./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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 6240875fd021ef86002633b5e6fdfcec4ffcbe681ff045b4f4e341a758fe554a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:39,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:39,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:39,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:39,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:39,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:39,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:39,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:39,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:39,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:39,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:39,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:39,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:39,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:39,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:39,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:39,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:39,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:39,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:39,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:39,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:39,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:39,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:39,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:39,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:39,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:39,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:39,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:39,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:39,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:39,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:39,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:39,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:39,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:39,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:39,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:39,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:39,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:39,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:39,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:39,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:39,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:39,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:39,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:39,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:39,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:39,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:39,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:39,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:39,963 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:39,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:39,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:39,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:39,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:39,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:39,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:39,971 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:39,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:39,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:39,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:39,972 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:39,972 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:39,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:39,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:39,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:39,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:39,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:39,974 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:39,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:39,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:39,974 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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6240875fd021ef86002633b5e6fdfcec4ffcbe681ff045b4f4e341a758fe554a [2021-11-23 15:04:40,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:40,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:40,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:40,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:40,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:40,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c [2021-11-23 15:04:40,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/9d932381d/1f8f45af5c85491dbd312cb294d7f936/FLAG55ae15414 [2021-11-23 15:04:41,235 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:41,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c [2021-11-23 15:04:41,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/9d932381d/1f8f45af5c85491dbd312cb294d7f936/FLAG55ae15414 [2021-11-23 15:04:41,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/9d932381d/1f8f45af5c85491dbd312cb294d7f936 [2021-11-23 15:04:41,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:41,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:41,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:41,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:41,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:41,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56cebaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41, skipping insertion in model container [2021-11-23 15:04:41,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:41,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:42,154 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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2021-11-23 15:04:43,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:43,333 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:43,357 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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2021-11-23 15:04:44,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:44,412 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:44,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44 WrapperNode [2021-11-23 15:04:44,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:44,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:44,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:44,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:44,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:46,496 INFO L137 Inliner]: procedures = 58, calls = 18195, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 39852 [2021-11-23 15:04:46,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:46,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:46,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:46,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:46,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:46,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:46,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:46,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:47,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:48,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:48,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:48,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:48,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:48,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:48,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:48,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:48,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:48,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:48,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:48,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:04:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:04:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:04:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:04:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:04:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:04:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:04:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:04:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:04:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:04:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:04:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:04:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:04:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:04:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:04:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:04:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:04:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:04:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:04:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:04:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:04:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:04:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:04:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:04:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:04:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:04:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:04:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:04:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:04:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:04:50,878 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:50,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:11,341 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:12,022 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 15:06:12,028 INFO L158 Benchmark]: Toolchain (without parser) took 90343.56ms. Allocated memory was 127.9MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 73.0MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 638.8MB. Max. memory is 16.1GB. [2021-11-23 15:06:12,030 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 98.8MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:12,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2726.51ms. Allocated memory was 127.9MB in the beginning and 247.5MB in the end (delta: 119.5MB). Free memory was 72.7MB in the beginning and 105.2MB in the end (delta: -32.5MB). Peak memory consumption was 134.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:12,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 2082.60ms. Allocated memory was 247.5MB in the beginning and 494.9MB in the end (delta: 247.5MB). Free memory was 105.2MB in the beginning and 257.2MB in the end (delta: -152.0MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:12,034 INFO L158 Benchmark]: Boogie Preprocessor took 1923.10ms. Allocated memory was 494.9MB in the beginning and 1.4GB in the end (delta: 876.6MB). Free memory was 257.2MB in the beginning and 1.0GB in the end (delta: -789.6MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:12,036 INFO L158 Benchmark]: RCFGBuilder took 83604.02ms. Allocated memory was 1.4GB in the beginning and 2.8GB in the end (delta: 1.5GB). Free memory was 1.0GB in the beginning and 2.2GB in the end (delta: -1.1GB). Peak memory consumption was 372.2MB. Max. memory is 16.1GB. [2021-11-23 15:06:12,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 98.8MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2726.51ms. Allocated memory was 127.9MB in the beginning and 247.5MB in the end (delta: 119.5MB). Free memory was 72.7MB in the beginning and 105.2MB in the end (delta: -32.5MB). Peak memory consumption was 134.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2082.60ms. Allocated memory was 247.5MB in the beginning and 494.9MB in the end (delta: 247.5MB). Free memory was 105.2MB in the beginning and 257.2MB in the end (delta: -152.0MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1923.10ms. Allocated memory was 494.9MB in the beginning and 1.4GB in the end (delta: 876.6MB). Free memory was 257.2MB in the beginning and 1.0GB in the end (delta: -789.6MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * RCFGBuilder took 83604.02ms. Allocated memory was 1.4GB in the beginning and 2.8GB in the end (delta: 1.5GB). Free memory was 1.0GB in the beginning and 2.2GB in the end (delta: -1.1GB). Peak memory consumption was 372.2MB. 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 15:06:12,268 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-11-23 15:06:12,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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 6240875fd021ef86002633b5e6fdfcec4ffcbe681ff045b4f4e341a758fe554a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:14,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:14,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:14,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:14,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:14,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:14,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:14,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:14,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:14,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:14,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:14,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:14,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:14,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:14,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:14,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:14,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:14,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:14,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:14,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:14,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:14,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:14,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:14,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:14,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:14,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:14,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:14,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:14,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:14,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:14,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:14,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:14,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:14,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:14,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:14,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:14,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:14,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:14,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:14,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:14,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:14,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:14,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:14,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:14,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:14,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:14,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:14,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:14,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:14,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:14,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:14,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:14,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:14,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:14,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:14,721 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:14,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:14,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:14,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:14,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:14,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:14,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:14,722 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:14,722 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:14,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:14,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:14,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:14,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:14,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:14,724 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:14,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:14,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:14,724 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:14,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:14,725 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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6240875fd021ef86002633b5e6fdfcec4ffcbe681ff045b4f4e341a758fe554a [2021-11-23 15:06:15,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:15,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:15,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:15,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:15,168 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:15,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c [2021-11-23 15:06:15,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/cc7745484/c9d410f8bcdc488c9d3cb08234320eb2/FLAG244b8d881 [2021-11-23 15:06:16,266 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:16,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c [2021-11-23 15:06:16,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/cc7745484/c9d410f8bcdc488c9d3cb08234320eb2/FLAG244b8d881 [2021-11-23 15:06:16,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/data/cc7745484/c9d410f8bcdc488c9d3cb08234320eb2 [2021-11-23 15:06:16,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:16,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:16,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:16,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:16,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:16,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:16" (1/1) ... [2021-11-23 15:06:16,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7a14ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:16, skipping insertion in model container [2021-11-23 15:06:16,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:16" (1/1) ... [2021-11-23 15:06:16,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:16,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:17,245 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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2021-11-23 15:06:18,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:18,628 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:18,654 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_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2021-11-23 15:06:19,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:19,947 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:19,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19 WrapperNode [2021-11-23 15:06:19,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:19,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:19,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:19,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:19,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:20,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:22,043 INFO L137 Inliner]: procedures = 61, calls = 18195, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 39849 [2021-11-23 15:06:22,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:22,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:22,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:22,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:22,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:22,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:22,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:22,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:23,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:23,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:23,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:23,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:23,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:23,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:23,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:23,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:23,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:23,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:23,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:23,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:06:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:06:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:06:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:06:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:06:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:06:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:06:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:06:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:06:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:06:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:06:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:06:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:06:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:06:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:06:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:06:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:06:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:06:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:06:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:06:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:06:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:06:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:06:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:06:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:06:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:06:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:06:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:06:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:06:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:06:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:06:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:06:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:06:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:06:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:06:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:06:25,832 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:25,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:09:06,787 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:09:07,586 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 15:09:07,594 INFO L158 Benchmark]: Toolchain (without parser) took 170946.56ms. Allocated memory was 60.8MB in the beginning and 7.3GB in the end (delta: 7.3GB). Free memory was 35.0MB in the beginning and 6.6GB in the end (delta: -6.6GB). Peak memory consumption was 759.9MB. Max. memory is 16.1GB. [2021-11-23 15:09:07,595 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:09:07,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3302.97ms. Allocated memory was 60.8MB in the beginning and 293.6MB in the end (delta: 232.8MB). Free memory was 34.7MB in the beginning and 137.0MB in the end (delta: -102.2MB). Peak memory consumption was 170.2MB. Max. memory is 16.1GB. [2021-11-23 15:09:07,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 2094.38ms. Allocated memory was 293.6MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 137.0MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. [2021-11-23 15:09:07,598 INFO L158 Benchmark]: Boogie Preprocessor took 1475.04ms. Allocated memory is still 2.6GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 119.5MB). Peak memory consumption was 156.2MB. Max. memory is 16.1GB. [2021-11-23 15:09:07,599 INFO L158 Benchmark]: RCFGBuilder took 164069.04ms. Allocated memory was 2.6GB in the beginning and 7.3GB in the end (delta: 4.7GB). Free memory was 2.3GB in the beginning and 6.6GB in the end (delta: -4.3GB). Peak memory consumption was 437.3MB. Max. memory is 16.1GB. [2021-11-23 15:09:07,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3302.97ms. Allocated memory was 60.8MB in the beginning and 293.6MB in the end (delta: 232.8MB). Free memory was 34.7MB in the beginning and 137.0MB in the end (delta: -102.2MB). Peak memory consumption was 170.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2094.38ms. Allocated memory was 293.6MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 137.0MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1475.04ms. Allocated memory is still 2.6GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 119.5MB). Peak memory consumption was 156.2MB. Max. memory is 16.1GB. * RCFGBuilder took 164069.04ms. Allocated memory was 2.6GB in the beginning and 7.3GB in the end (delta: 4.7GB). Free memory was 2.3GB in the beginning and 6.6GB in the end (delta: -4.3GB). Peak memory consumption was 437.3MB. 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 15:09:07,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fda48ff7-0f2f-46d7-a9a7-f93eb9f645ca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable