./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:33,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:33,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:33,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:33,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:33,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:33,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:33,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:33,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:33,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:33,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:33,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:33,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:33,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:33,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:33,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:33,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:33,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:33,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:33,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:33,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:33,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:33,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:33,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:33,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:33,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:33,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:33,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:33,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:33,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:33,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:33,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:33,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:33,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:33,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:33,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:33,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:33,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:33,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:33,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:33,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:33,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:33,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:33,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:33,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:33,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:33,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:33,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:33,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:33,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:33,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:33,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:33,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:33,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:33,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:33,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:33,421 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:33,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:33,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:33,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:33,422 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:33,422 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:33,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:33,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:33,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:33,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:33,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:33,424 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:33,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:33,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:33,424 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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 [2021-11-23 15:01:33,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:33,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:33,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:33,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:33,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:33,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2021-11-23 15:01:33,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/fabd4ad1f/b1b8b9bb67fb4e03ac611c5f436156fe/FLAG3f296b9d2 [2021-11-23 15:01:34,267 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:34,267 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2021-11-23 15:01:34,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/fabd4ad1f/b1b8b9bb67fb4e03ac611c5f436156fe/FLAG3f296b9d2 [2021-11-23 15:01:34,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/fabd4ad1f/b1b8b9bb67fb4e03ac611c5f436156fe [2021-11-23 15:01:34,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:34,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:34,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:34,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:34,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:34,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:34" (1/1) ... [2021-11-23 15:01:34,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a697ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:34, skipping insertion in model container [2021-11-23 15:01:34,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:34" (1/1) ... [2021-11-23 15:01:34,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:34,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:34,907 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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c[640,653] [2021-11-23 15:01:35,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:35,024 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:35,042 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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c[640,653] [2021-11-23 15:01:35,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:35,125 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:35,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35 WrapperNode [2021-11-23 15:01:35,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:35,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:35,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:35,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:35,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,186 INFO L137 Inliner]: procedures = 31, calls = 35, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 225 [2021-11-23 15:01:35,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:35,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:35,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:35,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:35,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:35,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:35,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:35,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:35,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:35" (1/1) ... [2021-11-23 15:01:35,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:35,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:35,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:35,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:01:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:01:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:01:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:01:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:01:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:01:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:01:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:01:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:01:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:01:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:01:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:01:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:01:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:01:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:01:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:01:35,406 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:35,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:35,693 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(1 == ~q_free~0); [2021-11-23 15:01:35,693 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:01:35,716 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:35,777 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:01:35,781 INFO L158 Benchmark]: Toolchain (without parser) took 1132.15ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 69.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 15:01:35,782 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:35,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.09ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 91.1MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:35,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.82ms. Allocated memory is still 119.5MB. Free memory was 91.1MB in the beginning and 89.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:35,784 INFO L158 Benchmark]: Boogie Preprocessor took 36.10ms. Allocated memory is still 119.5MB. Free memory was 89.3MB in the beginning and 87.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:35,785 INFO L158 Benchmark]: RCFGBuilder took 554.88ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 69.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:35,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.09ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 91.1MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.82ms. Allocated memory is still 119.5MB. Free memory was 91.1MB in the beginning and 89.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.10ms. Allocated memory is still 119.5MB. Free memory was 89.3MB in the beginning and 87.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.88ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 69.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. 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 15:01:35,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:38,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:38,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:38,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:38,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:38,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:38,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:38,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:38,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:38,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:38,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:38,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:38,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:38,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:38,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:38,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:38,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:38,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:38,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:38,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:38,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:38,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:38,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:38,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:38,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:38,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:38,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:38,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:38,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:38,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:38,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:38,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:38,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:38,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:38,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:38,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:38,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:38,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:38,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:38,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:38,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:38,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:38,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:38,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:38,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:38,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:38,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:38,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:38,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:38,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:38,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:38,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:38,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:38,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:38,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:38,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:38,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:38,472 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:38,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:38,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:38,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:38,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:38,473 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:38,474 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:38,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:38,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:38,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:38,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:38,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:38,475 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:38,475 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:38,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:38,475 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:38,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:38,476 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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 [2021-11-23 15:01:38,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:38,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:38,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:38,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:38,899 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:38,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2021-11-23 15:01:38,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/69fec607f/ab0c5b036ef0452391b2a1d11c573879/FLAG541d46c21 [2021-11-23 15:01:39,511 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:39,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2021-11-23 15:01:39,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/69fec607f/ab0c5b036ef0452391b2a1d11c573879/FLAG541d46c21 [2021-11-23 15:01:39,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/data/69fec607f/ab0c5b036ef0452391b2a1d11c573879 [2021-11-23 15:01:39,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:39,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:39,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:39,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:39,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:39,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:39" (1/1) ... [2021-11-23 15:01:39,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17dd96be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:39, skipping insertion in model container [2021-11-23 15:01:39,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:39" (1/1) ... [2021-11-23 15:01:39,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:39,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:40,037 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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c[640,653] [2021-11-23 15:01:40,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:40,148 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:40,164 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_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c[640,653] [2021-11-23 15:01:40,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:40,237 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:40,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40 WrapperNode [2021-11-23 15:01:40,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:40,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:40,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:40,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:40,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,280 INFO L137 Inliner]: procedures = 31, calls = 35, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 218 [2021-11-23 15:01:40,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:40,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:40,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:40,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:40,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:40,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:40,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:40,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:40,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:40,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:40,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:40,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:01:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:01:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:01:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:01:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:01:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:01:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:01:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:01:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:01:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:01:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:01:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:01:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:01:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:01:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:01:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:01:40,533 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:40,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:40,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(1bv32 == ~q_free~0); [2021-11-23 15:01:40,933 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:01:40,974 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:41,032 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:01:41,039 INFO L158 Benchmark]: Toolchain (without parser) took 1198.59ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 40.3MB in the beginning and 50.8MB in the end (delta: -10.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:41,040 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:41,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.75ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 41.8MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:41,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.12ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 39.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:41,044 INFO L158 Benchmark]: Boogie Preprocessor took 33.48ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:41,045 INFO L158 Benchmark]: RCFGBuilder took 720.84ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 50.8MB in the end (delta: -12.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:41,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.75ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 41.8MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.12ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 39.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.48ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 720.84ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 50.8MB in the end (delta: -12.9MB). Peak memory consumption was 16.9MB. 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 15:01:41,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372cb5e6-37fd-4afb-bfa0-cc3cdeb7d2cb/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