./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.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_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/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_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/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_f15d51bb-5950-4d1d-bebf-2d80d622504b/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 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:20,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:20,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:20,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:20,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:20,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:20,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:20,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:20,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:20,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:20,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:20,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:20,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:20,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:20,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:20,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:20,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:20,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:20,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:20,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:20,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:20,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:20,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:20,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:20,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:20,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:20,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:20,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:20,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:20,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:20,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:20,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:20,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:21,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:21,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:21,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:21,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:21,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:21,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:21,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:21,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:21,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:06:21,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:21,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:21,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:21,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:21,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:21,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:21,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:21,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:21,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:21,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:21,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:21,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:21,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:21,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:21,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:21,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:21,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:21,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:21,043 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:21,048 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:21,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:21,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:21,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:21,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:21,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:21,049 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:21,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:21,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:21,050 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_f15d51bb-5950-4d1d-bebf-2d80d622504b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 [2021-11-23 15:06:21,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:21,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:21,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:21,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:21,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:21,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2021-11-23 15:06:21,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/101d8445e/bd2f8417fe8642ca82011679cd5c5c62/FLAGe622f9504 [2021-11-23 15:06:22,410 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:22,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2021-11-23 15:06:22,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/101d8445e/bd2f8417fe8642ca82011679cd5c5c62/FLAGe622f9504 [2021-11-23 15:06:22,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/101d8445e/bd2f8417fe8642ca82011679cd5c5c62 [2021-11-23 15:06:22,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:22,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:22,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:22,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:22,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:22,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:22" (1/1) ... [2021-11-23 15:06:22,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64366151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:22, skipping insertion in model container [2021-11-23 15:06:22,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:22" (1/1) ... [2021-11-23 15:06:22,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:22,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:22,888 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_f15d51bb-5950-4d1d-bebf-2d80d622504b/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2021-11-23 15:06:23,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:23,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:23,376 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_f15d51bb-5950-4d1d-bebf-2d80d622504b/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2021-11-23 15:06:23,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:23,685 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:23,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23 WrapperNode [2021-11-23 15:06:23,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:23,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:23,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:23,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:23,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,117 INFO L137 Inliner]: procedures = 55, calls = 2046, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 3968 [2021-11-23 15:06:24,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:24,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:24,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:24,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:24,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:24,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:24,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:24,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:24,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:24,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:24,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:24,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:06:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:06:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:06:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:06:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:06:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:06:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:06:24,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:06:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:06:24,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:06:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:06:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:06:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:06:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:06:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:06:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:06:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:06:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:06:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:06:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2021-11-23 15:06:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2021-11-23 15:06:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:06:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:06:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:06:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:06:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:06:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:06:24,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:06:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:24,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:06:24,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:06:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:06:24,515 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:06:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:06:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:06:25,191 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:25,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:49,611 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:49,717 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 15:06:49,722 INFO L158 Benchmark]: Toolchain (without parser) took 27174.68ms. Allocated memory was 148.9MB in the beginning and 232.8MB in the end (delta: 83.9MB). Free memory was 112.0MB in the beginning and 81.1MB in the end (delta: 31.0MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2021-11-23 15:06:49,756 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:49,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.32ms. Allocated memory is still 148.9MB. Free memory was 111.7MB in the beginning and 107.1MB in the end (delta: 4.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-23 15:06:49,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 431.32ms. Allocated memory is still 148.9MB. Free memory was 107.1MB in the beginning and 99.8MB in the end (delta: 7.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:49,758 INFO L158 Benchmark]: Boogie Preprocessor took 282.35ms. Allocated memory is still 148.9MB. Free memory was 99.8MB in the beginning and 79.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:49,759 INFO L158 Benchmark]: RCFGBuilder took 25316.40ms. Allocated memory was 148.9MB in the beginning and 232.8MB in the end (delta: 83.9MB). Free memory was 79.5MB in the beginning and 81.1MB in the end (delta: -1.6MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:49,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.32ms. Allocated memory is still 148.9MB. Free memory was 111.7MB in the beginning and 107.1MB in the end (delta: 4.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 431.32ms. Allocated memory is still 148.9MB. Free memory was 107.1MB in the beginning and 99.8MB in the end (delta: 7.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 282.35ms. Allocated memory is still 148.9MB. Free memory was 99.8MB in the beginning and 79.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 25316.40ms. Allocated memory was 148.9MB in the beginning and 232.8MB in the end (delta: 83.9MB). Free memory was 79.5MB in the beginning and 81.1MB in the end (delta: -1.6MB). Peak memory consumption was 82.3MB. 