./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label26.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_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/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_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/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_ad18edbe-f774-499c-82bd-7c5de1cd3727/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 0887ed233b7d9ebaebc7d3592c7422f9d4fe2418c2eecfd5d225ad45a2570d74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:31,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:31,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:31,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:31,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:31,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:31,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:31,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:31,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:31,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:31,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:31,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:31,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:31,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:31,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:31,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:31,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:31,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:31,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:31,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:31,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:31,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:31,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:31,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:31,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:31,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:31,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:31,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:31,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:31,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:31,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:31,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:31,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:31,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:31,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:31,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:31,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:31,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:31,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:31,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:31,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:31,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:31,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:31,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:31,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:31,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:31,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:31,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:31,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:31,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:31,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:31,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:31,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:31,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:31,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:31,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:31,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:31,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:31,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:31,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:31,720 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:31,720 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:31,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:31,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:31,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:31,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:31,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:31,722 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:31,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:31,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:31,723 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_ad18edbe-f774-499c-82bd-7c5de1cd3727/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0887ed233b7d9ebaebc7d3592c7422f9d4fe2418c2eecfd5d225ad45a2570d74 [2021-11-23 15:52:32,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:32,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:32,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:32,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:32,128 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:32,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem03_label26.c [2021-11-23 15:52:32,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/015e5e951/aeb7ae4d642d4579a7879ab08fcf92d6/FLAG0f319571d [2021-11-23 15:52:33,013 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:33,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/sv-benchmarks/c/eca-rers2012/Problem03_label26.c [2021-11-23 15:52:33,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/015e5e951/aeb7ae4d642d4579a7879ab08fcf92d6/FLAG0f319571d [2021-11-23 15:52:33,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/015e5e951/aeb7ae4d642d4579a7879ab08fcf92d6 [2021-11-23 15:52:33,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:33,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:33,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:33,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:33,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:33,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:33" (1/1) ... [2021-11-23 15:52:33,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18827456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:33, skipping insertion in model container [2021-11-23 15:52:33,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:33" (1/1) ... [2021-11-23 15:52:33,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:33,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:34,018 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_ad18edbe-f774-499c-82bd-7c5de1cd3727/sv-benchmarks/c/eca-rers2012/Problem03_label26.c[55276,55289] [2021-11-23 15:52:34,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:34,116 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:34,481 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_ad18edbe-f774-499c-82bd-7c5de1cd3727/sv-benchmarks/c/eca-rers2012/Problem03_label26.c[55276,55289] [2021-11-23 15:52:34,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:34,529 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:34,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34 WrapperNode [2021-11-23 15:52:34,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:34,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:34,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:34,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:34,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,722 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-11-23 15:52:34,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:34,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:34,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:34,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:34,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:34,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:34,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:34,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:34,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:34,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:34,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:34,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:35,082 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:35,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:36,943 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:36,981 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 15:52:36,985 INFO L158 Benchmark]: Toolchain (without parser) took 3838.37ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 54.3MB in the beginning and 69.6MB in the end (delta: -15.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:36,986 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:36,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1381.56ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 81.3MB in the end (delta: -27.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:36,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.46ms. Allocated memory is still 127.9MB. Free memory was 81.1MB in the beginning and 66.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:36,989 INFO L158 Benchmark]: Boogie Preprocessor took 154.62ms. Allocated memory is still 127.9MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:36,990 INFO L158 Benchmark]: RCFGBuilder took 2103.50ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 56.1MB in the beginning and 69.6MB in the end (delta: -13.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:36,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1381.56ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 81.3MB in the end (delta: -27.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.46ms. Allocated memory is still 127.9MB. Free memory was 81.1MB in the beginning and 66.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.62ms. Allocated memory is still 127.9MB. Free memory was 66.6MB in the beginning and 56.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2103.50ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 56.1MB in the beginning and 69.6MB in the end (delta: -13.5MB). Peak memory consumption was 33.6MB. 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 15:52:37,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/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_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/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_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/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_ad18edbe-f774-499c-82bd-7c5de1cd3727/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 0887ed233b7d9ebaebc7d3592c7422f9d4fe2418c2eecfd5d225ad45a2570d74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:39,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:39,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:39,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:39,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:39,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:39,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:39,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:39,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:39,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:39,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:39,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:39,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:39,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:39,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:39,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:39,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:39,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:39,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:39,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:39,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:39,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:39,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:39,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:39,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:39,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:39,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:39,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:39,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:39,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:39,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:39,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:39,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:39,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:39,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:39,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:39,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:39,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:39,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:39,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:39,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:39,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:39,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:39,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:39,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:39,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:39,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:39,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:39,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:39,747 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:39,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:39,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:39,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:39,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:39,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:39,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:39,750 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:39,750 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:39,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:39,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:39,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:39,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:39,751 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:39,751 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:39,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:39,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:39,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:39,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:39,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:39,753 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:39,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:39,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:39,754 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:39,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:39,754 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_ad18edbe-f774-499c-82bd-7c5de1cd3727/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0887ed233b7d9ebaebc7d3592c7422f9d4fe2418c2eecfd5d225ad45a2570d74 [2021-11-23 15:52:40,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:40,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:40,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:40,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:40,161 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:40,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem03_label26.c [2021-11-23 15:52:40,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/40e9078b7/78af48c48c3b4602a3d1781160c48eaf/FLAG37fd8354f [2021-11-23 15:52:40,986 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:40,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/sv-benchmarks/c/eca-rers2012/Problem03_label26.c [2021-11-23 15:52:41,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/40e9078b7/78af48c48c3b4602a3d1781160c48eaf/FLAG37fd8354f [2021-11-23 15:52:41,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/data/40e9078b7/78af48c48c3b4602a3d1781160c48eaf [2021-11-23 15:52:41,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:41,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:41,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:41,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:41,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:41,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59912763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41, skipping insertion in model container [2021-11-23 15:52:41,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:41,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:41,998 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_ad18edbe-f774-499c-82bd-7c5de1cd3727/sv-benchmarks/c/eca-rers2012/Problem03_label26.c[55276,55289] [2021-11-23 15:52:42,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:42,043 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:42,257 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_ad18edbe-f774-499c-82bd-7c5de1cd3727/sv-benchmarks/c/eca-rers2012/Problem03_label26.c[55276,55289] [2021-11-23 15:52:42,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:42,310 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:42,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42 WrapperNode [2021-11-23 15:52:42,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:42,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:42,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:42,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:42,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,486 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1769 [2021-11-23 15:52:42,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:42,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:42,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:42,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:42,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:42,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:42,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:42,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:42,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:42" (1/1) ... [2021-11-23 15:52:42,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:42,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:42,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:42,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:42,844 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:42,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:45,286 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:45,344 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 15:52:45,352 INFO L158 Benchmark]: Toolchain (without parser) took 4200.54ms. Allocated memory was 58.7MB in the beginning and 146.8MB in the end (delta: 88.1MB). Free memory was 31.6MB in the beginning and 72.2MB in the end (delta: -40.7MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:45,353 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:45,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1157.63ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 44.0MB in the end (delta: -12.6MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:45,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.05ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 29.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:45,358 INFO L158 Benchmark]: Boogie Preprocessor took 170.47ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 29.3MB in the beginning and 54.9MB in the end (delta: -25.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:45,359 INFO L158 Benchmark]: RCFGBuilder took 2690.41ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 54.9MB in the beginning and 72.2MB in the end (delta: -17.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:45,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1157.63ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 44.0MB in the end (delta: -12.6MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 174.05ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 29.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.47ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 29.3MB in the beginning and 54.9MB in the end (delta: -25.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2690.41ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 54.9MB in the beginning and 72.2MB in the end (delta: -17.3MB). Peak memory consumption was 40.0MB. 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 15:52:45,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad18edbe-f774-499c-82bd-7c5de1cd3727/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