./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c --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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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 59e3e46f44c4af6b4c125f352948304d54499979006c079b47d74ff56c39a104 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:30,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:30,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:30,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:30,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:30,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:30,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:30,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:30,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:30,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:30,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:30,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:30,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:30,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:30,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:30,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:30,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:30,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:30,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:30,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:30,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:30,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:30,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:30,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:30,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:30,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:30,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:30,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:30,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:30,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:30,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:30,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:30,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:30,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:30,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:30,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:30,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:30,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:30,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:30,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:30,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:30,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:31:30,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:30,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:30,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:30,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:30,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:30,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:30,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:30,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:30,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:30,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:30,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:30,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:30,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:30,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:30,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:30,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:30,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:30,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:30,210 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:30,210 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:30,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:30,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:30,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:30,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:30,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:30,212 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:30,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:30,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:30,213 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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59e3e46f44c4af6b4c125f352948304d54499979006c079b47d74ff56c39a104 [2021-11-23 15:31:30,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:30,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:30,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:30,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:30,592 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:30,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c [2021-11-23 15:31:30,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/316f88dc5/79972213488c493ca73929fda2d779b3/FLAG292cc4551 [2021-11-23 15:31:31,727 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:31,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c [2021-11-23 15:31:31,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/316f88dc5/79972213488c493ca73929fda2d779b3/FLAG292cc4551 [2021-11-23 15:31:32,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/316f88dc5/79972213488c493ca73929fda2d779b3 [2021-11-23 15:31:32,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:32,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:32,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:32,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:32,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:32,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 15:31:32,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b83346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32, skipping insertion in model container [2021-11-23 15:31:32,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 15:31:32,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:32,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:32,736 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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c[1673,1686] [2021-11-23 15:31:34,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:34,369 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:34,400 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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c[1673,1686] [2021-11-23 15:31:35,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:35,557 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:35,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35 WrapperNode [2021-11-23 15:31:35,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:35,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:35,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:35,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:35,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:36,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:37,940 INFO L137 Inliner]: procedures = 57, calls = 17866, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 39403 [2021-11-23 15:31:37,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:37,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:37,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:37,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:37,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:37,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:38,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:38,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:39,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:39,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:39,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:39,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:39,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:39,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:39,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:39,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:35" (1/1) ... [2021-11-23 15:31:39,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:39,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:39,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:39,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:39,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:39,755 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:31:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:31:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:31:39,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:31:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:31:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:31:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:31:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:31:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:31:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:31:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:31:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:31:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:31:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:31:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:31:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:31:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:31:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:31:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:31:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:31:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:31:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:31:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:31:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:31:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:31:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:31:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:39,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:39,763 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:31:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:31:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:31:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:31:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:31:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:31:41,992 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:41,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:04,262 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:05,036 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 15:33:05,043 INFO L158 Benchmark]: Toolchain (without parser) took 92922.33ms. Allocated memory was 98.6MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 49.3MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 647.8MB. Max. memory is 16.1GB. [2021-11-23 15:33:05,045 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:05,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3436.76ms. Allocated memory was 98.6MB in the beginning and 220.2MB in the end (delta: 121.6MB). Free memory was 49.3MB in the beginning and 85.4MB in the end (delta: -36.1MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:05,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 2381.79ms. Allocated memory was 220.2MB in the beginning and 1.1GB in the end (delta: 847.2MB). Free memory was 85.4MB in the beginning and 830.9MB in the end (delta: -745.5MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:05,050 INFO L158 Benchmark]: Boogie Preprocessor took 1704.13ms. Allocated memory is still 1.1GB. Free memory was 830.9MB in the beginning and 766.8MB in the end (delta: 64.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:05,051 INFO L158 Benchmark]: RCFGBuilder took 85391.63ms. Allocated memory was 1.1GB in the beginning and 5.4GB in the end (delta: 4.3GB). Free memory was 766.8MB in the beginning and 4.8GB in the end (delta: -4.0GB). Peak memory consumption was 397.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:05,063 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 98.6MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3436.76ms. Allocated memory was 98.6MB in the beginning and 220.2MB in the end (delta: 121.6MB). Free memory was 49.3MB in the beginning and 85.4MB in the end (delta: -36.1MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2381.79ms. Allocated memory was 220.2MB in the beginning and 1.1GB in the end (delta: 847.2MB). Free memory was 85.4MB in the beginning and 830.9MB in the end (delta: -745.5MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1704.13ms. Allocated memory is still 1.1GB. Free memory was 830.9MB in the beginning and 766.8MB in the end (delta: 64.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * RCFGBuilder took 85391.63ms. Allocated memory was 1.1GB in the beginning and 5.4GB in the end (delta: 4.3GB). Free memory was 766.8MB in the beginning and 4.8GB in the end (delta: -4.0GB). Peak memory consumption was 397.4MB. 