./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-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_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/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_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/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_f50f3981-fd3c-4adf-8487-e4155609dd19/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 c8331ae1a542eb033e77244b050255025a53bdff6172fe7667dd71867965088c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:45,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:45,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:45,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:45,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:45,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:45,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:45,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:45,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:45,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:45,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:45,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:45,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:45,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:45,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:45,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:45,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:45,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:45,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:45,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:45,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:45,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:45,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:45,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:45,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:45,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:45,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:45,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:45,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:45,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:45,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:45,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:45,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:45,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:45,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:45,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:45,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:45,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:45,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:45,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:45,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:45,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:45,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:45,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:45,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:45,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:45,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:45,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:45,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:45,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:45,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:45,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:45,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:45,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:45,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:45,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:45,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:45,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:45,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:45,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:45,428 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:45,428 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:45,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:45,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:45,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:45,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:45,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:45,430 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:45,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:45,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:45,431 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_f50f3981-fd3c-4adf-8487-e4155609dd19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8331ae1a542eb033e77244b050255025a53bdff6172fe7667dd71867965088c [2021-11-23 15:03:45,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:45,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:45,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:45,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:45,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:45,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c [2021-11-23 15:03:45,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/980421966/d4b473d898894629b20bedb84f40599d/FLAG4d92f2e1d [2021-11-23 15:03:46,420 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:46,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c [2021-11-23 15:03:46,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/980421966/d4b473d898894629b20bedb84f40599d/FLAG4d92f2e1d [2021-11-23 15:03:46,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/980421966/d4b473d898894629b20bedb84f40599d [2021-11-23 15:03:46,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:46,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:46,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:46,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:46,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:46,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:46" (1/1) ... [2021-11-23 15:03:46,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe1e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:46, skipping insertion in model container [2021-11-23 15:03:46,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:46" (1/1) ... [2021-11-23 15:03:46,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:46,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:47,047 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[911,924] [2021-11-23 15:03:47,107 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[8416,8429] [2021-11-23 15:03:47,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:47,214 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:47,226 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[911,924] [2021-11-23 15:03:47,247 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[8416,8429] [2021-11-23 15:03:47,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:47,384 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:47,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47 WrapperNode [2021-11-23 15:03:47,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:47,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:47,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:47,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:47,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,476 INFO L137 Inliner]: procedures = 77, calls = 94, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 1020 [2021-11-23 15:03:47,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:47,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:47,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:47,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:47,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:47,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:47,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:47,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:47,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:47" (1/1) ... [2021-11-23 15:03:47,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:47,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:47,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:47,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:03:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:03:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:03:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:03:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:03:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:03:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:03:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:03:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:03:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:03:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:03:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:03:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:03:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:03:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:03:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:03:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:03:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:03:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:03:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:03:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:03:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:03:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:03:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:03:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:03:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:03:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:03:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:03:47,853 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:47,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:48,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:03:48,699 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:03:48,782 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:48,855 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:03:48,859 INFO L158 Benchmark]: Toolchain (without parser) took 2112.43ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 61.4MB in the beginning and 51.5MB in the end (delta: 9.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:48,860 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:48,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.23ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 61.3MB in the beginning and 66.0MB in the end (delta: -4.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:48,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.56ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 60.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:48,863 INFO L158 Benchmark]: Boogie Preprocessor took 118.28ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 56.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:48,864 INFO L158 Benchmark]: RCFGBuilder took 1253.85ms. Allocated memory is still 109.1MB. Free memory was 56.7MB in the beginning and 51.5MB in the end (delta: 5.2MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:48,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.23ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 61.3MB in the beginning and 66.0MB in the end (delta: -4.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.56ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 60.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.28ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 56.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1253.85ms. Allocated memory is still 109.1MB. Free memory was 56.7MB in the beginning and 51.5MB in the end (delta: 5.2MB). Peak memory consumption was 32.2MB. 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 15:03:48,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/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 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_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/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_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/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_f50f3981-fd3c-4adf-8487-e4155609dd19/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 c8331ae1a542eb033e77244b050255025a53bdff6172fe7667dd71867965088c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:51,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:51,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:51,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:51,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:51,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:51,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:51,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:51,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:51,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:51,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:51,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:51,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:51,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:51,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:51,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:51,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:51,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:51,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:51,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:51,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:51,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:51,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:51,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:51,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:51,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:51,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:51,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:51,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:51,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:51,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:51,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:51,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:51,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:51,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:51,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:51,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:51,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:51,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:51,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:51,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:51,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:51,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:51,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:51,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:51,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:51,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:51,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:51,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:51,409 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:51,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:51,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:51,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:51,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:51,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:51,411 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:51,411 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:51,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:51,412 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:51,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:51,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:51,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:51,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:51,413 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:51,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:51,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:51,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:51,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:51,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:51,414 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:51,414 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:51,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:51,414 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:51,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:51,415 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_f50f3981-fd3c-4adf-8487-e4155609dd19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8331ae1a542eb033e77244b050255025a53bdff6172fe7667dd71867965088c [2021-11-23 15:03:51,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:51,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:51,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:51,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:51,846 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:51,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c [2021-11-23 15:03:51,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/67187098c/7c59d4c9f61d4674bfa54e06efd7222e/FLAG6a884c2b7 [2021-11-23 15:03:52,569 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:52,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c [2021-11-23 15:03:52,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/67187098c/7c59d4c9f61d4674bfa54e06efd7222e/FLAG6a884c2b7 [2021-11-23 15:03:52,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/data/67187098c/7c59d4c9f61d4674bfa54e06efd7222e [2021-11-23 15:03:52,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:52,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:52,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:52,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:52,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:52,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:52" (1/1) ... [2021-11-23 15:03:52,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ec6ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:52, skipping insertion in model container [2021-11-23 15:03:52,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:52" (1/1) ... [2021-11-23 15:03:52,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:52,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:53,068 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[911,924] [2021-11-23 15:03:53,200 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[8416,8429] [2021-11-23 15:03:53,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:53,383 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:53,394 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[911,924] [2021-11-23 15:03:53,414 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_f50f3981-fd3c-4adf-8487-e4155609dd19/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-2.c[8416,8429] [2021-11-23 15:03:53,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:53,507 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:53,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53 WrapperNode [2021-11-23 15:03:53,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:53,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:53,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:53,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:53,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,597 INFO L137 Inliner]: procedures = 78, calls = 94, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 982 [2021-11-23 15:03:53,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:53,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:53,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:53,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:53,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:53,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:53,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:53,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:53,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:53,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:53,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:03:53,798 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:03:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:03:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:03:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:03:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:03:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:03:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:03:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:03:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:03:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:03:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:03:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:03:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:03:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:03:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:03:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:03:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:03:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:03:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:03:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:03:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:03:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:03:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:03:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:03:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:03:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:03:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:03:54,038 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:54,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:54,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:03:54,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:03:55,042 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:55,100 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:03:55,104 INFO L158 Benchmark]: Toolchain (without parser) took 2293.37ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.3MB in the beginning and 56.6MB in the end (delta: -13.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:55,105 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:55,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.76ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 32.9MB in the end (delta: 10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:55,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.30ms. Allocated memory is still 65.0MB. Free memory was 32.9MB in the beginning and 28.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:55,107 INFO L158 Benchmark]: Boogie Preprocessor took 101.69ms. Allocated memory is still 65.0MB. Free memory was 28.4MB in the beginning and 44.0MB in the end (delta: -15.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:55,108 INFO L158 Benchmark]: RCFGBuilder took 1401.58ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 44.0MB in the beginning and 56.6MB in the end (delta: -12.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:55,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.76ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 32.9MB in the end (delta: 10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.30ms. Allocated memory is still 65.0MB. Free memory was 32.9MB in the beginning and 28.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.69ms. Allocated memory is still 65.0MB. Free memory was 28.4MB in the beginning and 44.0MB in the end (delta: -15.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1401.58ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 44.0MB in the beginning and 56.6MB in the end (delta: -12.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:55,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f3981-fd3c-4adf-8487-e4155609dd19/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