./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label25.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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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 d0c62ce4290ee6685752cadb5c661e13a9ca567a9bc26ab11ca41216c8678935 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:37,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:37,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:37,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:37,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:37,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:37,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:37,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:37,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:37,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:37,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:37,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:37,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:37,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:37,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:37,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:37,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:37,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:37,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:37,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:37,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:37,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:37,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:37,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:37,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:37,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:37,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:37,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:37,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:37,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:37,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:37,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:37,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:37,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:37,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:37,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:37,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:37,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:37,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:37,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:37,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:37,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:37:37,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:37,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:37,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:37,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:37,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:37,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:37,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:37,539 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:37,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:37:37,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:37,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:37,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:37,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:37,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:37,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:37,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:37,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:37,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:37,543 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:37,543 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:37,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:37,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:37,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:37,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:37,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:37,544 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:37:37,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:37:37,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:37,545 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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0c62ce4290ee6685752cadb5c661e13a9ca567a9bc26ab11ca41216c8678935 [2021-11-23 15:37:37,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:37,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:37,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:37,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:37,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:37,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label25.c [2021-11-23 15:37:37,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/a72243547/c4cfadd888ea48c5a6fde4f150c84cc5/FLAGb343cc4cb [2021-11-23 15:37:38,769 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:38,770 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/sv-benchmarks/c/eca-rers2012/Problem18_label25.c [2021-11-23 15:37:38,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/a72243547/c4cfadd888ea48c5a6fde4f150c84cc5/FLAGb343cc4cb [2021-11-23 15:37:38,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/a72243547/c4cfadd888ea48c5a6fde4f150c84cc5 [2021-11-23 15:37:38,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:38,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:38,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:38,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:38,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:38,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:38" (1/1) ... [2021-11-23 15:37:38,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abd601e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:38, skipping insertion in model container [2021-11-23 15:37:38,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:38" (1/1) ... [2021-11-23 15:37:38,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:38,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:39,341 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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/sv-benchmarks/c/eca-rers2012/Problem18_label25.c[2806,2819] [2021-11-23 15:37:40,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:40,280 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:40,312 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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/sv-benchmarks/c/eca-rers2012/Problem18_label25.c[2806,2819] [2021-11-23 15:37:40,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:40,983 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:40,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40 WrapperNode [2021-11-23 15:37:40,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:40,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:40,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:40,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:40,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,297 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2021-11-23 15:37:41,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:41,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:41,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:41,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:41,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:41,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:41,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:41,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:41,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:40" (1/1) ... [2021-11-23 15:37:41,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:41,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:41,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:41,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:41,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:41,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:37:41,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:41,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:41,692 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:41,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:45,133 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:37:45,194 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 15:37:45,200 INFO L158 Benchmark]: Toolchain (without parser) took 6327.51ms. Allocated memory was 107.0MB in the beginning and 450.9MB in the end (delta: 343.9MB). Free memory was 78.8MB in the beginning and 263.4MB in the end (delta: -184.6MB). Peak memory consumption was 160.0MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,201 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:45,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2109.81ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 78.8MB in the beginning and 79.5MB in the end (delta: -693.6kB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 312.71ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 79.5MB in the beginning and 164.9MB in the end (delta: -85.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,206 INFO L158 Benchmark]: Boogie Preprocessor took 224.13ms. Allocated memory is still 239.1MB. Free memory was 164.9MB in the beginning and 140.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,207 INFO L158 Benchmark]: RCFGBuilder took 3673.78ms. Allocated memory was 239.1MB in the beginning and 450.9MB in the end (delta: 211.8MB). Free memory was 140.8MB in the beginning and 263.4MB in the end (delta: -122.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2109.81ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 78.8MB in the beginning and 79.5MB in the end (delta: -693.6kB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 312.71ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 79.5MB in the beginning and 164.9MB in the end (delta: -85.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.13ms. Allocated memory is still 239.1MB. Free memory was 164.9MB in the beginning and 140.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3673.78ms. Allocated memory was 239.1MB in the beginning and 450.9MB in the end (delta: 211.8MB). Free memory was 140.8MB in the beginning and 263.4MB in the end (delta: -122.6MB). Peak memory consumption was 90.9MB. 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 15:37:45,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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 d0c62ce4290ee6685752cadb5c661e13a9ca567a9bc26ab11ca41216c8678935 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:47,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:47,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:47,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:47,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:47,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:47,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:47,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:47,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:47,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:47,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:47,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:47,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:47,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:47,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:47,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:47,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:47,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:47,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:47,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:47,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:47,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:47,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:47,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:47,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:47,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:47,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:47,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:47,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:47,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:47,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:47,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:47,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:47,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:47,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:47,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:47,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:47,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:47,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:47,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:47,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:47,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:37:47,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:47,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:47,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:47,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:47,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:47,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:47,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:47,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:47,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:47,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:47,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:47,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:47,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:47,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:37:47,865 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:37:47,865 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:37:47,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:47,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:47,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:47,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:47,866 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:47,866 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:47,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:47,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:47,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:47,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:47,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:47,868 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:37:47,868 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:37:47,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:47,868 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:37:47,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:37:47,869 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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0c62ce4290ee6685752cadb5c661e13a9ca567a9bc26ab11ca41216c8678935 [2021-11-23 15:37:48,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:48,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:48,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:48,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:48,318 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:48,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label25.c [2021-11-23 15:37:48,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/9bd06deb1/cba545a004c44f98aa2d9b2e984f8dde/FLAGdb52fa4fd [2021-11-23 15:37:49,138 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:49,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/sv-benchmarks/c/eca-rers2012/Problem18_label25.c [2021-11-23 15:37:49,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/9bd06deb1/cba545a004c44f98aa2d9b2e984f8dde/FLAGdb52fa4fd [2021-11-23 15:37:49,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/data/9bd06deb1/cba545a004c44f98aa2d9b2e984f8dde [2021-11-23 15:37:49,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:49,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:49,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:49,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:49,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:49,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:49" (1/1) ... [2021-11-23 15:37:49,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ef7411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:49, skipping insertion in model container [2021-11-23 15:37:49,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:49" (1/1) ... [2021-11-23 15:37:49,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:49,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:49,542 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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/sv-benchmarks/c/eca-rers2012/Problem18_label25.c[2806,2819] [2021-11-23 15:37:50,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:50,615 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:50,643 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_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/sv-benchmarks/c/eca-rers2012/Problem18_label25.c[2806,2819] [2021-11-23 15:37:51,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:51,392 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:51,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51 WrapperNode [2021-11-23 15:37:51,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:51,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:51,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:51,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:51,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,687 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4128 [2021-11-23 15:37:51,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:51,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:51,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:51,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:51,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:51,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:51,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:51,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:51,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:51" (1/1) ... [2021-11-23 15:37:51,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:51,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:52,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:52,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:37:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:52,256 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:52,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:06,329 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:06,410 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 15:38:06,414 INFO L158 Benchmark]: Toolchain (without parser) took 17187.56ms. Allocated memory was 65.0MB in the beginning and 268.4MB in the end (delta: 203.4MB). Free memory was 33.7MB in the beginning and 200.7MB in the end (delta: -167.0MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2021-11-23 15:38:06,415 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:06,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2166.37ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 33.6MB in the beginning and 64.9MB in the end (delta: -31.3MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-11-23 15:38:06,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 293.02ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 56.4MB in the end (delta: 7.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2021-11-23 15:38:06,417 INFO L158 Benchmark]: Boogie Preprocessor took 264.01ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 45.9MB in the end (delta: 10.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-23 15:38:06,418 INFO L158 Benchmark]: RCFGBuilder took 14458.41ms. Allocated memory was 107.0MB in the beginning and 268.4MB in the end (delta: 161.5MB). Free memory was 45.9MB in the beginning and 200.7MB in the end (delta: -154.8MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:06,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2166.37ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 33.6MB in the beginning and 64.9MB in the end (delta: -31.3MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 293.02ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 56.4MB in the end (delta: 7.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 264.01ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 45.9MB in the end (delta: 10.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * RCFGBuilder took 14458.41ms. Allocated memory was 107.0MB in the beginning and 268.4MB in the end (delta: 161.5MB). Free memory was 45.9MB in the beginning and 200.7MB in the end (delta: -154.8MB). Peak memory consumption was 85.1MB. 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 15:38:06,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc0e4a9e-c509-45e4-b8b6-46193b24c25a/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