./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3 --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 Automizer --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_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3 --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 Automizer --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 0.2.1-dev-5709675 [2021-10-15 19:09:43,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:09:43,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:09:43,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:09:43,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:09:43,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:09:43,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:09:43,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:09:44,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:09:44,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:09:44,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:09:44,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:09:44,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:09:44,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:09:44,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:09:44,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:09:44,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:09:44,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:09:44,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:09:44,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:09:44,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:09:44,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:09:44,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:09:44,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:09:44,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:09:44,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:09:44,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:09:44,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:09:44,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:09:44,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:09:44,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:09:44,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:09:44,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:09:44,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:09:44,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:09:44,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:09:44,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:09:44,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:09:44,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:09:44,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:09:44,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:09:44,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2021-10-15 19:09:44,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:09:44,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:09:44,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:09:44,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:09:44,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:09:44,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:09:44,123 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:09:44,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:09:44,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:09:44,124 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:09:44,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:09:44,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:09:44,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:09:44,126 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-15 19:09:44,126 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-15 19:09:44,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:09:44,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-15 19:09:44,127 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:09:44,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:09:44,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:09:44,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:09:44,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:09:44,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:09:44,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:09:44,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:09:44,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:09:44,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:09:44,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:09:44,129 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_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-10-15 19:09:44,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:09:44,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:09:44,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:09:44,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:09:44,478 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:09:44,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-15 19:09:44,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/2b957d570/0e975e963d234940a19766c341c00134/FLAG636bc621c [2021-10-15 19:09:45,113 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:09:45,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-15 19:09:45,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/2b957d570/0e975e963d234940a19766c341c00134/FLAG636bc621c [2021-10-15 19:09:45,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/2b957d570/0e975e963d234940a19766c341c00134 [2021-10-15 19:09:45,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:09:45,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-15 19:09:45,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:09:45,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:09:45,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:09:45,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:09:45" (1/1) ... [2021-10-15 19:09:45,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181420ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:09:45, skipping insertion in model container [2021-10-15 19:09:45,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:09:45" (1/1) ... [2021-10-15 19:09:45,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:09:45,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:09:45,869 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-15 19:09:45,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ba03161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:09:45, skipping insertion in model container [2021-10-15 19:09:45,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:09:45,871 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-15 19:09:45,873 INFO L168 Benchmark]: Toolchain (without parser) took 405.06 ms. Allocated memory is still 92.3 MB. Free memory was 51.0 MB in the beginning and 67.6 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:09:45,874 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:09:45,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.30 ms. Allocated memory is still 92.3 MB. Free memory was 71.5 MB in the beginning and 67.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:09:45,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.30 ms. Allocated memory is still 92.3 MB. Free memory was 71.5 MB in the beginning and 67.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 6.3 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 0.2.1-dev-5709675 [2021-10-15 19:09:48,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:09:48,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:09:48,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:09:48,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:09:48,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:09:48,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:09:48,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:09:48,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:09:48,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:09:48,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:09:48,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:09:48,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:09:48,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:09:48,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:09:48,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:09:48,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:09:48,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:09:48,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:09:48,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:09:48,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:09:48,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:09:48,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:09:48,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:09:48,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:09:48,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:09:48,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:09:48,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:09:48,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:09:48,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:09:48,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:09:48,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:09:48,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:09:48,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:09:48,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:09:48,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:09:48,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:09:48,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:09:48,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:09:48,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:09:48,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:09:48,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2021-10-15 19:09:48,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:09:48,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:09:48,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:09:48,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:09:48,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:09:48,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:09:48,493 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:09:48,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:09:48,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:09:48,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:09:48,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:09:48,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:09:48,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:09:48,495 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-15 19:09:48,495 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-15 19:09:48,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:09:48,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-15 19:09:48,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:09:48,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:09:48,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:09:48,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:09:48,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:09:48,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:09:48,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:09:48,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:09:48,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:09:48,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:09:48,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:09:48,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:09:48,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:09:48,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:09:48,500 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_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-10-15 19:09:48,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:09:48,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:09:48,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:09:48,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:09:48,962 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:09:48,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-15 19:09:49,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/85f2d5282/171e89f8bb20497fa0909d8cc104d6b4/FLAG7f6942a04 [2021-10-15 19:09:49,650 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:09:49,651 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-15 19:09:49,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/85f2d5282/171e89f8bb20497fa0909d8cc104d6b4/FLAG7f6942a04 [2021-10-15 19:09:49,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeaa0e4-9007-4c27-a139-df9e2ff93a67/bin/uautomizer-hJ6jxDFKc3/data/85f2d5282/171e89f8bb20497fa0909d8cc104d6b4 [2021-10-15 19:09:49,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:09:50,001 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-15 19:09:50,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:09:50,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:09:50,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:09:50,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:09:49" (1/1) ... [2021-10-15 19:09:50,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee935d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:09:50, skipping insertion in model container [2021-10-15 19:09:50,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:09:49" (1/1) ... [2021-10-15 19:09:50,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:09:50,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:09:50,475 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-15 19:09:50,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18c3b633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:09:50, skipping insertion in model container [2021-10-15 19:09:50,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:09:50,478 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-15 19:09:50,480 INFO L168 Benchmark]: Toolchain (without parser) took 477.84 ms. Allocated memory is still 65.0 MB. Free memory was 49.0 MB in the beginning and 38.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:09:50,482 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 31.0 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:09:50,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.67 ms. Allocated memory is still 65.0 MB. Free memory was 48.7 MB in the beginning and 38.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:09:50,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 31.0 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.67 ms. Allocated memory is still 65.0 MB. Free memory was 48.7 MB in the beginning and 38.6 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...