./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sep.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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:40,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:40,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:40,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:40,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:40,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:40,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:40,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:40,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:40,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:40,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:40,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:40,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:40,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:40,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:40,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:40,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:40,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:40,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:40,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:40,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:40,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:40,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:40,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:40,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:40,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:40,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:40,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:40,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:40,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:40,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:40,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:40,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:40,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:40,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:40,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:40,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:40,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:40,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:40,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:40,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:40,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:40,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:40,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:40,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:40,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:40,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:40,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:40,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:40,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:40,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:40,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:40,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:40,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:40,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:40,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:40,509 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:40,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:40,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:40,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:40,510 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:40,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:40,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:40,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:40,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:40,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:40,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:40,513 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:40,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:40,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:40,514 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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac [2021-11-23 15:50:40,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:40,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:40,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:40,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:40,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:40,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/sep.i [2021-11-23 15:50:40,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/9f34d292b/4027657ecc3140f6b441fbfb6f5b37ef/FLAG20e271a26 [2021-11-23 15:50:41,586 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:41,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/sv-benchmarks/c/reducercommutativity/sep.i [2021-11-23 15:50:41,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/9f34d292b/4027657ecc3140f6b441fbfb6f5b37ef/FLAG20e271a26 [2021-11-23 15:50:41,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/9f34d292b/4027657ecc3140f6b441fbfb6f5b37ef [2021-11-23 15:50:41,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:41,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:41,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:41,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:41,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:41,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9660fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41, skipping insertion in model container [2021-11-23 15:50:41,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:42,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:42,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:42,306 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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-11-23 15:50:42,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:42,319 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:42,345 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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-11-23 15:50:42,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:42,362 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:42,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42 WrapperNode [2021-11-23 15:50:42,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:42,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:42,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:42,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:42,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,407 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2021-11-23 15:50:42,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:42,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:42,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:42,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:42,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:42,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:42,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:42,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:42,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:42,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:42,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:42,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:50:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:50:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2021-11-23 15:50:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2021-11-23 15:50:42,620 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:42,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:42,787 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:42,807 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 15:50:42,812 INFO L158 Benchmark]: Toolchain (without parser) took 826.39ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.9MB in the beginning and 72.7MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:42,813 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:42,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.28ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.7MB in the beginning and 86.6MB in the end (delta: -32.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.40ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 84.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,817 INFO L158 Benchmark]: Boogie Preprocessor took 29.70ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 83.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,819 INFO L158 Benchmark]: RCFGBuilder took 371.08ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 72.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.28ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.7MB in the beginning and 86.6MB in the end (delta: -32.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.40ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 84.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.70ms. Allocated memory is still 111.1MB. Free memory was 84.9MB in the beginning and 83.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.08ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 72.7MB in the end (delta: 11.1MB). 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 15:50:42,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:45,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:45,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:45,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:45,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:45,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:45,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:45,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:45,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:45,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:45,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:45,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:45,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:45,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:45,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:45,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:45,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:45,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:45,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:45,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:45,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:45,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:45,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:45,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:45,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:45,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:45,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:45,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:45,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:45,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:45,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:45,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:45,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:45,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:45,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:45,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:45,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:45,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:45,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:45,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:45,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:45,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:45,980 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:45,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:45,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:45,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:45,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:45,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:45,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:45,983 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:45,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:45,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:45,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:45,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:45,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:45,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:45,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:45,985 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:45,985 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:45,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:45,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:45,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:45,986 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:45,986 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:45,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:45,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:45,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:45,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:45,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:45,988 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:45,988 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:45,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:45,988 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:45,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:45,989 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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac [2021-11-23 15:50:46,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:46,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:46,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:46,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:46,527 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:46,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/reducercommutativity/sep.i [2021-11-23 15:50:46,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/c27a1bc66/284cb08795fc4594a12d1da2a003cb16/FLAGd6ee0e88c [2021-11-23 15:50:47,325 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:47,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/sv-benchmarks/c/reducercommutativity/sep.i [2021-11-23 15:50:47,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/c27a1bc66/284cb08795fc4594a12d1da2a003cb16/FLAGd6ee0e88c [2021-11-23 15:50:47,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/data/c27a1bc66/284cb08795fc4594a12d1da2a003cb16 [2021-11-23 15:50:47,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:47,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:47,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:47,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:47,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:47,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e409bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47, skipping insertion in model container [2021-11-23 15:50:47,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:47,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:47,884 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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-11-23 15:50:47,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:47,933 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:47,975 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_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-11-23 15:50:47,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:47,995 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:47,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47 WrapperNode [2021-11-23 15:50:47,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:47,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:47,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:47,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:48,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,069 INFO L137 Inliner]: procedures = 18, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-11-23 15:50:48,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:48,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:48,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:48,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:48,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:48,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:48,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:48,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:48,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:48,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:48,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:48,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:48,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:50:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:50:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2021-11-23 15:50:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2021-11-23 15:50:48,381 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:48,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:48,705 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:48,742 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 15:50:48,770 INFO L158 Benchmark]: Toolchain (without parser) took 1107.25ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 45.5MB in the end (delta: -4.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:48,771 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:48,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.81ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 44.7MB in the end (delta: -3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:50:48,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.86ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 43.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:48,774 INFO L158 Benchmark]: Boogie Preprocessor took 55.22ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:48,775 INFO L158 Benchmark]: RCFGBuilder took 640.40ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 45.5MB in the end (delta: -3.9MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-11-23 15:50:48,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.81ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 44.7MB in the end (delta: -3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.86ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 43.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.22ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 640.40ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 45.5MB in the end (delta: -3.9MB). Peak memory consumption was 18.2MB. 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 15:50:48,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fbf1b9-08df-4ae2-acd1-a834432d7c7c/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