./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.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_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/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_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/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_7085a333-ba01-447d-9500-7422834eff32/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 9e0986a044b5f2ee2861e6a12eb086c2dab3235c795159e39902c48155b94ff0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:36:22,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:36:22,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:36:22,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:36:22,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:36:22,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:36:22,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:36:22,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:36:22,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:36:22,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:36:22,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:36:22,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:36:22,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:36:22,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:36:22,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:36:22,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:36:22,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:36:22,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:36:22,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:36:22,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:36:22,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:36:22,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:36:22,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:36:22,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:36:22,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:36:22,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:36:22,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:36:22,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:36:22,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:36:22,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:36:22,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:36:22,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:36:22,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:36:22,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:36:22,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:36:22,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:36:22,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:36:22,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:36:22,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:36:22,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:36:22,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:36:22,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:36:22,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:36:22,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:36:22,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:36:22,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:36:22,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:36:22,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:36:22,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:36:22,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:36:22,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:36:22,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:36:22,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:36:22,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:36:22,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:36:22,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:36:22,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:36:22,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:36:22,687 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:36:22,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:36:22,687 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:36:22,687 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:36:22,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:36:22,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:22,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:36:22,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:36:22,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:36:22,688 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:36:22,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:36:22,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:36:22,689 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_7085a333-ba01-447d-9500-7422834eff32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0986a044b5f2ee2861e6a12eb086c2dab3235c795159e39902c48155b94ff0 [2021-11-23 15:36:22,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:36:23,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:36:23,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:36:23,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:36:23,016 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:36:23,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-23 15:36:23,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/7f2e20965/57b057c078cd40af9d030f054349a6d5/FLAGefd611aab [2021-11-23 15:36:23,759 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:36:23,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-23 15:36:23,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/7f2e20965/57b057c078cd40af9d030f054349a6d5/FLAGefd611aab [2021-11-23 15:36:23,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/7f2e20965/57b057c078cd40af9d030f054349a6d5 [2021-11-23 15:36:23,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:36:23,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:36:24,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:24,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:36:24,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:36:24,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:23" (1/1) ... [2021-11-23 15:36:24,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654fc71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24, skipping insertion in model container [2021-11-23 15:36:24,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:23" (1/1) ... [2021-11-23 15:36:24,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:36:24,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:36:24,574 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_7085a333-ba01-447d-9500-7422834eff32/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[15800,15813] [2021-11-23 15:36:24,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:24,744 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:36:24,895 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_7085a333-ba01-447d-9500-7422834eff32/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[15800,15813] [2021-11-23 15:36:24,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:24,974 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:36:24,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24 WrapperNode [2021-11-23 15:36:24,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:24,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:24,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:36:24,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:36:24,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,087 INFO L137 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1276 [2021-11-23 15:36:25,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:25,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:36:25,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:36:25,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:36:25,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:36:25,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:36:25,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:36:25,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:36:25,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:24" (1/1) ... [2021-11-23 15:36:25,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:25,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:36:25,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:36:25,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:36:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:36:25,473 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:36:25,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:36:26,497 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:36:26,556 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 15:36:26,565 INFO L158 Benchmark]: Toolchain (without parser) took 2566.55ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 50.9MB in the end (delta: 7.5MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2021-11-23 15:36:26,566 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 65.6MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:36:26,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.54ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 58.0MB in the beginning and 86.1MB in the end (delta: -28.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:36:26,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.99ms. Allocated memory is still 127.9MB. Free memory was 86.1MB in the beginning and 81.2MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:36:26,569 INFO L158 Benchmark]: Boogie Preprocessor took 118.80ms. Allocated memory is still 127.9MB. Free memory was 81.2MB in the beginning and 77.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:36:26,592 INFO L158 Benchmark]: RCFGBuilder took 1354.56ms. Allocated memory is still 127.9MB. Free memory was 77.7MB in the beginning and 50.9MB in the end (delta: 26.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-11-23 15:36:26,595 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 94.4MB. Free memory was 65.7MB in the beginning and 65.6MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.54ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 58.0MB in the beginning and 86.1MB in the end (delta: -28.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.99ms. Allocated memory is still 127.9MB. Free memory was 86.1MB in the beginning and 81.2MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.80ms. Allocated memory is still 127.9MB. Free memory was 81.2MB in the beginning and 77.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1354.56ms. Allocated memory is still 127.9MB. Free memory was 77.7MB in the beginning and 50.9MB in the end (delta: 26.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:36:26,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/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_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/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_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/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_7085a333-ba01-447d-9500-7422834eff32/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 9e0986a044b5f2ee2861e6a12eb086c2dab3235c795159e39902c48155b94ff0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:36:29,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:36:29,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:36:29,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:36:29,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:36:29,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:36:29,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:36:29,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:36:29,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:36:29,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:36:29,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:36:29,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:36:29,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:36:29,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:36:29,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:36:29,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:36:29,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:36:29,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:36:29,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:36:29,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:36:29,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:36:29,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:36:29,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:36:29,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:36:29,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:36:29,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:36:29,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:36:29,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:36:29,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:36:29,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:36:29,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:36:29,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:36:29,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:36:29,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:36:29,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:36:29,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:36:29,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:36:29,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:36:29,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:36:29,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:36:29,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:36:29,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:36:29,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:36:29,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:36:29,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:36:29,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:36:29,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:36:29,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:36:29,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:36:29,499 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:36:29,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:36:29,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:36:29,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:36:29,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:36:29,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:36:29,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:36:29,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:36:29,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:36:29,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:36:29,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:36:29,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:36:29,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:36:29,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:36:29,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:36:29,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:36:29,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:29,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:36:29,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:36:29,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:36:29,507 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:36:29,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:36:29,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:36:29,508 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:36:29,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:36:29,509 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_7085a333-ba01-447d-9500-7422834eff32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0986a044b5f2ee2861e6a12eb086c2dab3235c795159e39902c48155b94ff0 [2021-11-23 15:36:29,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:36:29,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:36:30,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:36:30,002 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:36:30,003 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:36:30,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-23 15:36:30,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/9cca88b8e/d6c4cd961fe342f7895f6fc676159250/FLAGbe781e2ca [2021-11-23 15:36:30,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:36:30,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-23 15:36:30,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/9cca88b8e/d6c4cd961fe342f7895f6fc676159250/FLAGbe781e2ca [2021-11-23 15:36:31,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/data/9cca88b8e/d6c4cd961fe342f7895f6fc676159250 [2021-11-23 15:36:31,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:36:31,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:36:31,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:31,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:36:31,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:36:31,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:31" (1/1) ... [2021-11-23 15:36:31,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bac31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:31, skipping insertion in model container [2021-11-23 15:36:31,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:31" (1/1) ... [2021-11-23 15:36:31,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:36:31,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:36:31,770 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_7085a333-ba01-447d-9500-7422834eff32/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[15800,15813] [2021-11-23 15:36:31,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:31,885 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:36:32,050 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_7085a333-ba01-447d-9500-7422834eff32/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[15800,15813] [2021-11-23 15:36:32,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:32,153 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:36:32,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32 WrapperNode [2021-11-23 15:36:32,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:32,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:32,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:36:32,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:36:32,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,283 INFO L137 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1258 [2021-11-23 15:36:32,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:32,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:36:32,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:36:32,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:36:32,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:36:32,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:36:32,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:36:32,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:36:32,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:32" (1/1) ... [2021-11-23 15:36:32,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:32,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:36:32,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:36:32,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:36:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:36:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:36:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:36:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:36:32,718 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:36:32,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:36:34,088 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:36:34,185 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 15:36:34,193 INFO L158 Benchmark]: Toolchain (without parser) took 3100.43ms. Allocated memory was 60.8MB in the beginning and 104.9MB in the end (delta: 44.0MB). Free memory was 38.6MB in the beginning and 78.2MB in the end (delta: -39.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-11-23 15:36:34,195 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:36:34,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.50ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 38.3MB in the beginning and 50.2MB in the end (delta: -11.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:34,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.67ms. Allocated memory is still 79.7MB. Free memory was 50.2MB in the beginning and 45.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:34,199 INFO L158 Benchmark]: Boogie Preprocessor took 155.10ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 40.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:34,200 INFO L158 Benchmark]: RCFGBuilder took 1749.52ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 40.9MB in the beginning and 78.2MB in the end (delta: -37.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-23 15:36:34,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.50ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 38.3MB in the beginning and 50.2MB in the end (delta: -11.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.67ms. Allocated memory is still 79.7MB. Free memory was 50.2MB in the beginning and 45.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.10ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 40.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1749.52ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 40.9MB in the beginning and 78.2MB in the end (delta: -37.2MB). Peak memory consumption was 14.9MB. 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 15:36:34,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7085a333-ba01-447d-9500-7422834eff32/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