./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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 d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:00,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:00,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:00,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:00,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:00,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:00,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:00,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:00,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:00,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:00,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:00,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:00,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:00,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:00,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:00,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:00,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:00,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:00,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:00,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:00,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:00,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:00,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:00,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:00,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:00,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:00,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:00,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:00,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:00,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:00,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:00,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:00,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:00,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:00,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:00,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:00,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:00,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:00,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:00,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:00,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:00,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:53:00,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:00,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:00,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:00,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:00,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:00,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:00,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:53:00,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:00,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:00,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:00,638 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:53:00,638 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:53:00,638 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:53:00,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:00,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:00,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:00,639 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:00,639 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:00,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:00,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:00,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:00,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:00,641 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:00,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:00,641 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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 [2021-11-23 15:53:00,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:00,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:00,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:00,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:00,989 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:00,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2021-11-23 15:53:01,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/7c9177d96/81427f7375954261a2e9434b214679de/FLAG4d1176b57 [2021-11-23 15:53:01,749 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:01,752 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2021-11-23 15:53:01,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/7c9177d96/81427f7375954261a2e9434b214679de/FLAG4d1176b57 [2021-11-23 15:53:02,005 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/7c9177d96/81427f7375954261a2e9434b214679de [2021-11-23 15:53:02,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:02,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:02,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:02,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:02,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:02,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3406c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02, skipping insertion in model container [2021-11-23 15:53:02,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:02,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:02,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:02,395 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:02,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:02,488 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:02,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02 WrapperNode [2021-11-23 15:53:02,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:02,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:02,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:02,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:02,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,534 INFO L137 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2021-11-23 15:53:02,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:02,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:02,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:02,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:02,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:02,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:02,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:02,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:02,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:02" (1/1) ... [2021-11-23 15:53:02,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:02,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:02,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:02,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:02,807 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:02,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:03,081 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:03,106 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 15:53:03,111 INFO L158 Benchmark]: Toolchain (without parser) took 1099.05ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 38.1MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:03,112 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 81.8MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:03,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.08ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 55.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:03,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.80ms. Allocated memory is still 100.7MB. Free memory was 55.0MB in the beginning and 53.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:03,115 INFO L158 Benchmark]: Boogie Preprocessor took 27.82ms. Allocated memory is still 100.7MB. Free memory was 53.1MB in the beginning and 51.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:03,116 INFO L158 Benchmark]: RCFGBuilder took 545.99ms. Allocated memory is still 100.7MB. Free memory was 51.6MB in the beginning and 38.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:03,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 81.8MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.08ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 55.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.80ms. Allocated memory is still 100.7MB. Free memory was 55.0MB in the beginning and 53.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.82ms. Allocated memory is still 100.7MB. Free memory was 53.1MB in the beginning and 51.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.99ms. Allocated memory is still 100.7MB. Free memory was 51.6MB in the beginning and 38.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. 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 15:53:03,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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 d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:05,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:05,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:05,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:05,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:05,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:05,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:05,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:05,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:05,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:05,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:05,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:05,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:05,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:05,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:05,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:05,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:05,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:05,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:05,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:05,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:05,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:05,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:05,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:05,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:05,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:05,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:05,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:05,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:05,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:05,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:05,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:05,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:05,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:05,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:05,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:05,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:05,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:05,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:05,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:05,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:05,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:05,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:05,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:05,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:05,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:05,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:05,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:05,826 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:53:05,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:05,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:05,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:05,827 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:53:05,827 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:53:05,828 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:53:05,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:05,828 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:05,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:05,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:05,829 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:05,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:05,829 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:05,829 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:05,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:05,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:05,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:05,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:05,831 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:05,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:05,831 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:05,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:05,832 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_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 [2021-11-23 15:53:06,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:06,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:06,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:06,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:06,277 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:06,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2021-11-23 15:53:06,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/b5ca633a5/cf905f21c25848848f14a4dbd85df40c/FLAG021730d98 [2021-11-23 15:53:07,052 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:07,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2021-11-23 15:53:07,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/b5ca633a5/cf905f21c25848848f14a4dbd85df40c/FLAG021730d98 [2021-11-23 15:53:07,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/data/b5ca633a5/cf905f21c25848848f14a4dbd85df40c [2021-11-23 15:53:07,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:07,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:07,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:07,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:07,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:07,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0f98d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07, skipping insertion in model container [2021-11-23 15:53:07,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:07,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:07,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:07,674 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:07,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:07,748 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:07,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07 WrapperNode [2021-11-23 15:53:07,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:07,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:07,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:07,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:07,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,824 INFO L137 Inliner]: procedures = 118, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2021-11-23 15:53:07,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:07,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:07,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:07,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:07,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:07,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:07,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:07,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:07,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:07,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:07,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:07,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:08,031 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:08,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:08,321 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:08,360 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 15:53:08,364 INFO L158 Benchmark]: Toolchain (without parser) took 1052.17ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 52.8MB in the beginning and 84.6MB in the end (delta: -31.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:08,364 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:08,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.67ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 48.3MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:08,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.06ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:08,372 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 44.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:08,375 INFO L158 Benchmark]: RCFGBuilder took 507.17ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 44.6MB in the beginning and 84.6MB in the end (delta: -40.0MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:08,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.67ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 48.3MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.06ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 44.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.17ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 44.6MB in the beginning and 84.6MB in the end (delta: -40.0MB). Peak memory consumption was 14.6MB. 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 15:53:08,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d09bbfa-01ae-4ff0-827b-9a8cde6a1601/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