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 15:33:05,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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 59e3e46f44c4af6b4c125f352948304d54499979006c079b47d74ff56c39a104 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:08,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:08,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:08,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:08,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:08,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:08,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:08,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:08,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:08,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:08,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:08,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:08,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:08,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:08,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:08,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:08,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:08,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:08,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:08,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:08,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:08,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:08,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:08,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:08,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:08,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:08,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:08,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:08,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:08,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:08,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:08,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:08,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:08,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:08,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:08,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:08,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:08,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:08,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:08,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:08,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:08,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:08,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:08,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:08,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:08,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:08,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:08,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:08,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:08,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:08,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:08,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:08,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:08,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:08,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:08,260 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:08,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:08,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:08,261 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:08,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:08,261 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:08,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:08,262 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:08,262 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:08,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:08,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:08,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:08,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:08,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:08,264 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:08,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:08,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:08,265 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:08,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:08,265 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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59e3e46f44c4af6b4c125f352948304d54499979006c079b47d74ff56c39a104 [2021-11-23 15:33:08,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:08,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:08,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:08,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:08,852 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:08,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c [2021-11-23 15:33:08,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/56a2a4c64/e14d0ea9a7df4f43938268263c4ceb82/FLAG0ff4c87ce [2021-11-23 15:33:09,938 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:09,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c [2021-11-23 15:33:09,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/56a2a4c64/e14d0ea9a7df4f43938268263c4ceb82/FLAG0ff4c87ce [2021-11-23 15:33:10,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/data/56a2a4c64/e14d0ea9a7df4f43938268263c4ceb82 [2021-11-23 15:33:10,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:10,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:10,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:10,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:10,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:10,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:10" (1/1) ... [2021-11-23 15:33:10,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e898a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:10, skipping insertion in model container [2021-11-23 15:33:10,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:10" (1/1) ... [2021-11-23 15:33:10,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:10,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:11,112 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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c[1673,1686] [2021-11-23 15:33:12,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:12,812 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:12,846 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_c8af847f-8bac-4cd6-a24a-f9f551ee2773/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c[1673,1686] [2021-11-23 15:33:14,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:14,541 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:14,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14 WrapperNode [2021-11-23 15:33:14,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:14,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:14,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:14,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:14,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:15,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:16,675 INFO L137 Inliner]: procedures = 60, calls = 17866, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 39400 [2021-11-23 15:33:16,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:16,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:16,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:16,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:16,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:16,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:17,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:17,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:18,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:18,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:18,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:18,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:18,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:18,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:18,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:18,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:14" (1/1) ... [2021-11-23 15:33:18,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:18,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:18,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:18,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:33:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:33:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:33:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:33:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:33:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:33:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:33:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:33:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:33:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:33:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:33:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:33:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:33:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:33:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:33:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:33:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:33:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:33:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:33:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:33:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:33:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:33:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:33:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:33:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:33:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:33:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:33:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:33:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:33:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:33:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:33:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:33:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:33:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:33:21,260 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:21,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:27,081 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:27,875 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 15:38:27,884 INFO L158 Benchmark]: Toolchain (without parser) took 317535.79ms. Allocated memory was 58.7MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 29.5MB in the beginning and 4.1GB in the end (delta: -4.1GB). Peak memory consumption was 697.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:27,885 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:27,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4195.54ms. Allocated memory was 58.7MB in the beginning and 260.0MB in the end (delta: 201.3MB). Free memory was 29.4MB in the beginning and 120.0MB in the end (delta: -90.6MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. [2021-11-23 15:38:27,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 2131.90ms. Allocated memory was 260.0MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 120.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. [2021-11-23 15:38:27,889 INFO L158 Benchmark]: Boogie Preprocessor took 1812.96ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.4GB in the end (delta: 100.7MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:27,890 INFO L158 Benchmark]: RCFGBuilder took 309388.74ms. Allocated memory was 1.8GB in the beginning and 4.6GB in the end (delta: 2.8GB). Free memory was 1.4GB in the beginning and 4.1GB in the end (delta: -2.7GB). Peak memory consumption was 390.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:27,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4195.54ms. Allocated memory was 58.7MB in the beginning and 260.0MB in the end (delta: 201.3MB). Free memory was 29.4MB in the beginning and 120.0MB in the end (delta: -90.6MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2131.90ms. Allocated memory was 260.0MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 120.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1812.96ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.4GB in the end (delta: 100.7MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * RCFGBuilder took 309388.74ms. Allocated memory was 1.8GB in the beginning and 4.6GB in the end (delta: 2.8GB). Free memory was 1.4GB in the beginning and 4.1GB in the end (delta: -2.7GB). Peak memory consumption was 390.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:38:28,136 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-11-23 15:38:28,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8af847f-8bac-4cd6-a24a-f9f551ee2773/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable