./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/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_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:09,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:09,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:10,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:10,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:10,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:10,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:10,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:10,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:10,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:10,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:10,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:10,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:10,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:10,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:10,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:10,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:10,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:10,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:10,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:10,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:10,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:10,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:10,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:10,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:10,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:10,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:10,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:10,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:10,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:10,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:10,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:10,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:10,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:10,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:10,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:10,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:10,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:10,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:10,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:10,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:10,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:45:10,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:10,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:10,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:10,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:10,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:10,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:10,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:10,111 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:10,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:10,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:10,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:10,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:10,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:10,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:10,114 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:10,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:10,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:10,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:10,115 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:10,115 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:10,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:10,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:10,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:10,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:10,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:10,117 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:10,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:10,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:10,117 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_82f4297d-0820-4bd6-92a4-650740aa9e97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c [2021-11-23 15:45:10,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:10,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:10,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:10,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:10,453 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:10,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/sum.i [2021-11-23 15:45:10,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/16287ce85/4ce30a66bdd648d9b88ae7fa5593134e/FLAGdd954ab34 [2021-11-23 15:45:10,994 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:10,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/sv-benchmarks/c/reducercommutativity/sum.i [2021-11-23 15:45:11,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/16287ce85/4ce30a66bdd648d9b88ae7fa5593134e/FLAGdd954ab34 [2021-11-23 15:45:11,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/16287ce85/4ce30a66bdd648d9b88ae7fa5593134e [2021-11-23 15:45:11,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:11,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:11,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:11,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:11,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:11,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630696fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11, skipping insertion in model container [2021-11-23 15:45:11,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:11,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:11,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2021-11-23 15:45:11,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:11,592 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:11,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2021-11-23 15:45:11,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:11,629 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:11,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11 WrapperNode [2021-11-23 15:45:11,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:11,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:11,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:11,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:11,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,668 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2021-11-23 15:45:11,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:11,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:11,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:11,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:11,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:11,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:11,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:11,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:11,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:11" (1/1) ... [2021-11-23 15:45:11,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:11,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:11,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:11,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-11-23 15:45:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-11-23 15:45:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:45:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:45:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:11,856 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:11,858 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:12,040 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:12,069 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 15:45:12,074 INFO L158 Benchmark]: Toolchain (without parser) took 718.08ms. Allocated memory is still 113.2MB. Free memory was 82.2MB in the beginning and 73.8MB in the end (delta: 8.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:12,075 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:12,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.39ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 87.5MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:12,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:12,078 INFO L158 Benchmark]: Boogie Preprocessor took 25.68ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.0MB in the end (delta: 909.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:12,079 INFO L158 Benchmark]: RCFGBuilder took 376.07ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 73.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:12,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.39ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 87.5MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.68ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.0MB in the end (delta: 909.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.07ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 73.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:45:12,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/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_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/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_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:14,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:14,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:14,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:14,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:14,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:14,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:14,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:14,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:14,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:14,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:14,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:14,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:14,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:14,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:14,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:14,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:14,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:14,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:14,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:14,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:14,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:14,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:14,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:14,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:14,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:14,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:14,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:14,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:14,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:14,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:14,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:14,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:14,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:14,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:14,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:14,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:14,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:14,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:14,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:14,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:14,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:14,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:14,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:14,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:14,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:14,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:14,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:14,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:14,812 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:14,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:14,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:14,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:14,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:14,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:14,814 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:14,814 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:14,814 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:14,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:14,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:14,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:14,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:14,815 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:14,816 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:14,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:14,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:14,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:14,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:14,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:14,817 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:14,817 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:14,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:14,818 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:14,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:14,818 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_82f4297d-0820-4bd6-92a4-650740aa9e97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c [2021-11-23 15:45:15,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:15,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:15,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:15,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:15,303 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:15,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/sum.i [2021-11-23 15:45:15,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/c35d7f600/54cf99d2849e4b148c10e0525568058d/FLAG16a27adab [2021-11-23 15:45:15,902 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:15,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/sv-benchmarks/c/reducercommutativity/sum.i [2021-11-23 15:45:15,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/c35d7f600/54cf99d2849e4b148c10e0525568058d/FLAG16a27adab [2021-11-23 15:45:16,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/data/c35d7f600/54cf99d2849e4b148c10e0525568058d [2021-11-23 15:45:16,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:16,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:16,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:16,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:16,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:16,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2d8312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16, skipping insertion in model container [2021-11-23 15:45:16,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:16,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:16,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2021-11-23 15:45:16,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:16,582 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:16,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2021-11-23 15:45:16,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:16,658 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:16,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16 WrapperNode [2021-11-23 15:45:16,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:16,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:16,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:16,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:16,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,718 INFO L137 Inliner]: procedures = 18, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-11-23 15:45:16,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:16,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:16,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:16,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:16,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:16,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:16,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:16,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:16,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:16,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:16,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:16,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-11-23 15:45:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-11-23 15:45:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:45:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:45:16,998 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:17,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:17,202 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:17,225 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 15:45:17,230 INFO L158 Benchmark]: Toolchain (without parser) took 953.49ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.2MB in the beginning and 46.9MB in the end (delta: -14.8MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:17,231 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:17,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.72ms. Allocated memory is still 54.5MB. Free memory was 32.0MB in the beginning and 35.9MB in the end (delta: -3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:17,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.78ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 34.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:17,234 INFO L158 Benchmark]: Boogie Preprocessor took 59.46ms. Allocated memory is still 54.5MB. Free memory was 34.2MB in the beginning and 32.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:17,235 INFO L158 Benchmark]: RCFGBuilder took 447.45ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.9MB in the beginning and 46.9MB in the end (delta: -14.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:17,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.72ms. Allocated memory is still 54.5MB. Free memory was 32.0MB in the beginning and 35.9MB in the end (delta: -3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.78ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 34.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.46ms. Allocated memory is still 54.5MB. Free memory was 34.2MB in the beginning and 32.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 447.45ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.9MB in the beginning and 46.9MB in the end (delta: -14.0MB). Peak memory consumption was 14.3MB. 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 15:45:17,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f4297d-0820-4bd6-92a4-650740aa9e97/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