:16:49,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:16:49,825 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-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2020-12-01 16:16:50,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:16:50,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:16:50,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:16:50,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:16:50,271 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:16:50,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-12-01 16:16:50,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/68ed98088/46389e91904b4c449494b80d56a3b76d/FLAGe2831d07b [2020-12-01 16:16:51,058 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:16:51,062 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-12-01 16:16:51,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/68ed98088/46389e91904b4c449494b80d56a3b76d/FLAGe2831d07b [2020-12-01 16:16:51,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5fc63917-1032-4857-8c8b-c9707c8e01a4/bin/ukojak/data/68ed98088/46389e91904b4c449494b80d56a3b76d [2020-12-01 16:16:51,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:16:51,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:16:51,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:16:51,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:16:51,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:16:51,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:51" (1/1) ... [2020-12-01 16:16:51,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbc56e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:51, skipping insertion in model container [2020-12-01 16:16:51,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:51" (1/1) ... [2020-12-01 16:16:51,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:16:51,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:16:51,637 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-12-01 16:16:51,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cd9c011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:51, skipping insertion in model container [2020-12-01 16:16:51,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:16:51,639 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:16:51,642 INFO L168 Benchmark]: Toolchain (without parser) took 314.92 ms. Allocated memory is still 60.8 MB. Free memory was 38.8 MB in the beginning and 28.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:16:51,644 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 45.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:16:51,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.10 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 28.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:16:51,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 45.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.10 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 28.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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...