./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:59,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:59,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:59,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:59,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:59,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:59,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:59,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:59,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:59,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:59,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:59,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:59,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:59,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:59,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:59,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:59,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:59,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:59,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:59,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:59,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:59,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:59,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:59,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:59,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:59,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:59,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:59,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:59,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:59,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:59,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:59,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:59,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:59,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:59,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:59,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:59,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:59,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:59,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:59,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:59,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:59,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:44:59,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:59,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:59,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:59,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:59,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:59,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:59,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:59,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:59,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:44:59,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:59,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:59,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:59,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:59,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:59,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:59,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:59,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:59,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:59,842 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:59,843 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:59,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:59,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:59,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:59,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:59,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:59,844 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:44:59,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:44:59,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:59,845 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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253 [2021-11-23 15:45:00,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:00,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:00,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:00,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:00,141 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:00,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2021-11-23 15:45:00,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/442e50a02/c935958f67184353b8c335251b17004e/FLAGf91f40830 [2021-11-23 15:45:00,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:00,828 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2021-11-23 15:45:00,846 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/442e50a02/c935958f67184353b8c335251b17004e/FLAGf91f40830 [2021-11-23 15:45:01,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/442e50a02/c935958f67184353b8c335251b17004e [2021-11-23 15:45:01,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:01,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:01,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:01,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:01,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:01,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47992710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01, skipping insertion in model container [2021-11-23 15:45:01,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:01,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:01,557 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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101] [2021-11-23 15:45:01,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:01,592 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:01,688 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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101] [2021-11-23 15:45:01,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:01,708 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:01,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01 WrapperNode [2021-11-23 15:45:01,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:01,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:01,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:01,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:01,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,803 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 15:45:01,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:01,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:01,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:01,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:01,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:01,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:01,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:01,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:01,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:01" (1/1) ... [2021-11-23 15:45:01,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:01,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:01,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:02,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:02,134 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:02,136 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:03,229 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:03,284 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 15:45:03,289 INFO L158 Benchmark]: Toolchain (without parser) took 2253.95ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 42.9MB in the end (delta: 26.7MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:03,291 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:03,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.93ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 64.5MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:03,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.17ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 58.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:03,295 INFO L158 Benchmark]: Boogie Preprocessor took 72.77ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 54.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:45:03,296 INFO L158 Benchmark]: RCFGBuilder took 1408.99ms. Allocated memory is still 104.9MB. Free memory was 54.5MB in the beginning and 42.9MB in the end (delta: 11.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:03,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.93ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 64.5MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.17ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 58.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.77ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 54.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1408.99ms. Allocated memory is still 104.9MB. Free memory was 54.5MB in the beginning and 42.9MB in the end (delta: 11.6MB). Peak memory consumption was 29.4MB. 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 15:45:03,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:05,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:05,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:05,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:05,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:05,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:05,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:05,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:05,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:05,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:05,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:05,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:05,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:05,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:05,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:05,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:05,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:05,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:05,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:05,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:05,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:05,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:05,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:05,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:06,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:06,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:06,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:06,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:06,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:06,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:06,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:06,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:06,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:06,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:06,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:06,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:06,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:06,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:06,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:06,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:06,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:06,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:06,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:06,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:06,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:06,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:06,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:06,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:06,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:06,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:06,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:06,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:06,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:06,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:06,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:06,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:06,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:06,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:06,074 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:06,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:06,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:06,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:06,074 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:06,075 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:06,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:06,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:06,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:06,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:06,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:06,076 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:06,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:06,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:06,077 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:06,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:06,077 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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253 [2021-11-23 15:45:06,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:06,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:06,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:06,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:06,494 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:06,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2021-11-23 15:45:06,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/12b3fffd1/3751b345c3a34f56b44822871481fbd5/FLAGed0893a96 [2021-11-23 15:45:07,294 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:07,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2021-11-23 15:45:07,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/12b3fffd1/3751b345c3a34f56b44822871481fbd5/FLAGed0893a96 [2021-11-23 15:45:07,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/data/12b3fffd1/3751b345c3a34f56b44822871481fbd5 [2021-11-23 15:45:07,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:07,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:07,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:07,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:07,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:07,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:07" (1/1) ... [2021-11-23 15:45:07,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acb1e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:07, skipping insertion in model container [2021-11-23 15:45:07,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:07" (1/1) ... [2021-11-23 15:45:07,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:07,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:08,092 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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101] [2021-11-23 15:45:08,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:08,135 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:08,243 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_5237c8a1-c2de-42a5-ba86-e7d0e4786257/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101] [2021-11-23 15:45:08,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:08,264 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:08,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08 WrapperNode [2021-11-23 15:45:08,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:08,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:08,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:08,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:08,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,353 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2021-11-23 15:45:08,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:08,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:08,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:08,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:08,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:08,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:08,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:08,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:08,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:08" (1/1) ... [2021-11-23 15:45:08,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:08,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:08,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:08,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:08,617 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:08,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:09,883 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:09,922 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 15:45:09,927 INFO L158 Benchmark]: Toolchain (without parser) took 2395.01ms. Allocated memory was 52.4MB in the beginning and 92.3MB in the end (delta: 39.8MB). Free memory was 26.9MB in the beginning and 46.0MB in the end (delta: -19.2MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-23 15:45:09,928 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:09,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.12ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.7MB in the beginning and 47.2MB in the end (delta: -20.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-23 15:45:09,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.55ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 41.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:09,931 INFO L158 Benchmark]: Boogie Preprocessor took 62.28ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 36.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:45:09,932 INFO L158 Benchmark]: RCFGBuilder took 1508.27ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 36.8MB in the beginning and 46.0MB in the end (delta: -9.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 15:45:09,935 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 52.4MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.12ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.7MB in the beginning and 47.2MB in the end (delta: -20.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.55ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 41.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.28ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 36.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1508.27ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 36.8MB in the beginning and 46.0MB in the end (delta: -9.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:45:09,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237c8a1-c2de-42a5-ba86-e7d0e4786257/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable