./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum20.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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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 66b03bf685aae9720ef4af0fb91907139a878375cd48373b4439b53b2302a22a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:15,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:15,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:15,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:15,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:15,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:15,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:15,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:15,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:15,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:15,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:15,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:15,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:15,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:15,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:15,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:15,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:15,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:15,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:15,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:15,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:15,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:15,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:15,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:15,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:15,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:15,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:15,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:15,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:15,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:15,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:15,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:15,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:15,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:15,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:15,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:15,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:15,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:15,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:15,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:15,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:15,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:39:15,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:15,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:15,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:15,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:15,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:15,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:15,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:15,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:15,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:15,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:15,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:15,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:15,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:15,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:15,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:15,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:15,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:15,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:15,556 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:15,557 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:15,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:15,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:15,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:15,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:15,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:15,558 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:15,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:15,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:15,559 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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b03bf685aae9720ef4af0fb91907139a878375cd48373b4439b53b2302a22a [2021-11-23 15:39:15,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:15,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:15,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:15,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:15,863 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:15,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/rangesum20.i [2021-11-23 15:39:15,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/edfeb0d36/575c945c6f904fcdb89d3c047480c76b/FLAGe8540ee84 [2021-11-23 15:39:16,458 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:16,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/sv-benchmarks/c/reducercommutativity/rangesum20.i [2021-11-23 15:39:16,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/edfeb0d36/575c945c6f904fcdb89d3c047480c76b/FLAGe8540ee84 [2021-11-23 15:39:16,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/edfeb0d36/575c945c6f904fcdb89d3c047480c76b [2021-11-23 15:39:16,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:16,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:16,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:16,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:16,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:16,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:16" (1/1) ... [2021-11-23 15:39:16,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9c4813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:16, skipping insertion in model container [2021-11-23 15:39:16,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:16" (1/1) ... [2021-11-23 15:39:16,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:16,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:17,035 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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/sv-benchmarks/c/reducercommutativity/rangesum20.i[1465,1478] [2021-11-23 15:39:17,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:17,045 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:17,064 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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/sv-benchmarks/c/reducercommutativity/rangesum20.i[1465,1478] [2021-11-23 15:39:17,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:17,078 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:17,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17 WrapperNode [2021-11-23 15:39:17,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:17,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:17,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:17,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:17,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,122 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2021-11-23 15:39:17,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:17,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:17,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:17,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:17,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:17,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:17,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:17,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:17,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:17,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:17,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:17,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2021-11-23 15:39:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2021-11-23 15:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:17,332 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:17,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:17,556 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:17,591 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 15:39:17,604 INFO L158 Benchmark]: Toolchain (without parser) took 799.91ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 69.0MB in the end (delta: 9.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:17,604 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:17,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.32ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 83.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:17,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.03ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 81.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:17,607 INFO L158 Benchmark]: Boogie Preprocessor took 66.34ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:17,608 INFO L158 Benchmark]: RCFGBuilder took 410.50ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 69.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:17,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.32ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 83.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.03ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 81.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.34ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.50ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 69.0MB in the end (delta: 11.4MB). 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 15:39:17,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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 66b03bf685aae9720ef4af0fb91907139a878375cd48373b4439b53b2302a22a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:20,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:20,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:20,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:20,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:20,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:20,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:20,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:20,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:20,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:20,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:20,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:20,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:20,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:20,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:20,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:20,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:20,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:20,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:20,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:20,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:20,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:20,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:20,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:20,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:20,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:20,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:20,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:20,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:20,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:20,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:20,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:20,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:20,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:20,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:20,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:20,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:20,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:20,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:20,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:20,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:20,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:39:20,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:20,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:20,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:20,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:20,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:20,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:20,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:20,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:20,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:20,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:20,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:20,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:20,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:20,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:20,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:20,153 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:20,153 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:20,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:20,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:20,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:20,154 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:20,154 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:20,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:20,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:20,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:20,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:20,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:20,156 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:20,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:20,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:20,156 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:20,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:20,157 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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b03bf685aae9720ef4af0fb91907139a878375cd48373b4439b53b2302a22a [2021-11-23 15:39:20,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:20,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:20,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:20,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:20,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:20,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/rangesum20.i [2021-11-23 15:39:20,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/aed00eb50/9ce63b8390f34702b3e233c138f373df/FLAG8816c768f [2021-11-23 15:39:21,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:21,123 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/sv-benchmarks/c/reducercommutativity/rangesum20.i [2021-11-23 15:39:21,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/aed00eb50/9ce63b8390f34702b3e233c138f373df/FLAG8816c768f [2021-11-23 15:39:21,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/data/aed00eb50/9ce63b8390f34702b3e233c138f373df [2021-11-23 15:39:21,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:21,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:21,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:21,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:21,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:21,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd2fe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21, skipping insertion in model container [2021-11-23 15:39:21,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:21,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:21,715 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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/sv-benchmarks/c/reducercommutativity/rangesum20.i[1465,1478] [2021-11-23 15:39:21,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:21,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:21,761 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_eabf55b7-370e-4dc8-b4aa-43c9445e4227/sv-benchmarks/c/reducercommutativity/rangesum20.i[1465,1478] [2021-11-23 15:39:21,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:21,786 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:21,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21 WrapperNode [2021-11-23 15:39:21,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:21,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:21,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:21,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:21,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,836 INFO L137 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2021-11-23 15:39:21,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:21,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:21,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:21,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:21,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:21,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:21,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:21,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:21,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:21" (1/1) ... [2021-11-23 15:39:21,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:21,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:21,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:21,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:39:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2021-11-23 15:39:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2021-11-23 15:39:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:39:22,069 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:22,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:22,719 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:22,741 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 15:39:22,744 INFO L158 Benchmark]: Toolchain (without parser) took 1239.75ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 67.7MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:22,745 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 80.5MB in the beginning and 80.4MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:22,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.39ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 82.8MB in the end (delta: -19.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 15:39:22,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.93ms. Allocated memory is still 98.6MB. Free memory was 82.8MB in the beginning and 81.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:22,747 INFO L158 Benchmark]: Boogie Preprocessor took 28.52ms. Allocated memory is still 98.6MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:22,748 INFO L158 Benchmark]: RCFGBuilder took 876.03ms. Allocated memory is still 98.6MB. Free memory was 79.7MB in the beginning and 67.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:22,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 80.5MB in the beginning and 80.4MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.39ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 82.8MB in the end (delta: -19.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.93ms. Allocated memory is still 98.6MB. Free memory was 82.8MB in the beginning and 81.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.52ms. Allocated memory is still 98.6MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 876.03ms. Allocated memory is still 98.6MB. Free memory was 79.7MB in the beginning and 67.7MB in the end (delta: 12.0MB). 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 15:39:22,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabf55b7-370e-4dc8-b4aa-43c9445e4227/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