./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label46.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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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 869c8b294dbca13cd3f0252ddf073cd820ebe9d4fb79b7e105ca166b55027b3f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:47,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:47,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:47,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:47,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:47,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:47,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:47,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:47,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:47,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:47,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:47,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:47,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:47,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:47,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:47,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:47,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:47,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:47,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:47,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:47,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:47,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:47,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:47,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:47,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:47,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:47,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:47,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:47,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:47,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:47,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:47,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:47,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:47,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:47,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:47,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:47,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:47,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:47,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:47,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:47,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:47,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:47,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:47,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:47,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:47,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:47,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:47,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:47,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:47,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:47,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:47,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:47,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:47,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:47,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:47,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:47,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:47,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:47,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:47,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:47,924 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:47,925 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:47,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:47,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:47,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:47,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:47,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:47,926 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:47,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:47,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:47,927 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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 869c8b294dbca13cd3f0252ddf073cd820ebe9d4fb79b7e105ca166b55027b3f [2021-11-23 15:57:48,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:48,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:48,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:48,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:48,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:48,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label46.c [2021-11-23 15:57:48,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/4549daed6/0f7fc086f9e9407cb07409eccccf2455/FLAGcc2233f5c [2021-11-23 15:57:52,366 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:52,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/sv-benchmarks/c/eca-programs/Problem102_label46.c [2021-11-23 15:57:52,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/4549daed6/0f7fc086f9e9407cb07409eccccf2455/FLAGcc2233f5c [2021-11-23 15:57:52,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/4549daed6/0f7fc086f9e9407cb07409eccccf2455 [2021-11-23 15:57:52,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:52,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:52,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:52,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:52,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:52,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2000d82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:52, skipping insertion in model container [2021-11-23 15:57:52,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:54,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:20,108 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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/sv-benchmarks/c/eca-programs/Problem102_label46.c[5710029,5710042] [2021-11-23 15:58:20,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:20,253 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:33,763 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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/sv-benchmarks/c/eca-programs/Problem102_label46.c[5710029,5710042] [2021-11-23 15:58:33,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:38,315 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:38,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38 WrapperNode [2021-11-23 15:58:38,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:38,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:38,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:38,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:38,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:39,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:44,397 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 15:58:44,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:44,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:44,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:44,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:44,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:44,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:46,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:46,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:48,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:49,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:49,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:50,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:50,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:50,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:50,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:50,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:50,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:50,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:50,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:50,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:50,999 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:51,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:59,249 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:59,479 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 15:59:59,483 INFO L158 Benchmark]: Toolchain (without parser) took 126577.88ms. Allocated memory was 457.2MB in the beginning and 12.0GB in the end (delta: 11.6GB). Free memory was 193.1MB in the beginning and 8.3GB in the end (delta: -8.1GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:59:59,484 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:59,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 45387.60ms. Allocated memory was 457.2MB in the beginning and 6.6GB in the end (delta: 6.1GB). Free memory was 214.1MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2021-11-23 15:59:59,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 6081.52ms. Allocated memory is still 6.6GB. Free memory was 4.6GB in the beginning and 4.0GB in the end (delta: 680.0MB). Peak memory consumption was 710.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:59,488 INFO L158 Benchmark]: Boogie Preprocessor took 6246.99ms. Allocated memory was 6.6GB in the beginning and 9.1GB in the end (delta: 2.5GB). Free memory was 4.0GB in the beginning and 6.0GB in the end (delta: -2.1GB). Peak memory consumption was 618.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:59,489 INFO L158 Benchmark]: RCFGBuilder took 68835.07ms. Allocated memory was 9.1GB in the beginning and 12.0GB in the end (delta: 2.9GB). Free memory was 6.0GB in the beginning and 8.3GB in the end (delta: -2.3GB). Peak memory consumption was 898.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:59,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 45387.60ms. Allocated memory was 457.2MB in the beginning and 6.6GB in the end (delta: 6.1GB). Free memory was 214.1MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6081.52ms. Allocated memory is still 6.6GB. Free memory was 4.6GB in the beginning and 4.0GB in the end (delta: 680.0MB). Peak memory consumption was 710.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6246.99ms. Allocated memory was 6.6GB in the beginning and 9.1GB in the end (delta: 2.5GB). Free memory was 4.0GB in the beginning and 6.0GB in the end (delta: -2.1GB). Peak memory consumption was 618.7MB. Max. memory is 16.1GB. * RCFGBuilder took 68835.07ms. Allocated memory was 9.1GB in the beginning and 12.0GB in the end (delta: 2.9GB). Free memory was 6.0GB in the beginning and 8.3GB in the end (delta: -2.3GB). Peak memory consumption was 898.6MB. 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 15:59:59,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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 869c8b294dbca13cd3f0252ddf073cd820ebe9d4fb79b7e105ca166b55027b3f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:00:02,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:00:02,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:00:02,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:00:02,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:00:02,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:00:02,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:00:02,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:00:02,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:00:02,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:00:02,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:00:02,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:00:02,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:00:02,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:00:02,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:00:02,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:00:02,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:00:02,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:00:02,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:00:02,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:00:02,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:00:02,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:00:02,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:00:02,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:00:02,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:00:02,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:00:02,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:00:02,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:00:02,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:00:02,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:00:02,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:00:02,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:00:02,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:00:02,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:00:02,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:00:02,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:00:02,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:00:02,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:00:02,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:00:02,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:00:02,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:00:02,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 16:00:02,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:00:02,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:00:02,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:00:02,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 16:00:02,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:00:02,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:00:02,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:00:02,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:00:02,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:00:02,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:00:02,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:00:02,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:00:02,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:00:02,155 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:00:02,156 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:00:02,156 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:00:02,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:00:02,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:00:02,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:00:02,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:00:02,157 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 16:00:02,157 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 16:00:02,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:00:02,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 16:00:02,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:00:02,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:00:02,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:00:02,159 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:00:02,159 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:00:02,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:00:02,159 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 16:00:02,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:00:02,160 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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 869c8b294dbca13cd3f0252ddf073cd820ebe9d4fb79b7e105ca166b55027b3f [2021-11-23 16:00:02,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:00:02,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:00:02,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:00:02,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:00:02,531 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:00:02,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label46.c [2021-11-23 16:00:02,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/1a4f4c915/da21be90a4844591afe0376718931f2d/FLAG38e76bb9b [2021-11-23 16:00:06,361 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:00:06,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/sv-benchmarks/c/eca-programs/Problem102_label46.c [2021-11-23 16:00:06,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/1a4f4c915/da21be90a4844591afe0376718931f2d/FLAG38e76bb9b [2021-11-23 16:00:07,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/data/1a4f4c915/da21be90a4844591afe0376718931f2d [2021-11-23 16:00:07,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:00:07,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:00:07,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:00:07,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:00:07,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:00:07,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:07" (1/1) ... [2021-11-23 16:00:07,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcb456c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:07, skipping insertion in model container [2021-11-23 16:00:07,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:07" (1/1) ... [2021-11-23 16:00:07,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:00:08,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:00:34,033 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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/sv-benchmarks/c/eca-programs/Problem102_label46.c[5710029,5710042] [2021-11-23 16:00:34,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:00:34,171 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:00:47,906 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_9a2e5f9f-20e7-45f8-a358-72b07f70f857/sv-benchmarks/c/eca-programs/Problem102_label46.c[5710029,5710042] [2021-11-23 16:00:47,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:00:52,081 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:00:52,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52 WrapperNode [2021-11-23 16:00:52,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:00:52,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:00:52,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:00:52,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:00:52,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:00:53,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:00:59,055 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 16:00:59,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:00:59,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:00:59,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:00:59,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:00:59,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:00:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:00:59,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:00:59,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:01:02,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:01:02,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:01:02,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:01:03,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:01:03,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:01:03,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:01:03,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:01:03,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:52" (1/1) ... [2021-11-23 16:01:03,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 16:01:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 16:01:03,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 16:01:03,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 16:01:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:01:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:01:03,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:01:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:01:03,918 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:01:03,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:02:34,765 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:02:34,999 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 16:02:35,004 INFO L158 Benchmark]: Toolchain (without parser) took 147939.46ms. Allocated memory was 618.7MB in the beginning and 12.1GB in the end (delta: 11.5GB). Free memory was 319.8MB in the beginning and 8.3GB in the end (delta: -8.0GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 16:02:35,004 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:02:35,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 45016.85ms. Allocated memory was 618.7MB in the beginning and 6.2GB in the end (delta: 5.6GB). Free memory was 318.7MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2021-11-23 16:02:35,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 6972.79ms. Allocated memory was 6.2GB in the beginning and 9.0GB in the end (delta: 2.8GB). Free memory was 4.2GB in the beginning and 6.4GB in the end (delta: -2.2GB). Peak memory consumption was 929.0MB. Max. memory is 16.1GB. [2021-11-23 16:02:35,007 INFO L158 Benchmark]: Boogie Preprocessor took 4580.84ms. Allocated memory is still 9.0GB. Free memory was 6.4GB in the beginning and 5.8GB in the end (delta: 625.0MB). Peak memory consumption was 643.8MB. Max. memory is 16.1GB. [2021-11-23 16:02:35,008 INFO L158 Benchmark]: RCFGBuilder took 91363.52ms. Allocated memory was 9.0GB in the beginning and 12.1GB in the end (delta: 3.1GB). Free memory was 5.8GB in the beginning and 8.3GB in the end (delta: -2.5GB). Peak memory consumption was 848.3MB. Max. memory is 16.1GB. [2021-11-23 16:02:35,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 45016.85ms. Allocated memory was 618.7MB in the beginning and 6.2GB in the end (delta: 5.6GB). Free memory was 318.7MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6972.79ms. Allocated memory was 6.2GB in the beginning and 9.0GB in the end (delta: 2.8GB). Free memory was 4.2GB in the beginning and 6.4GB in the end (delta: -2.2GB). Peak memory consumption was 929.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 4580.84ms. Allocated memory is still 9.0GB. Free memory was 6.4GB in the beginning and 5.8GB in the end (delta: 625.0MB). Peak memory consumption was 643.8MB. Max. memory is 16.1GB. * RCFGBuilder took 91363.52ms. Allocated memory was 9.0GB in the beginning and 12.1GB in the end (delta: 3.1GB). Free memory was 5.8GB in the beginning and 8.3GB in the end (delta: -2.5GB). Peak memory consumption was 848.3MB. 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 16:02:35,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a2e5f9f-20e7-45f8-a358-72b07f70f857/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