./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label33.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_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/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_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/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_79757fec-2cb3-4271-97e0-ceaebc71e81b/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 0d46a049afd4ed13c191f0aef57ddac147dacce6ed0e6ba4935c5530742087d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:11,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:11,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:11,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:11,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:11,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:11,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:11,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:11,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:11,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:11,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:11,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:11,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:11,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:11,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:11,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:11,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:11,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:11,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:11,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:11,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:11,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:11,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:11,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:11,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:11,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:11,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:11,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:11,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:11,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:11,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:11,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:11,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:11,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:11,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:11,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:11,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:11,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:11,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:11,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:11,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:11,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:11,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:11,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:11,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:11,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:11,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:11,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:11,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:11,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:11,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:11,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:11,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:11,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:11,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:11,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:11,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:11,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:11,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:11,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:11,623 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:11,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:11,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:11,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:11,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:11,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:11,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:11,625 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:11,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:11,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:11,625 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_79757fec-2cb3-4271-97e0-ceaebc71e81b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d46a049afd4ed13c191f0aef57ddac147dacce6ed0e6ba4935c5530742087d9 [2021-11-23 15:55:11,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:11,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:11,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:11,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:11,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:11,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label33.c [2021-11-23 15:55:12,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/76e0f137d/4e1e48566d324bad8b03329187394367/FLAG9fc9c78cf [2021-11-23 15:55:12,995 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:12,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/sv-benchmarks/c/eca-rers2012/Problem19_label33.c [2021-11-23 15:55:13,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/76e0f137d/4e1e48566d324bad8b03329187394367/FLAG9fc9c78cf [2021-11-23 15:55:13,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/76e0f137d/4e1e48566d324bad8b03329187394367 [2021-11-23 15:55:13,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:13,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:13,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:13,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:13,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:13,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:13" (1/1) ... [2021-11-23 15:55:13,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e008e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:13, skipping insertion in model container [2021-11-23 15:55:13,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:13" (1/1) ... [2021-11-23 15:55:13,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:13,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:14,050 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_79757fec-2cb3-4271-97e0-ceaebc71e81b/sv-benchmarks/c/eca-rers2012/Problem19_label33.c[5530,5543] [2021-11-23 15:55:15,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:15,782 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:15,810 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_79757fec-2cb3-4271-97e0-ceaebc71e81b/sv-benchmarks/c/eca-rers2012/Problem19_label33.c[5530,5543] [2021-11-23 15:55:16,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:16,965 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:16,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16 WrapperNode [2021-11-23 15:55:16,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:16,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:16,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:16,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:16,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:17,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:18,192 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 15:55:18,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:18,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:18,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:18,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:18,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:18,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:18,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:18,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:18,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:19,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:19,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:19,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:19,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:19,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:19,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:19,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:16" (1/1) ... [2021-11-23 15:55:19,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:19,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:19,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:19,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:19,713 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:19,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:28,298 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:28,398 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 15:55:28,405 INFO L158 Benchmark]: Toolchain (without parser) took 15038.50ms. Allocated memory was 104.9MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 57.7MB in the beginning and 970.3MB in the end (delta: -912.5MB). Peak memory consumption was 429.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:28,405 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:28,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3599.34ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 57.3MB in the beginning and 103.3MB in the end (delta: -46.0MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:28,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 1224.99ms. Allocated memory was 209.7MB in the beginning and 341.8MB in the end (delta: 132.1MB). Free memory was 103.3MB in the beginning and 163.7MB in the end (delta: -60.4MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:28,410 INFO L158 Benchmark]: Boogie Preprocessor took 1347.12ms. Allocated memory was 341.8MB in the beginning and 683.7MB in the end (delta: 341.8MB). Free memory was 163.7MB in the beginning and 459.7MB in the end (delta: -296.1MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:28,411 INFO L158 Benchmark]: RCFGBuilder took 8860.43ms. Allocated memory was 683.7MB in the beginning and 1.4GB in the end (delta: 687.9MB). Free memory was 459.7MB in the beginning and 970.3MB in the end (delta: -510.5MB). Peak memory consumption was 253.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:28,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3599.34ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 57.3MB in the beginning and 103.3MB in the end (delta: -46.0MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1224.99ms. Allocated memory was 209.7MB in the beginning and 341.8MB in the end (delta: 132.1MB). Free memory was 103.3MB in the beginning and 163.7MB in the end (delta: -60.4MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1347.12ms. Allocated memory was 341.8MB in the beginning and 683.7MB in the end (delta: 341.8MB). Free memory was 163.7MB in the beginning and 459.7MB in the end (delta: -296.1MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8860.43ms. Allocated memory was 683.7MB in the beginning and 1.4GB in the end (delta: 687.9MB). Free memory was 459.7MB in the beginning and 970.3MB in the end (delta: -510.5MB). Peak memory consumption was 253.9MB. 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 15:55:28,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/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_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/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_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/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_79757fec-2cb3-4271-97e0-ceaebc71e81b/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 0d46a049afd4ed13c191f0aef57ddac147dacce6ed0e6ba4935c5530742087d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:30,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:30,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:31,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:31,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:31,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:31,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:31,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:31,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:31,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:31,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:31,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:31,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:31,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:31,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:31,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:31,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:31,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:31,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:31,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:31,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:31,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:31,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:31,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:31,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:31,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:31,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:31,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:31,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:31,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:31,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:31,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:31,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:31,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:31,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:31,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:31,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:31,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:31,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:31,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:31,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:31,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:31,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:31,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:31,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:31,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:31,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:31,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:31,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:31,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:31,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:31,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:31,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:31,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:31,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:31,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:31,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:31,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:31,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:31,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:31,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:31,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:31,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:31,146 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:31,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:31,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:31,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:31,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:31,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:31,148 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:31,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:31,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:31,148 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:31,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:31,149 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_79757fec-2cb3-4271-97e0-ceaebc71e81b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d46a049afd4ed13c191f0aef57ddac147dacce6ed0e6ba4935c5530742087d9 [2021-11-23 15:55:31,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:31,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:31,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:31,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:31,581 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:31,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label33.c [2021-11-23 15:55:31,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/ff216e49c/2bbf38ba5bb742098a28fe2c558eb0ac/FLAG18302ce1a [2021-11-23 15:55:32,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:32,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/sv-benchmarks/c/eca-rers2012/Problem19_label33.c [2021-11-23 15:55:32,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/ff216e49c/2bbf38ba5bb742098a28fe2c558eb0ac/FLAG18302ce1a [2021-11-23 15:55:33,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/data/ff216e49c/2bbf38ba5bb742098a28fe2c558eb0ac [2021-11-23 15:55:33,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:33,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:33,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:33,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:33,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:33,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:33" (1/1) ... [2021-11-23 15:55:33,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fff0945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:33, skipping insertion in model container [2021-11-23 15:55:33,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:33" (1/1) ... [2021-11-23 15:55:33,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:33,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:33,801 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_79757fec-2cb3-4271-97e0-ceaebc71e81b/sv-benchmarks/c/eca-rers2012/Problem19_label33.c[5530,5543] [2021-11-23 15:55:35,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:35,752 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:35,800 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_79757fec-2cb3-4271-97e0-ceaebc71e81b/sv-benchmarks/c/eca-rers2012/Problem19_label33.c[5530,5543] [2021-11-23 15:55:37,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:37,192 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:37,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37 WrapperNode [2021-11-23 15:55:37,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:37,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:37,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:37,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:37,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:37,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:37,740 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9418 [2021-11-23 15:55:37,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:37,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:37,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:37,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:37,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:37,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:37,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:37,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:38,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:38,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:38,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:38,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:38,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:38,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:38,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:38,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:37" (1/1) ... [2021-11-23 15:55:38,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:38,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:38,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:38,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:38,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:38,648 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:38,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:37,882 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:37,953 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 15:56:37,958 INFO L158 Benchmark]: Toolchain (without parser) took 64803.25ms. Allocated memory was 60.8MB in the beginning and 864.0MB in the end (delta: 803.2MB). Free memory was 24.5MB in the beginning and 503.9MB in the end (delta: -479.4MB). Peak memory consumption was 454.8MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,958 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:37,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3989.26ms. Allocated memory was 60.8MB in the beginning and 201.3MB in the end (delta: 140.5MB). Free memory was 31.6MB in the beginning and 94.2MB in the end (delta: -62.6MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 546.01ms. Allocated memory is still 201.3MB. Free memory was 94.2MB in the beginning and 80.9MB in the end (delta: 13.4MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,961 INFO L158 Benchmark]: Boogie Preprocessor took 542.34ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 80.9MB in the beginning and 247.8MB in the end (delta: -166.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,962 INFO L158 Benchmark]: RCFGBuilder took 59670.34ms. Allocated memory was 402.7MB in the beginning and 864.0MB in the end (delta: 461.4MB). Free memory was 247.8MB in the beginning and 503.9MB in the end (delta: -256.1MB). Peak memory consumption was 336.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,965 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 60.8MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3989.26ms. Allocated memory was 60.8MB in the beginning and 201.3MB in the end (delta: 140.5MB). Free memory was 31.6MB in the beginning and 94.2MB in the end (delta: -62.6MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 546.01ms. Allocated memory is still 201.3MB. Free memory was 94.2MB in the beginning and 80.9MB in the end (delta: 13.4MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 542.34ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 80.9MB in the beginning and 247.8MB in the end (delta: -166.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 59670.34ms. Allocated memory was 402.7MB in the beginning and 864.0MB in the end (delta: 461.4MB). Free memory was 247.8MB in the beginning and 503.9MB in the end (delta: -256.1MB). Peak memory consumption was 336.2MB. 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 15:56:38,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79757fec-2cb3-4271-97e0-ceaebc71e81b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable