./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_2.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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:37,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:37,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:37,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:37,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:37,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:37,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:37,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:37,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:37,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:37,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:37,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:37,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:37,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:37,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:37,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:37,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:37,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:37,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:37,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:37,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:37,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:37,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:37,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:37,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:37,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:37,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:37,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:37,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:37,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:37,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:37,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:37,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:37,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:37,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:37,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:37,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:37,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:37,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:37,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:37,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:37,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:37,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:37,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:37,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:37,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:37,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:37,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:37,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:37,328 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:37,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:37,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:37,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:37,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:37,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:37,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:37,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:37,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:37,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:37,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:37,330 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:37,330 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:37,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:37,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:37,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:37,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:37,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:37,331 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:37,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:37,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:37,332 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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de [2021-11-23 15:52:37,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:37,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:37,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:37,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:37,615 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:37,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-11-23 15:52:37,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/4c7c52c3b/d1e9c30964a84c11a5455613d2e9a263/FLAG77e42ee56 [2021-11-23 15:52:38,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:38,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-11-23 15:52:38,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/4c7c52c3b/d1e9c30964a84c11a5455613d2e9a263/FLAG77e42ee56 [2021-11-23 15:52:38,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/4c7c52c3b/d1e9c30964a84c11a5455613d2e9a263 [2021-11-23 15:52:38,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:38,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:38,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:38,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:38,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:38,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e0574f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38, skipping insertion in model container [2021-11-23 15:52:38,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:38,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:38,758 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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[643,656] [2021-11-23 15:52:38,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:38,816 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:38,827 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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[643,656] [2021-11-23 15:52:38,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:38,866 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:38,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38 WrapperNode [2021-11-23 15:52:38,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:38,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:38,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:38,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:38,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,910 INFO L137 Inliner]: procedures = 29, calls = 32, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 188 [2021-11-23 15:52:38,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:38,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:38,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:38,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:38,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:38,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:38,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:38,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:38,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:38,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:38,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:39,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:52:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:52:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:52:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:52:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:52:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:52:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:52:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:52:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:52:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:52:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:52:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:52:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:52:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:52:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:52:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:52:39,163 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:39,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:39,477 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:39,525 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 15:52:39,530 INFO L158 Benchmark]: Toolchain (without parser) took 993.11ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 51.5MB in the end (delta: 5.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,532 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 73.1MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:39,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.88ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 71.3MB in the end (delta: -14.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 69.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,537 INFO L158 Benchmark]: Boogie Preprocessor took 32.90ms. Allocated memory is still 98.6MB. Free memory was 69.3MB in the beginning and 67.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,538 INFO L158 Benchmark]: RCFGBuilder took 583.47ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 51.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 73.1MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.88ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 71.3MB in the end (delta: -14.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 69.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.90ms. Allocated memory is still 98.6MB. Free memory was 69.3MB in the beginning and 67.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.47ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 51.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. 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 15:52:39,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:42,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:42,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:42,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:42,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:42,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:42,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:42,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:42,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:42,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:42,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:42,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:42,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:42,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:42,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:42,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:42,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:42,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:42,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:42,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:42,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:42,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:42,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:42,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:42,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:42,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:42,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:42,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:42,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:42,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:42,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:42,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:42,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:42,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:42,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:42,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:42,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:42,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:42,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:42,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:42,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:42,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:42,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:42,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:42,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:42,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:42,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:42,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:42,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:42,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:42,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:42,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:42,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:42,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:42,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:42,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:42,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:42,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:42,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:42,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:42,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:42,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:42,169 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:42,170 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:42,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:42,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:42,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:42,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:42,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:42,171 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:42,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:42,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:42,172 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:42,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:42,172 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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de [2021-11-23 15:52:42,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:42,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:42,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:42,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:42,589 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:42,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-11-23 15:52:42,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/e0ef723f1/b7cf936873c042b39596fe44c0d4fd4b/FLAG329d802bd [2021-11-23 15:52:43,292 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:43,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-11-23 15:52:43,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/e0ef723f1/b7cf936873c042b39596fe44c0d4fd4b/FLAG329d802bd [2021-11-23 15:52:43,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/data/e0ef723f1/b7cf936873c042b39596fe44c0d4fd4b [2021-11-23 15:52:43,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:43,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:43,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:43,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:43,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:43,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1884af69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43, skipping insertion in model container [2021-11-23 15:52:43,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:43,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:43,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:43,796 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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[643,656] [2021-11-23 15:52:43,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:43,889 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:43,910 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_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[643,656] [2021-11-23 15:52:43,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:43,981 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:43,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43 WrapperNode [2021-11-23 15:52:43,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:43,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:43,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:43,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:44,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,043 INFO L137 Inliner]: procedures = 29, calls = 32, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 182 [2021-11-23 15:52:44,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:44,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:44,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:44,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:44,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:44,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:44,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:44,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:44,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:43" (1/1) ... [2021-11-23 15:52:44,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:44,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:44,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:52:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:52:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:52:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:52:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:52:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:52:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:52:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:52:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:52:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:52:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:52:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:52:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:52:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:52:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:52:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:52:44,301 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:44,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:44,723 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:44,787 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 15:52:44,794 INFO L158 Benchmark]: Toolchain (without parser) took 1162.17ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 49.4MB in the end (delta: -601.2kB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,795 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:44,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.12ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 50.8MB in the end (delta: -2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.06ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 48.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,799 INFO L158 Benchmark]: Boogie Preprocessor took 81.87ms. Allocated memory is still 69.2MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:44,800 INFO L158 Benchmark]: RCFGBuilder took 664.85ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 49.4MB in the end (delta: -2.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:44,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.12ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 50.8MB in the end (delta: -2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.06ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 48.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.87ms. Allocated memory is still 69.2MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 664.85ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 49.4MB in the end (delta: -2.3MB). Peak memory consumption was 21.0MB. 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 15:52:44,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4cc3ed0-337f-486a-aceb-7c41c90c3e61/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