./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array03-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_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/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_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/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_3f451ced-a560-4953-bfef-e0eb976ebc99/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 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:06,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:06,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:06,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:06,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:06,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:06,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:06,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:06,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:06,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:06,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:06,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:06,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:06,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:06,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:06,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:06,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:06,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:06,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:06,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:06,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:06,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:06,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:06,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:06,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:06,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:06,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:06,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:06,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:06,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:06,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:06,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:06,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:06,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:06,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:06,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:06,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:06,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:06,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:06,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:06,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:06,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:42:06,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:06,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:06,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:06,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:06,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:06,813 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:06,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:42:06,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:06,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:06,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:06,821 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:42:06,821 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:42:06,822 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:42:06,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:06,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:06,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:06,823 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:06,823 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:06,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:06,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:06,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:06,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:06,824 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:42:06,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:42:06,824 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_3f451ced-a560-4953-bfef-e0eb976ebc99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2021-11-23 15:42:07,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:07,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:07,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:07,162 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:07,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:07,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2021-11-23 15:42:07,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/bf7336a90/d6f62445e5d941a195afed793b57dd58/FLAGb03f98e71 [2021-11-23 15:42:07,803 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:07,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2021-11-23 15:42:07,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/bf7336a90/d6f62445e5d941a195afed793b57dd58/FLAGb03f98e71 [2021-11-23 15:42:08,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/bf7336a90/d6f62445e5d941a195afed793b57dd58 [2021-11-23 15:42:08,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:08,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:08,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:08,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:08,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:08,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef9cbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08, skipping insertion in model container [2021-11-23 15:42:08,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:08,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:08,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:08,522 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:08,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:08,589 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:08,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08 WrapperNode [2021-11-23 15:42:08,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:08,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:08,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:08,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:08,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,646 INFO L137 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-23 15:42:08,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:08,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:08,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:08,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:08,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:08,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:08,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:08,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:08,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:08" (1/1) ... [2021-11-23 15:42:08,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:08,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:08,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:08,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:42:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:42:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:08,851 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:08,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:09,031 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:09,070 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 15:42:09,075 INFO L158 Benchmark]: Toolchain (without parser) took 980.28ms. Allocated memory is still 119.5MB. Free memory was 77.9MB in the beginning and 68.6MB in the end (delta: 9.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:42:09,075 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:09,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.81ms. Allocated memory is still 119.5MB. Free memory was 77.7MB in the beginning and 85.7MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:42:09,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.01ms. Allocated memory is still 119.5MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:09,078 INFO L158 Benchmark]: Boogie Preprocessor took 25.57ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 82.6MB in the end (delta: 926.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:09,079 INFO L158 Benchmark]: RCFGBuilder took 399.23ms. Allocated memory is still 119.5MB. Free memory was 82.6MB in the beginning and 68.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:42:09,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.81ms. Allocated memory is still 119.5MB. Free memory was 77.7MB in the beginning and 85.7MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.01ms. Allocated memory is still 119.5MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.57ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 82.6MB in the end (delta: 926.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.23ms. Allocated memory is still 119.5MB. Free memory was 82.6MB in the beginning and 68.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. 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 15:42:09,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/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_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/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_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/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_3f451ced-a560-4953-bfef-e0eb976ebc99/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 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:11,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:11,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:11,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:11,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:11,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:11,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:11,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:11,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:11,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:11,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:11,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:11,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:11,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:11,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:11,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:11,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:11,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:11,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:11,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:11,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:11,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:11,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:11,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:11,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:11,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:11,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:11,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:11,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:11,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:11,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:11,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:11,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:11,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:11,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:11,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:11,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:11,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:11,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:11,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:11,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:11,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:42:11,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:11,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:11,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:11,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:11,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:11,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:11,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:42:11,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:11,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:11,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:11,916 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:42:11,917 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:42:11,917 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:42:11,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:11,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:42:11,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:42:11,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:42:11,918 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:11,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:11,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:11,918 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:11,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:11,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:11,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:11,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:11,920 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:42:11,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:42:11,920 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:42:11,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:42:11,920 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_3f451ced-a560-4953-bfef-e0eb976ebc99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2021-11-23 15:42:12,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:12,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:12,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:12,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:12,336 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:12,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2021-11-23 15:42:12,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/11cf8ba67/a7399aed27394cf3a149ebb428296d76/FLAGdfb123431 [2021-11-23 15:42:13,054 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:13,057 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2021-11-23 15:42:13,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/11cf8ba67/a7399aed27394cf3a149ebb428296d76/FLAGdfb123431 [2021-11-23 15:42:13,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/data/11cf8ba67/a7399aed27394cf3a149ebb428296d76 [2021-11-23 15:42:13,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:13,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:13,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:13,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:13,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:13,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64081937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13, skipping insertion in model container [2021-11-23 15:42:13,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:13,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:13,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:13,780 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:42:13,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:13,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:13,825 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:13,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:13,895 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:13,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13 WrapperNode [2021-11-23 15:42:13,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:13,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:13,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:13,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:13,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,965 INFO L137 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 15:42:13,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:13,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:13,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:13,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:13,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:13,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:14,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:14,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:14,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:14,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:14,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:14,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:14,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:14,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:13" (1/1) ... [2021-11-23 15:42:14,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:14,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:14,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:42:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:42:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:14,286 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:14,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:14,690 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:14,745 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 15:42:14,752 INFO L158 Benchmark]: Toolchain (without parser) took 1386.29ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.4MB in the beginning and 46.9MB in the end (delta: -11.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,753 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:14,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.09ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.2MB in the beginning and 47.9MB in the end (delta: -12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.54ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,757 INFO L158 Benchmark]: Boogie Preprocessor took 50.82ms. Allocated memory is still 75.5MB. Free memory was 45.7MB in the beginning and 44.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,757 INFO L158 Benchmark]: RCFGBuilder took 730.83ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 46.9MB in the end (delta: -2.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:14,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.09ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.2MB in the beginning and 47.9MB in the end (delta: -12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.54ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.82ms. Allocated memory is still 75.5MB. Free memory was 45.7MB in the beginning and 44.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.83ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 46.9MB in the end (delta: -2.6MB). Peak memory consumption was 10.1MB. 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 15:42:14,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f451ced-a560-4953-bfef-e0eb976ebc99/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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