./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.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_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/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_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/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_f085d105-c354-4908-92ed-056b9d4fb2ce/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 01a21536345230b7194ff5017879c469eb8be909ba72352bb81feb2f101a934f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:17,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:17,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:17,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:17,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:17,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:17,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:17,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:17,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:17,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:17,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:17,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:17,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:17,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:17,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:17,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:17,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:17,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:17,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:17,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:17,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:17,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:17,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:17,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:17,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:17,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:17,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:17,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:17,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:17,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:17,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:17,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:17,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:17,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:17,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:17,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:17,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:17,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:17,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:17,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:17,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:17,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:17,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:17,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:17,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:17,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:17,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:17,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:17,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:17,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:17,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:17,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:17,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:17,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:17,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:17,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:17,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:17,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:17,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:17,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:17,702 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:17,702 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:17,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:17,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:17,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:17,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:17,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:17,703 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:17,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:17,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:17,704 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_f085d105-c354-4908-92ed-056b9d4fb2ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01a21536345230b7194ff5017879c469eb8be909ba72352bb81feb2f101a934f [2021-11-23 15:04:17,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:17,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:17,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:17,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:17,989 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:17,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2021-11-23 15:04:18,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/a561b1146/86e39dd5f96f41a5b25845c16117504a/FLAG1a929d6f1 [2021-11-23 15:04:18,645 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:18,646 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2021-11-23 15:04:18,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/a561b1146/86e39dd5f96f41a5b25845c16117504a/FLAG1a929d6f1 [2021-11-23 15:04:18,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/a561b1146/86e39dd5f96f41a5b25845c16117504a [2021-11-23 15:04:18,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:18,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:18,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:18,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:18,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:19,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:18" (1/1) ... [2021-11-23 15:04:19,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f66bee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19, skipping insertion in model container [2021-11-23 15:04:19,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:18" (1/1) ... [2021-11-23 15:04:19,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:19,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:19,277 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_f085d105-c354-4908-92ed-056b9d4fb2ce/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c[14684,14697] [2021-11-23 15:04:19,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:19,288 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:19,352 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_f085d105-c354-4908-92ed-056b9d4fb2ce/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c[14684,14697] [2021-11-23 15:04:19,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:19,369 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:19,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19 WrapperNode [2021-11-23 15:04:19,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:19,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:19,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:19,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:19,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,430 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 535 [2021-11-23 15:04:19,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:19,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:19,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:19,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:19,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:19,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:19,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:19,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:19,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:19" (1/1) ... [2021-11-23 15:04:19,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:19,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:19,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:19,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:04:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:04:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:04:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:04:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:04:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:04:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:04:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:04:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:04:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:04:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:04:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:04:19,769 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:19,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:20,312 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:20,372 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 15:04:20,376 INFO L158 Benchmark]: Toolchain (without parser) took 1400.57ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 69.4MB in the end (delta: 8.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:20,377 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:20,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.32ms. Allocated memory is still 104.9MB. Free memory was 77.6MB in the beginning and 60.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:20,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 104.9MB. Free memory was 60.6MB in the beginning and 57.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:20,380 INFO L158 Benchmark]: Boogie Preprocessor took 71.32ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 55.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:20,380 INFO L158 Benchmark]: RCFGBuilder took 870.78ms. Allocated memory is still 104.9MB. Free memory was 54.8MB in the beginning and 69.4MB in the end (delta: -14.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:20,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.32ms. Allocated memory is still 104.9MB. Free memory was 77.6MB in the beginning and 60.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 104.9MB. Free memory was 60.6MB in the beginning and 57.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.32ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 55.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 870.78ms. Allocated memory is still 104.9MB. Free memory was 54.8MB in the beginning and 69.4MB in the end (delta: -14.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:20,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/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_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/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_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/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_f085d105-c354-4908-92ed-056b9d4fb2ce/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 01a21536345230b7194ff5017879c469eb8be909ba72352bb81feb2f101a934f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:22,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:22,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:22,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:22,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:22,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:22,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:22,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:22,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:22,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:22,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:22,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:22,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:22,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:22,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:22,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:22,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:22,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:22,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:22,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:22,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:22,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:22,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:22,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:22,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:22,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:22,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:22,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:22,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:22,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:22,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:22,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:22,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:22,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:22,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:22,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:22,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:22,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:22,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:22,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:22,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:22,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:22,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:22,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:22,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:22,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:22,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:22,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:22,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:22,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:22,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:22,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:22,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:22,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:22,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:22,821 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:22,821 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:22,821 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:22,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:22,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:22,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:22,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:22,822 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:22,823 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:22,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:22,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:22,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:22,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:22,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:22,824 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:22,824 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:22,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:22,825 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:22,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:22,825 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_f085d105-c354-4908-92ed-056b9d4fb2ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01a21536345230b7194ff5017879c469eb8be909ba72352bb81feb2f101a934f [2021-11-23 15:04:23,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:23,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:23,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:23,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:23,186 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:23,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2021-11-23 15:04:23,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/1e4162dc9/34cc3d6199484ce596290e81315edccd/FLAG330b8befd [2021-11-23 15:04:23,760 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:23,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2021-11-23 15:04:23,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/1e4162dc9/34cc3d6199484ce596290e81315edccd/FLAG330b8befd [2021-11-23 15:04:24,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/data/1e4162dc9/34cc3d6199484ce596290e81315edccd [2021-11-23 15:04:24,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:24,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:24,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:24,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:24,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:24,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e7ad9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24, skipping insertion in model container [2021-11-23 15:04:24,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:24,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:24,498 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_f085d105-c354-4908-92ed-056b9d4fb2ce/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c[14684,14697] [2021-11-23 15:04:24,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:24,547 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:24,663 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_f085d105-c354-4908-92ed-056b9d4fb2ce/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c[14684,14697] [2021-11-23 15:04:24,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:24,690 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:24,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24 WrapperNode [2021-11-23 15:04:24,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:24,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:24,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:24,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:24,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,784 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 514 [2021-11-23 15:04:24,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:24,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:24,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:24,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:24,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:24,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:24,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:24,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:24,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:24" (1/1) ... [2021-11-23 15:04:24,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:24,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:24,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:24,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:04:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:04:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:04:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:04:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:04:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:04:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:04:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:04:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:04:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:04:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:04:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:04:25,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:25,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:25,811 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:25,857 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 15:04:25,862 INFO L158 Benchmark]: Toolchain (without parser) took 1736.80ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 48.1MB in the beginning and 53.2MB in the end (delta: -5.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:25,862 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:25,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.56ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 46.7MB in the end (delta: 1.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:25,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.58ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:25,865 INFO L158 Benchmark]: Boogie Preprocessor took 48.79ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 40.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:25,866 INFO L158 Benchmark]: RCFGBuilder took 1025.42ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 53.2MB in the end (delta: -12.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:25,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.56ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 46.7MB in the end (delta: 1.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.58ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.79ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 40.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.42ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 53.2MB in the end (delta: -12.5MB). Peak memory consumption was 14.8MB. 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 15:04:25,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f085d105-c354-4908-92ed-056b9d4fb2ce/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable