./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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 962bf6173fc6078ce41ca1af220429c7629e07f8a02d3d6059bd9727e276c6a2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:04,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:04,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:04,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:04,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:04,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:04,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:04,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:04,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:04,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:04,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:04,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:04,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:04,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:04,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:04,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:04,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:04,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:04,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:04,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:04,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:04,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:04,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:04,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:04,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:04,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:04,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:04,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:04,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:04,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:04,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:04,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:04,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:04,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:04,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:04,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:04,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:04,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:04,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:04,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:04,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:04,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:04,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:04,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:04,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:04,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:04,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:04,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:04,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:04,623 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:04,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:04,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:04,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:04,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:04,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:04,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:04,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:04,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:04,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:04,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:04,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:04,633 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:04,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:04,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:04,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:04,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:04,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:04,635 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:04,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:04,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:04,636 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962bf6173fc6078ce41ca1af220429c7629e07f8a02d3d6059bd9727e276c6a2 [2021-11-23 15:05:04,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:04,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:04,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:04,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:04,925 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:04,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2021-11-23 15:05:05,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/6b23541d6/066965d5eb234161a5a380585856f970/FLAGf2f04a574 [2021-11-23 15:05:05,551 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:05,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2021-11-23 15:05:05,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/6b23541d6/066965d5eb234161a5a380585856f970/FLAGf2f04a574 [2021-11-23 15:05:05,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/6b23541d6/066965d5eb234161a5a380585856f970 [2021-11-23 15:05:05,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:05,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:05,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:05,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:05,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:05,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c22f7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05, skipping insertion in model container [2021-11-23 15:05:05,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:05,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:06,129 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[913,926] [2021-11-23 15:05:06,176 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[5994,6007] [2021-11-23 15:05:06,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:06,252 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:06,270 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[913,926] [2021-11-23 15:05:06,303 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[5994,6007] [2021-11-23 15:05:06,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:06,337 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:06,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06 WrapperNode [2021-11-23 15:05:06,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:06,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:06,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:06,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:06,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,400 INFO L137 Inliner]: procedures = 50, calls = 52, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 418 [2021-11-23 15:05:06,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:06,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:06,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:06,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:06,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:06,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:06,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:06,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:06,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:06,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:06,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:06,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:05:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:05:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:05:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:05:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:05:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:05:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:05:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:05:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:05:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:05:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:05:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:05:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:05:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:05:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:05:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:05:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:05:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:05:06,654 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:06,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:07,120 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:07,155 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 15:05:07,160 INFO L158 Benchmark]: Toolchain (without parser) took 1278.88ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 52.5MB in the beginning and 82.5MB in the end (delta: -30.0MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,161 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:07,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.79ms. Allocated memory is still 86.0MB. Free memory was 52.2MB in the beginning and 56.9MB in the end (delta: -4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.53ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 54.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,164 INFO L158 Benchmark]: Boogie Preprocessor took 63.61ms. Allocated memory is still 86.0MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,165 INFO L158 Benchmark]: RCFGBuilder took 692.87ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 51.9MB in the beginning and 82.5MB in the end (delta: -30.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.79ms. Allocated memory is still 86.0MB. Free memory was 52.2MB in the beginning and 56.9MB in the end (delta: -4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.53ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 54.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.61ms. Allocated memory is still 86.0MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.87ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 51.9MB in the beginning and 82.5MB in the end (delta: -30.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:07,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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 962bf6173fc6078ce41ca1af220429c7629e07f8a02d3d6059bd9727e276c6a2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:09,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:09,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:09,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:09,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:09,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:09,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:09,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:09,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:09,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:09,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:09,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:09,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:09,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:09,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:09,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:09,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:09,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:09,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:09,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:09,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:09,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:09,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:09,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:09,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:09,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:09,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:09,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:09,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:09,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:09,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:09,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:09,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:09,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:09,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:09,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:09,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:09,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:09,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:09,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:09,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:09,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:09,780 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:09,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:09,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:09,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:09,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:09,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:09,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:09,783 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:09,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:09,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:09,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:09,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:09,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:09,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:09,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:09,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:09,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:09,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:09,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:09,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:09,786 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:09,786 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:09,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:09,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:09,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:09,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:09,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:09,787 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:09,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:09,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:09,788 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:09,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:09,788 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962bf6173fc6078ce41ca1af220429c7629e07f8a02d3d6059bd9727e276c6a2 [2021-11-23 15:05:10,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:10,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:10,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:10,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:10,203 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:10,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2021-11-23 15:05:10,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/339c4ef84/85708e8a807448758b72d3f822659fc5/FLAG3672e9f9b [2021-11-23 15:05:10,921 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:10,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2021-11-23 15:05:10,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/339c4ef84/85708e8a807448758b72d3f822659fc5/FLAG3672e9f9b [2021-11-23 15:05:11,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/data/339c4ef84/85708e8a807448758b72d3f822659fc5 [2021-11-23 15:05:11,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:11,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:11,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:11,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:11,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:11,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e25941d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11, skipping insertion in model container [2021-11-23 15:05:11,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:11,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:11,419 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[913,926] [2021-11-23 15:05:11,486 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[5994,6007] [2021-11-23 15:05:11,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:11,583 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:11,601 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[913,926] [2021-11-23 15:05:11,628 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_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[5994,6007] [2021-11-23 15:05:11,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:11,668 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:11,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11 WrapperNode [2021-11-23 15:05:11,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:11,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:11,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:11,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:11,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,725 INFO L137 Inliner]: procedures = 51, calls = 52, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 399 [2021-11-23 15:05:11,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:11,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:11,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:11,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:11,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:11,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:11,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:11,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:11,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:11,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:11,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:11,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:05:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:05:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:05:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:05:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:05:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:05:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:05:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:05:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:05:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:05:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:05:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:05:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:05:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:05:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:05:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:05:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:05:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:05:12,034 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:12,036 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:12,580 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:12,606 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 15:05:12,610 INFO L158 Benchmark]: Toolchain (without parser) took 1380.18ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 44.5MB in the beginning and 65.0MB in the end (delta: -20.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:12,611 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:12,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.02ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 44.1MB in the end (delta: 157.2kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:12,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.52ms. Allocated memory is still 65.0MB. Free memory was 44.1MB in the beginning and 41.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:12,614 INFO L158 Benchmark]: Boogie Preprocessor took 53.15ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 39.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:12,615 INFO L158 Benchmark]: RCFGBuilder took 828.16ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 39.1MB in the beginning and 65.0MB in the end (delta: -25.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:12,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.02ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 44.1MB in the end (delta: 157.2kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.52ms. Allocated memory is still 65.0MB. Free memory was 44.1MB in the beginning and 41.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.15ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 39.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.16ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 39.1MB in the beginning and 65.0MB in the end (delta: -25.9MB). Peak memory consumption was 14.5MB. 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 15:05:12,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f39e8c-7015-4b37-8c59-b077bfcc8c96/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