./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label20.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_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/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_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/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_2bf06f8c-eca1-4878-8067-0bb36ca41024/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 2f1bf06c80189abb072a1fbfff954b30261511917db265e4488ed767b820bea3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:43,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:43,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:43,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:43,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:43,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:43,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:43,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:43,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:43,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:43,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:43,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:43,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:43,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:43,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:43,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:43,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:43,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:43,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:43,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:43,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:43,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:43,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:43,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:43,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:43,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:43,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:43,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:43,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:43,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:43,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:43,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:43,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:43,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:43,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:43,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:43,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:43,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:43,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:43,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:43,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:43,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:43,164 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:43,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:43,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:43,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:43,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:43,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:43,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:43,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:43,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:43,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:43,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:43,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:43,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:43,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:43,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:43,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:43,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:43,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:43,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:43,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:43,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:43,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:43,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:43,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:43,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:43,187 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:43,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:43,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:43,188 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_2bf06f8c-eca1-4878-8067-0bb36ca41024/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1bf06c80189abb072a1fbfff954b30261511917db265e4488ed767b820bea3 [2021-11-23 15:04:43,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:43,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:43,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:43,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:43,542 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:43,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label20.c [2021-11-23 15:04:43,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/bfdf8a286/720626fe681c47aaaed5036210bd0384/FLAGa76b2d18a [2021-11-23 15:04:48,245 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:48,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/sv-benchmarks/c/eca-programs/Problem102_label20.c [2021-11-23 15:04:48,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/bfdf8a286/720626fe681c47aaaed5036210bd0384/FLAGa76b2d18a [2021-11-23 15:04:48,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/bfdf8a286/720626fe681c47aaaed5036210bd0384 [2021-11-23 15:04:48,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:48,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:48,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:48,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:48,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:48,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:49,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721abd49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:49, skipping insertion in model container [2021-11-23 15:04:49,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:49,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:50,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:18,546 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_2bf06f8c-eca1-4878-8067-0bb36ca41024/sv-benchmarks/c/eca-programs/Problem102_label20.c[5711549,5711562] [2021-11-23 15:05:18,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:18,679 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:32,518 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_2bf06f8c-eca1-4878-8067-0bb36ca41024/sv-benchmarks/c/eca-programs/Problem102_label20.c[5711549,5711562] [2021-11-23 15:05:32,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:37,209 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:37,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37 WrapperNode [2021-11-23 15:05:37,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:37,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:37,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:37,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:37,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:43,493 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 15:05:43,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:43,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:43,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:43,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:43,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:43,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:44,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:44,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:47,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:47,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:47,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:48,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:48,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:48,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:48,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:48,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:48,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:48,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:48,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:48,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:49,047 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:49,062 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:07:01,927 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:07:02,162 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 15:07:02,169 INFO L158 Benchmark]: Toolchain (without parser) took 133175.77ms. Allocated memory was 1.0GB in the beginning and 12.0GB in the end (delta: 11.0GB). Free memory was 738.1MB in the beginning and 8.0GB in the end (delta: -7.3GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:07:02,170 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:07:02,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 48216.63ms. Allocated memory was 1.0GB in the beginning and 5.0GB in the end (delta: 4.0GB). Free memory was 737.5MB in the beginning and 3.0GB in the end (delta: -2.2GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2021-11-23 15:07:02,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 6282.91ms. Allocated memory was 5.0GB in the beginning and 7.5GB in the end (delta: 2.5GB). Free memory was 3.0GB in the beginning and 4.9GB in the end (delta: -1.9GB). Peak memory consumption was 833.6MB. Max. memory is 16.1GB. [2021-11-23 15:07:02,174 INFO L158 Benchmark]: Boogie Preprocessor took 5186.35ms. Allocated memory was 7.5GB in the beginning and 10.4GB in the end (delta: 3.0GB). Free memory was 4.9GB in the beginning and 7.4GB in the end (delta: -2.5GB). Peak memory consumption was 658.5MB. Max. memory is 16.1GB. [2021-11-23 15:07:02,175 INFO L158 Benchmark]: RCFGBuilder took 73485.02ms. Allocated memory was 10.4GB in the beginning and 12.0GB in the end (delta: 1.6GB). Free memory was 7.4GB in the beginning and 8.0GB in the end (delta: -650.1MB). Peak memory consumption was 940.6MB. Max. memory is 16.1GB. [2021-11-23 15:07:02,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 48216.63ms. Allocated memory was 1.0GB in the beginning and 5.0GB in the end (delta: 4.0GB). Free memory was 737.5MB in the beginning and 3.0GB in the end (delta: -2.2GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6282.91ms. Allocated memory was 5.0GB in the beginning and 7.5GB in the end (delta: 2.5GB). Free memory was 3.0GB in the beginning and 4.9GB in the end (delta: -1.9GB). Peak memory consumption was 833.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5186.35ms. Allocated memory was 7.5GB in the beginning and 10.4GB in the end (delta: 3.0GB). Free memory was 4.9GB in the beginning and 7.4GB in the end (delta: -2.5GB). Peak memory consumption was 658.5MB. Max. memory is 16.1GB. * RCFGBuilder took 73485.02ms. Allocated memory was 10.4GB in the beginning and 12.0GB in the end (delta: 1.6GB). Free memory was 7.4GB in the beginning and 8.0GB in the end (delta: -650.1MB). Peak memory consumption was 940.6MB. 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 15:07:02,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/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_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/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_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/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_2bf06f8c-eca1-4878-8067-0bb36ca41024/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 2f1bf06c80189abb072a1fbfff954b30261511917db265e4488ed767b820bea3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:07:05,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:07:05,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:07:05,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:07:05,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:07:05,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:07:05,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:07:05,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:07:05,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:07:05,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:07:05,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:07:05,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:07:05,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:07:05,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:07:05,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:07:05,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:07:05,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:07:05,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:07:05,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:07:05,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:07:05,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:07:05,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:07:05,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:07:05,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:07:05,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:07:05,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:07:05,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:07:05,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:07:05,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:07:05,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:07:05,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:07:05,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:07:05,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:07:05,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:07:05,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:07:05,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:07:05,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:07:05,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:07:05,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:07:05,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:07:05,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:07:05,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:07:05,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:07:05,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:07:05,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:07:05,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:07:05,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:07:05,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:07:05,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:07:05,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:07:05,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:07:05,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:07:05,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:07:05,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:07:05,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:07:05,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:07:05,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:07:05,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:07:05,637 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:07:05,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:07:05,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:07:05,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:07:05,637 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:07:05,638 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:07:05,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:07:05,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:07:05,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:07:05,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:07:05,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:07:05,639 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:07:05,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:07:05,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:07:05,639 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:07:05,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:07:05,640 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_2bf06f8c-eca1-4878-8067-0bb36ca41024/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1bf06c80189abb072a1fbfff954b30261511917db265e4488ed767b820bea3 [2021-11-23 15:07:06,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:07:06,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:07:06,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:07:06,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:07:06,102 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:07:06,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label20.c [2021-11-23 15:07:06,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/c33effe90/c06130cdb8d44f80b4e254ee86c5f156/FLAGbcc35551e [2021-11-23 15:07:11,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:07:11,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/sv-benchmarks/c/eca-programs/Problem102_label20.c [2021-11-23 15:07:11,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/c33effe90/c06130cdb8d44f80b4e254ee86c5f156/FLAGbcc35551e [2021-11-23 15:07:12,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/data/c33effe90/c06130cdb8d44f80b4e254ee86c5f156 [2021-11-23 15:07:12,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:07:12,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:07:12,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:07:12,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:07:12,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:07:12,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:12" (1/1) ... [2021-11-23 15:07:12,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6785d49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:12, skipping insertion in model container [2021-11-23 15:07:12,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:12" (1/1) ... [2021-11-23 15:07:12,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:07:14,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:07:42,406 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_2bf06f8c-eca1-4878-8067-0bb36ca41024/sv-benchmarks/c/eca-programs/Problem102_label20.c[5711549,5711562] [2021-11-23 15:07:42,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:07:42,552 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:07:57,675 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_2bf06f8c-eca1-4878-8067-0bb36ca41024/sv-benchmarks/c/eca-programs/Problem102_label20.c[5711549,5711562] [2021-11-23 15:07:57,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:08:02,735 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:08:02,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02 WrapperNode [2021-11-23 15:08:02,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:08:02,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:08:02,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:08:02,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:08:02,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:04,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:09,669 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 15:08:09,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:08:09,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:08:09,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:08:09,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:08:09,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:09,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:10,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:10,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:13,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:14,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:15,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:16,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:08:16,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:08:16,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:08:16,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:08:16,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:02" (1/1) ... [2021-11-23 15:08:16,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:08:16,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:08:16,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:08:16,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:08:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:08:16,863 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:08:16,865 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:10:12,278 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:10:12,542 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 15:10:12,548 INFO L158 Benchmark]: Toolchain (without parser) took 180380.07ms. Allocated memory was 912.3MB in the beginning and 12.3GB in the end (delta: 11.4GB). Free memory was 594.8MB in the beginning and 8.5GB in the end (delta: -7.9GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:10:12,549 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:10:12,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 50567.71ms. Allocated memory was 912.3MB in the beginning and 6.8GB in the end (delta: 5.8GB). Free memory was 594.8MB in the beginning and 4.8GB in the end (delta: -4.2GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-11-23 15:10:12,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 6932.39ms. Allocated memory was 6.8GB in the beginning and 9.7GB in the end (delta: 2.9GB). Free memory was 4.8GB in the beginning and 7.0GB in the end (delta: -2.2GB). Peak memory consumption was 745.5MB. Max. memory is 16.1GB. [2021-11-23 15:10:12,553 INFO L158 Benchmark]: Boogie Preprocessor took 6803.34ms. Allocated memory is still 9.7GB. Free memory was 7.0GB in the beginning and 6.6GB in the end (delta: 410.0MB). Peak memory consumption was 760.2MB. Max. memory is 16.1GB. [2021-11-23 15:10:12,554 INFO L158 Benchmark]: RCFGBuilder took 116071.30ms. Allocated memory was 9.7GB in the beginning and 12.3GB in the end (delta: 2.6GB). Free memory was 6.6GB in the beginning and 8.5GB in the end (delta: -1.9GB). Peak memory consumption was 994.1MB. Max. memory is 16.1GB. [2021-11-23 15:10:12,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 50567.71ms. Allocated memory was 912.3MB in the beginning and 6.8GB in the end (delta: 5.8GB). Free memory was 594.8MB in the beginning and 4.8GB in the end (delta: -4.2GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6932.39ms. Allocated memory was 6.8GB in the beginning and 9.7GB in the end (delta: 2.9GB). Free memory was 4.8GB in the beginning and 7.0GB in the end (delta: -2.2GB). Peak memory consumption was 745.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6803.34ms. Allocated memory is still 9.7GB. Free memory was 7.0GB in the beginning and 6.6GB in the end (delta: 410.0MB). Peak memory consumption was 760.2MB. Max. memory is 16.1GB. * RCFGBuilder took 116071.30ms. Allocated memory was 9.7GB in the beginning and 12.3GB in the end (delta: 2.6GB). Free memory was 6.6GB in the beginning and 8.5GB in the end (delta: -1.9GB). Peak memory consumption was 994.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:10:12,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf06f8c-eca1-4878-8067-0bb36ca41024/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable