./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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 3af6b76c8112c46f4f3f430659495baba58dab9f6300080b3889ede952fb5526 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:11,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:11,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:11,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:11,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:11,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:11,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:11,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:11,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:11,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:11,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:11,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:11,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:11,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:11,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:11,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:11,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:11,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:11,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:11,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:11,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:11,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:11,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:11,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:11,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:11,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:11,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:11,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:11,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:11,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:11,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:11,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:11,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:11,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:11,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:11,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:11,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:11,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:11,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:11,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:11,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:11,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:35:11,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:11,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:11,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:11,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:11,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:11,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:11,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:11,404 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:11,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:35:11,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:11,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:11,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:11,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:11,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:11,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:11,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:11,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:11,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:11,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:11,408 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:11,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:11,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:11,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:11,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:11,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:11,409 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:35:11,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:35:11,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:11,410 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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3af6b76c8112c46f4f3f430659495baba58dab9f6300080b3889ede952fb5526 [2021-11-23 15:35:11,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:11,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:11,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:11,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:11,803 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:11,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:35:11,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/86b0b728b/86f894119ee64f008b95e3ce6afc22fa/FLAGabf39f100 [2021-11-23 15:35:12,501 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:12,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:35:12,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/86b0b728b/86f894119ee64f008b95e3ce6afc22fa/FLAGabf39f100 [2021-11-23 15:35:12,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/86b0b728b/86f894119ee64f008b95e3ce6afc22fa [2021-11-23 15:35:12,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:12,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:12,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:12,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:12,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:12,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8ef7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:12, skipping insertion in model container [2021-11-23 15:35:12,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:12" (1/1) ... [2021-11-23 15:35:12,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:12,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:13,185 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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7752,7765] [2021-11-23 15:35:13,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:13,251 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:13,329 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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7752,7765] [2021-11-23 15:35:13,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:13,397 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:13,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13 WrapperNode [2021-11-23 15:35:13,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:13,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:13,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:13,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:13,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,464 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 617 [2021-11-23 15:35:13,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:13,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:13,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:13,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:13,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:13,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:13,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:13,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:13,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:13" (1/1) ... [2021-11-23 15:35:13,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:13,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:13,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:13,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:35:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:13,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:13,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:14,558 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:14,641 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 15:35:14,646 INFO L158 Benchmark]: Toolchain (without parser) took 1866.27ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 87.4MB in the end (delta: -7.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-11-23 15:35:14,647 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:14,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.14ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 85.1MB in the end (delta: -5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:35:14,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.29ms. Allocated memory is still 117.4MB. Free memory was 85.1MB in the beginning and 81.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:14,650 INFO L158 Benchmark]: Boogie Preprocessor took 48.28ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:14,651 INFO L158 Benchmark]: RCFGBuilder took 1129.43ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 87.4MB in the end (delta: -7.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-23 15:35:14,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.14ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 85.1MB in the end (delta: -5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.29ms. Allocated memory is still 117.4MB. Free memory was 85.1MB in the beginning and 81.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.28ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.43ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 87.4MB in the end (delta: -7.5MB). Peak memory consumption was 37.9MB. 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 15:35:14,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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 3af6b76c8112c46f4f3f430659495baba58dab9f6300080b3889ede952fb5526 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:17,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:17,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:17,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:17,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:17,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:17,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:17,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:17,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:17,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:17,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:17,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:17,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:17,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:17,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:17,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:17,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:17,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:17,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:17,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:17,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:17,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:17,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:17,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:17,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:17,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:17,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:17,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:17,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:17,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:17,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:17,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:17,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:17,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:17,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:17,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:17,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:17,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:17,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:17,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:17,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:17,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:35:17,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:17,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:17,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:17,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:17,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:17,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:17,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:17,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:17,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:17,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:17,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:17,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:17,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:17,703 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:35:17,703 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:35:17,703 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:35:17,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:17,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:17,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:17,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:17,704 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:17,705 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:17,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:17,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:17,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:17,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:17,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:17,706 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:35:17,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:35:17,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:17,707 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:35:17,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:35:17,707 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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3af6b76c8112c46f4f3f430659495baba58dab9f6300080b3889ede952fb5526 [2021-11-23 15:35:18,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:18,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:18,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:18,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:18,214 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:18,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:35:18,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/fd2867dcd/e8a72d69b4dd4176944eddd68b7bb348/FLAG2940b36f8 [2021-11-23 15:35:19,051 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:19,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:35:19,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/fd2867dcd/e8a72d69b4dd4176944eddd68b7bb348/FLAG2940b36f8 [2021-11-23 15:35:19,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/data/fd2867dcd/e8a72d69b4dd4176944eddd68b7bb348 [2021-11-23 15:35:19,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:19,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:19,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:19,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:19,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:19,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:19,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ceb60b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19, skipping insertion in model container [2021-11-23 15:35:19,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:19,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:19,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:19,735 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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7752,7765] [2021-11-23 15:35:19,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:19,790 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:19,856 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_eed7882b-3c97-44f5-bce3-0972aeffaa7f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7752,7765] [2021-11-23 15:35:19,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:19,912 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:19,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19 WrapperNode [2021-11-23 15:35:19,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:19,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:19,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:19,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:19,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:19,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,004 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 602 [2021-11-23 15:35:20,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:20,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:20,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:20,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:20,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:20,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:20,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:20,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:20,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:19" (1/1) ... [2021-11-23 15:35:20,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:20,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:20,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:35:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:20,445 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:20,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:21,165 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:21,208 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 15:35:21,217 INFO L158 Benchmark]: Toolchain (without parser) took 1918.23ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 50.8MB in the beginning and 47.7MB in the end (delta: 3.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-11-23 15:35:21,218 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:21,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.53ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 43.5MB in the end (delta: 7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:35:21,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.85ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 40.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:21,222 INFO L158 Benchmark]: Boogie Preprocessor took 88.11ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 37.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:21,223 INFO L158 Benchmark]: RCFGBuilder took 1104.35ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 37.7MB in the beginning and 47.7MB in the end (delta: -10.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:21,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.53ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 43.5MB in the end (delta: 7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.85ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 40.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.11ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 37.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1104.35ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 37.7MB in the beginning and 47.7MB in the end (delta: -10.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:35:21,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed7882b-3c97-44f5-bce3-0972aeffaa7f/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