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 15:06:49,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/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_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/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_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/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_f15d51bb-5950-4d1d-bebf-2d80d622504b/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 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:52,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:52,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:52,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:52,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:52,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:52,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:52,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:52,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:52,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:52,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:52,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:52,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:52,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:52,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:52,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:52,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:52,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:52,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:52,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:52,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:52,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:52,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:52,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:52,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:52,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:52,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:52,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:52,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:52,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:52,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:52,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:52,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:52,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:52,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:52,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:52,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:52,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:52,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:52,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:52,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:52,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:52,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:52,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:52,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:52,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:52,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:52,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:52,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:52,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:52,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:52,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:52,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:52,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:52,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:52,228 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:52,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:52,229 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:52,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:52,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:52,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:52,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:52,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:52,230 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:52,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:52,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:52,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:52,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:52,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:52,232 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:52,232 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:52,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:52,233 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:52,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:52,233 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_f15d51bb-5950-4d1d-bebf-2d80d622504b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 [2021-11-23 15:06:52,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:52,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:52,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:52,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:52,624 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:52,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2021-11-23 15:06:52,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/914848d89/e32e8eab209442fc954b4b481c149bb3/FLAGa961353bb [2021-11-23 15:06:53,474 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:53,475 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2021-11-23 15:06:53,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/914848d89/e32e8eab209442fc954b4b481c149bb3/FLAGa961353bb [2021-11-23 15:06:53,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/data/914848d89/e32e8eab209442fc954b4b481c149bb3 [2021-11-23 15:06:53,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:53,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:53,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:53,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:53,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:53,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:53" (1/1) ... [2021-11-23 15:06:53,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b80b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:53, skipping insertion in model container [2021-11-23 15:06:53,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:53" (1/1) ... [2021-11-23 15:06:53,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:53,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:54,008 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_f15d51bb-5950-4d1d-bebf-2d80d622504b/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2021-11-23 15:06:54,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:54,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:54,451 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_f15d51bb-5950-4d1d-bebf-2d80d622504b/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2021-11-23 15:06:54,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:54,800 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:54,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54 WrapperNode [2021-11-23 15:06:54,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:54,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:54,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:54,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:54,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:54,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,078 INFO L137 Inliner]: procedures = 58, calls = 2046, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 3965 [2021-11-23 15:06:55,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:55,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:55,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:55,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:55,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:55,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:55,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:55,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:55,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54" (1/1) ... [2021-11-23 15:06:55,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:55,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:55,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:55,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:06:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:06:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:06:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:06:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:06:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:06:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:06:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:06:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:06:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:06:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:06:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:06:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:06:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:06:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:06:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:06:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:06:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:06:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:06:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:06:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:06:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:06:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2021-11-23 15:06:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2021-11-23 15:06:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:06:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:06:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:06:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:06:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:06:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:06:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:06:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:06:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:06:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:06:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:06:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:06:56,061 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:56,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:07:37,340 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:07:37,484 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 15:07:37,492 INFO L158 Benchmark]: Toolchain (without parser) took 43823.98ms. Allocated memory was 62.9MB in the beginning and 132.1MB in the end (delta: 69.2MB). Free memory was 40.4MB in the beginning and 61.4MB in the end (delta: -21.0MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2021-11-23 15:07:37,493 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:07:37,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1131.89ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 42.5MB in the end (delta: -2.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-23 15:07:37,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 276.13ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 38.2MB in the end (delta: 3.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-23 15:07:37,496 INFO L158 Benchmark]: Boogie Preprocessor took 282.59ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 38.2MB in the beginning and 78.2MB in the end (delta: -40.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-23 15:07:37,497 INFO L158 Benchmark]: RCFGBuilder took 42125.13ms. Allocated memory is still 132.1MB. Free memory was 78.2MB in the beginning and 61.4MB in the end (delta: 16.9MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-11-23 15:07:37,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1131.89ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 42.5MB in the end (delta: -2.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 276.13ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 38.2MB in the end (delta: 3.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 282.59ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 38.2MB in the beginning and 78.2MB in the end (delta: -40.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * RCFGBuilder took 42125.13ms. Allocated memory is still 132.1MB. Free memory was 78.2MB in the beginning and 61.4MB in the end (delta: 16.9MB). Peak memory consumption was 42.2MB. 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 15:07:37,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15d51bb-5950-4d1d-bebf-2d80d622504b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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