./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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 eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:48,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:48,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:48,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:48,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:48,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:48,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:48,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:48,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:48,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:48,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:48,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:48,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:48,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:48,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:48,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:48,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:48,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:48,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:48,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:48,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:48,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:48,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:48,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:48,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:48,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:48,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:48,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:48,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:48,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:48,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:48,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:48,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:48,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:48,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:48,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:48,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:48,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:48,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:48,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:48,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:48,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:45:49,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:49,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:49,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:49,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:49,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:49,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:49,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:49,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:49,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:49,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:49,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:49,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:49,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:49,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:49,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:49,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:49,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:49,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:49,054 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:49,054 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:49,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:49,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:49,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:49,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:49,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:49,055 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:49,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:49,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:49,056 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f [2021-11-23 15:45:49,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:49,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:49,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:49,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:49,333 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:49,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2021-11-23 15:45:49,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/2a3347ab5/dd7e52cecb4840639928383c3f8e50a3/FLAG101beb071 [2021-11-23 15:45:49,915 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:49,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2021-11-23 15:45:49,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/2a3347ab5/dd7e52cecb4840639928383c3f8e50a3/FLAG101beb071 [2021-11-23 15:45:50,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/2a3347ab5/dd7e52cecb4840639928383c3f8e50a3 [2021-11-23 15:45:50,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:50,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:50,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:50,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:50,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:50,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e6191b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50, skipping insertion in model container [2021-11-23 15:45:50,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:50,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:50,492 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2021-11-23 15:45:50,546 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2021-11-23 15:45:50,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:50,594 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:50,606 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2021-11-23 15:45:50,624 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2021-11-23 15:45:50,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:50,672 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:50,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50 WrapperNode [2021-11-23 15:45:50,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:50,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:50,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:50,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:50,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,726 INFO L137 Inliner]: procedures = 52, calls = 55, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 476 [2021-11-23 15:45:50,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:50,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:50,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:50,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:50,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:50,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:50,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:50,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:50,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:50,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:50,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:50,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:45:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:45:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:45:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:45:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:45:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:45:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:45:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:45:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:45:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:45:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:45:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:45:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:45:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:45:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:45:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:45:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:45:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:45:50,986 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:50,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:51,635 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:51,671 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 15:45:51,676 INFO L158 Benchmark]: Toolchain (without parser) took 1441.96ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 34.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,677 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:51,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.66ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 64.6MB in the end (delta: -11.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.35ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 61.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,679 INFO L158 Benchmark]: Boogie Preprocessor took 41.63ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 59.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,689 INFO L158 Benchmark]: RCFGBuilder took 904.52ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 34.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.66ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 64.6MB in the end (delta: -11.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.35ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 61.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.63ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 59.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 904.52ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 34.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:45:51,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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 eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:54,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:54,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:54,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:54,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:54,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:54,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:54,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:54,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:54,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:54,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:54,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:54,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:54,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:54,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:54,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:54,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:54,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:54,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:54,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:54,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:54,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:54,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:54,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:54,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:54,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:54,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:54,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:54,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:54,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:54,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:54,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:54,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:54,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:54,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:54,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:54,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:54,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:54,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:54,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:54,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:54,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:54,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:54,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:54,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:54,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:54,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:54,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:54,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:54,515 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:54,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:54,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:54,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:54,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:54,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:54,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:54,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:54,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:54,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:54,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:54,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:54,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:54,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:54,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:54,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:54,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:54,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:54,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:54,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:54,521 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:54,521 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:54,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:54,522 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:54,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:54,522 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f [2021-11-23 15:45:54,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:54,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:54,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:54,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:54,969 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:54,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2021-11-23 15:45:55,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/dd3cb9e44/5c94e3550d504f39b7e15c1f38313f54/FLAG143f7b73e [2021-11-23 15:45:55,662 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:55,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2021-11-23 15:45:55,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/dd3cb9e44/5c94e3550d504f39b7e15c1f38313f54/FLAG143f7b73e [2021-11-23 15:45:55,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/data/dd3cb9e44/5c94e3550d504f39b7e15c1f38313f54 [2021-11-23 15:45:55,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:55,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:55,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:55,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:55,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:55,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:55" (1/1) ... [2021-11-23 15:45:55,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d1010a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:55, skipping insertion in model container [2021-11-23 15:45:55,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:55" (1/1) ... [2021-11-23 15:45:55,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:56,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:56,190 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2021-11-23 15:45:56,235 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2021-11-23 15:45:56,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:56,290 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:56,307 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2021-11-23 15:45:56,348 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_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2021-11-23 15:45:56,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:56,430 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:56,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56 WrapperNode [2021-11-23 15:45:56,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:56,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:56,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:56,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:56,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,528 INFO L137 Inliner]: procedures = 53, calls = 55, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 455 [2021-11-23 15:45:56,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:56,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:56,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:56,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:56,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:56,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:56,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:56,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:56,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:56" (1/1) ... [2021-11-23 15:45:56,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:56,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:56,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:56,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:45:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:45:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:45:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:45:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:45:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:45:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:45:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:45:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:45:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:45:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:45:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:45:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:45:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:45:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:45:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:45:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:45:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:45:56,857 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:56,858 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:57,446 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:57,497 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 15:45:57,505 INFO L158 Benchmark]: Toolchain (without parser) took 1531.83ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.5MB in the beginning and 35.0MB in the end (delta: -8.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,505 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:57,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.78ms. Allocated memory is still 50.3MB. Free memory was 26.3MB in the beginning and 22.5MB in the end (delta: 3.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.63ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 22.5MB in the beginning and 45.5MB in the end (delta: -23.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,508 INFO L158 Benchmark]: Boogie Preprocessor took 85.96ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 43.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,509 INFO L158 Benchmark]: RCFGBuilder took 884.25ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 35.0MB in the end (delta: 7.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.78ms. Allocated memory is still 50.3MB. Free memory was 26.3MB in the beginning and 22.5MB in the end (delta: 3.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.63ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 22.5MB in the beginning and 45.5MB in the end (delta: -23.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.96ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 43.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 884.25ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 35.0MB in the end (delta: 7.8MB). Peak memory consumption was 19.0MB. 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 15:45:57,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8225c7-888e-4130-83ec-cfe1bf3f81b8/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