./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:31,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:31,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:31,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:31,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:31,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:31,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:31,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:31,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:31,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:31,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:31,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:31,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:31,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:31,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:31,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:31,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:31,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:31,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:31,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:31,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:31,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:31,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:31,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:31,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:31,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:31,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:31,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:31,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:31,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:31,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:31,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:31,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:31,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:31,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:31,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:31,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:31,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:31,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:31,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:31,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:31,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:01:31,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:31,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:31,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:31,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:31,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:31,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:31,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:01:31,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:31,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:31,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:31,775 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:01:31,776 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:01:31,776 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:01:31,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:31,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:31,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:31,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:31,777 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:31,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:31,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:31,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:31,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:31,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:31,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:31,779 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_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2021-11-23 15:01:32,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:32,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:32,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:32,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:32,140 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:32,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-11-23 15:01:32,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/74c8edb34/d4c9c7810d4144a8919b1d7aedfc9085/FLAG91913f417 [2021-11-23 15:01:32,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:32,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-11-23 15:01:32,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/74c8edb34/d4c9c7810d4144a8919b1d7aedfc9085/FLAG91913f417 [2021-11-23 15:01:33,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/74c8edb34/d4c9c7810d4144a8919b1d7aedfc9085 [2021-11-23 15:01:33,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:33,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:33,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:33,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:33,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:33,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2435526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33, skipping insertion in model container [2021-11-23 15:01:33,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:33,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:33,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:33,535 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:33,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:33,597 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:33,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33 WrapperNode [2021-11-23 15:01:33,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:33,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:33,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:33,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:33,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,642 INFO L137 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 15:01:33,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:33,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:33,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:33,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:33,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:33,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:33,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:33,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:33,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:33" (1/1) ... [2021-11-23 15:01:33,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:33,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:33,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:33,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:33,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:33,865 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:33,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:34,032 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:34,060 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:01:34,064 INFO L158 Benchmark]: Toolchain (without parser) took 941.75ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 51.6MB in the end (delta: 7.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:01:34,065 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:34,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.09ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 64.4MB in the end (delta: -5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:34,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.38ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 62.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:34,067 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 61.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:34,068 INFO L158 Benchmark]: RCFGBuilder took 394.79ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 51.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:34,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.09ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 64.4MB in the end (delta: -5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.38ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 62.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 61.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.79ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 51.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:34,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:36,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:36,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:36,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:36,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:36,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:36,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:36,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:36,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:36,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:36,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:36,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:36,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:36,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:36,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:36,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:36,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:36,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:36,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:36,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:36,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:36,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:36,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:36,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:36,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:36,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:36,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:36,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:36,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:36,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:36,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:36,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:36,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:36,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:36,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:36,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:36,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:36,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:36,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:36,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:36,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:36,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:36,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:36,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:36,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:36,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:36,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:36,596 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:36,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:01:36,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:36,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:36,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:36,596 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:01:36,597 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:01:36,597 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:01:36,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:36,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:36,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:36,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:36,598 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:36,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:36,598 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:36,598 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:36,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:36,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:36,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:36,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:36,599 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:36,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:36,600 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:36,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:36,600 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_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2021-11-23 15:01:36,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:36,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:36,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:36,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:37,000 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:37,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-11-23 15:01:37,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/cd6278247/3e2c51e88a9b4fc483b6461ea0d9bb36/FLAG073641466 [2021-11-23 15:01:37,619 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:37,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-11-23 15:01:37,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/cd6278247/3e2c51e88a9b4fc483b6461ea0d9bb36/FLAG073641466 [2021-11-23 15:01:37,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/data/cd6278247/3e2c51e88a9b4fc483b6461ea0d9bb36 [2021-11-23 15:01:37,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:37,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:37,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:37,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:37,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:37,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:37" (1/1) ... [2021-11-23 15:01:37,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6e7691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:37, skipping insertion in model container [2021-11-23 15:01:37,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:37" (1/1) ... [2021-11-23 15:01:37,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:38,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:38,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:38,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:38,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:38,480 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:38,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38 WrapperNode [2021-11-23 15:01:38,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:38,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:38,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:38,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:38,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,554 INFO L137 Inliner]: procedures = 117, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-23 15:01:38,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:38,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:38,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:38,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:38,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:38,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:38,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:38,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:38,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:38" (1/1) ... [2021-11-23 15:01:38,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:38,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:38,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:38,780 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:38,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:38,906 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:38,936 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:01:38,941 INFO L158 Benchmark]: Toolchain (without parser) took 1004.81ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 38.8MB in the end (delta: 12.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:38,941 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:38,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.12ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 51.9MB in the end (delta: -1.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:38,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.13ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 49.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:38,956 INFO L158 Benchmark]: Boogie Preprocessor took 46.42ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 48.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:38,957 INFO L158 Benchmark]: RCFGBuilder took 335.16ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 38.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:38,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.12ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 51.9MB in the end (delta: -1.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.13ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 49.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.42ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 48.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.16ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 38.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:39,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a06199b-e6fe-4420-91ce-4bd08de366f0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable