./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label55.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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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 50921c5702a81da917e01e0920511a5fcee860f95e65c9b143e9c121c910841b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:22,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:22,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:22,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:22,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:22,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:22,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:22,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:22,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:22,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:22,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:22,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:22,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:22,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:22,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:22,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:22,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:22,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:22,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:22,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:22,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:22,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:22,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:22,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:22,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:22,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:22,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:22,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:22,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:22,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:22,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:22,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:22,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:22,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:22,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:22,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:22,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:22,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:22,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:22,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:22,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:22,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:42:22,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:22,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:22,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:22,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:22,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:22,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:22,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:22,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:22,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:22,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:22,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:22,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:22,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:22,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:22,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:22,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:22,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:22,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:22,219 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:22,219 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:22,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:22,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:22,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:22,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:22,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:22,220 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:42:22,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:42:22,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:22,221 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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50921c5702a81da917e01e0920511a5fcee860f95e65c9b143e9c121c910841b [2021-11-23 15:42:22,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:22,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:22,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:22,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:22,519 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:22,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label55.c [2021-11-23 15:42:22,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/ffe9a7f6e/fab06f0e87a9466ea587083eb591a9c9/FLAG0e7dbc523 [2021-11-23 15:42:25,942 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:25,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/sv-benchmarks/c/eca-programs/Problem102_label55.c [2021-11-23 15:42:26,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/ffe9a7f6e/fab06f0e87a9466ea587083eb591a9c9/FLAG0e7dbc523 [2021-11-23 15:42:26,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/ffe9a7f6e/fab06f0e87a9466ea587083eb591a9c9 [2021-11-23 15:42:26,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:26,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:26,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:26,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:26,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:26,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:26" (1/1) ... [2021-11-23 15:42:26,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120158bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26, skipping insertion in model container [2021-11-23 15:42:26,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:26" (1/1) ... [2021-11-23 15:42:26,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:28,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:55,425 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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/sv-benchmarks/c/eca-programs/Problem102_label55.c[5708174,5708187] [2021-11-23 15:42:55,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:55,572 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:10,093 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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/sv-benchmarks/c/eca-programs/Problem102_label55.c[5708174,5708187] [2021-11-23 15:43:10,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:14,780 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:14,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14 WrapperNode [2021-11-23 15:43:14,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:14,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:14,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:14,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:14,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:16,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:20,951 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 15:43:20,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:20,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:20,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:20,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:20,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:20,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:21,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:21,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:24,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:24,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:25,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:26,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:26,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:26,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:26,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:26,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:26,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:26,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:26,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:26,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:43:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:26,731 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:26,733 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:32,684 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:44:33,088 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 15:44:33,099 INFO L158 Benchmark]: Toolchain (without parser) took 126155.08ms. Allocated memory was 713.0MB in the beginning and 11.8GB in the end (delta: 11.1GB). Free memory was 512.5MB in the beginning and 8.4GB in the end (delta: -7.9GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:44:33,100 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:33,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 47839.05ms. Allocated memory was 713.0MB in the beginning and 5.9GB in the end (delta: 5.2GB). Free memory was 512.5MB in the beginning and 4.0GB in the end (delta: -3.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2021-11-23 15:44:33,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 6170.45ms. Allocated memory was 5.9GB in the beginning and 8.4GB in the end (delta: 2.5GB). Free memory was 4.0GB in the beginning and 5.9GB in the end (delta: -1.9GB). Peak memory consumption was 880.8MB. Max. memory is 16.1GB. [2021-11-23 15:44:33,105 INFO L158 Benchmark]: Boogie Preprocessor took 5408.18ms. Allocated memory is still 8.4GB. Free memory was 5.9GB in the beginning and 5.5GB in the end (delta: 466.6MB). Peak memory consumption was 767.6MB. Max. memory is 16.1GB. [2021-11-23 15:44:33,107 INFO L158 Benchmark]: RCFGBuilder took 66729.66ms. Allocated memory was 8.4GB in the beginning and 11.8GB in the end (delta: 3.4GB). Free memory was 5.5GB in the beginning and 8.4GB in the end (delta: -2.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-11-23 15:44:33,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 47839.05ms. Allocated memory was 713.0MB in the beginning and 5.9GB in the end (delta: 5.2GB). Free memory was 512.5MB in the beginning and 4.0GB in the end (delta: -3.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6170.45ms. Allocated memory was 5.9GB in the beginning and 8.4GB in the end (delta: 2.5GB). Free memory was 4.0GB in the beginning and 5.9GB in the end (delta: -1.9GB). Peak memory consumption was 880.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5408.18ms. Allocated memory is still 8.4GB. Free memory was 5.9GB in the beginning and 5.5GB in the end (delta: 466.6MB). Peak memory consumption was 767.6MB. Max. memory is 16.1GB. * RCFGBuilder took 66729.66ms. Allocated memory was 8.4GB in the beginning and 11.8GB in the end (delta: 3.4GB). Free memory was 5.5GB in the beginning and 8.4GB in the end (delta: -2.9GB). Peak memory consumption was 1.0GB. 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 15:44:33,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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 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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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 50921c5702a81da917e01e0920511a5fcee860f95e65c9b143e9c121c910841b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:35,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:35,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:35,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:35,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:35,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:35,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:35,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:35,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:35,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:35,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:35,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:35,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:35,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:35,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:35,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:35,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:35,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:35,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:35,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:35,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:35,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:35,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:35,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:35,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:35,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:35,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:35,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:35,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:35,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:35,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:35,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:35,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:35,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:35,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:35,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:35,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:35,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:35,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:35,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:35,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:35,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:44:35,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:35,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:35,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:35,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:35,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:35,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:35,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:35,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:35,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:35,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:35,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:35,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:35,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:35,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:44:35,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:44:35,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:44:35,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:35,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:35,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:35,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:35,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:35,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:35,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:35,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:35,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:35,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:35,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:35,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:44:35,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:44:35,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:35,889 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:44:35,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:44:35,889 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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50921c5702a81da917e01e0920511a5fcee860f95e65c9b143e9c121c910841b [2021-11-23 15:44:36,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:36,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:36,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:36,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:36,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:36,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label55.c [2021-11-23 15:44:36,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/5597da518/519a9c877377420cb3be9b6b52a0e267/FLAGe816725d2 [2021-11-23 15:44:40,283 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:40,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/sv-benchmarks/c/eca-programs/Problem102_label55.c [2021-11-23 15:44:40,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/5597da518/519a9c877377420cb3be9b6b52a0e267/FLAGe816725d2 [2021-11-23 15:44:40,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/data/5597da518/519a9c877377420cb3be9b6b52a0e267 [2021-11-23 15:44:40,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:40,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:40,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:40,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:40,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:40,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:40" (1/1) ... [2021-11-23 15:44:40,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3203cbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:40, skipping insertion in model container [2021-11-23 15:44:40,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:40" (1/1) ... [2021-11-23 15:44:40,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:42,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:08,588 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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/sv-benchmarks/c/eca-programs/Problem102_label55.c[5708174,5708187] [2021-11-23 15:45:08,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:08,735 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:23,024 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_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/sv-benchmarks/c/eca-programs/Problem102_label55.c[5708174,5708187] [2021-11-23 15:45:23,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:27,312 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:27,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27 WrapperNode [2021-11-23 15:45:27,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:27,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:27,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:27,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:27,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:29,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:33,712 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 15:45:33,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:33,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:33,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:33,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:33,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:33,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:35,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:35,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:37,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:37,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:38,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:39,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:39,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:39,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:39,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:39,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:27" (1/1) ... [2021-11-23 15:45:39,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:39,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:39,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:39,407 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:39,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:21,461 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:21,710 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 15:47:21,719 INFO L158 Benchmark]: Toolchain (without parser) took 160853.35ms. Allocated memory was 1.1GB in the beginning and 12.8GB in the end (delta: 11.6GB). Free memory was 806.7MB in the beginning and 8.8GB in the end (delta: -8.0GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:47:21,720 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:21,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 46448.93ms. Allocated memory was 1.1GB in the beginning and 6.7GB in the end (delta: 5.6GB). Free memory was 806.7MB in the beginning and 4.7GB in the end (delta: -3.9GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2021-11-23 15:47:21,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 6398.21ms. Allocated memory was 6.7GB in the beginning and 10.2GB in the end (delta: 3.5GB). Free memory was 4.7GB in the beginning and 7.5GB in the end (delta: -2.8GB). Peak memory consumption was 708.8MB. Max. memory is 16.1GB. [2021-11-23 15:47:21,724 INFO L158 Benchmark]: Boogie Preprocessor took 5407.73ms. Allocated memory is still 10.2GB. Free memory was 7.5GB in the beginning and 7.1GB in the end (delta: 386.9MB). Peak memory consumption was 640.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:21,725 INFO L158 Benchmark]: RCFGBuilder took 102593.09ms. Allocated memory was 10.2GB in the beginning and 12.8GB in the end (delta: 2.6GB). Free memory was 7.1GB in the beginning and 8.8GB in the end (delta: -1.7GB). Peak memory consumption was 954.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:21,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 46448.93ms. Allocated memory was 1.1GB in the beginning and 6.7GB in the end (delta: 5.6GB). Free memory was 806.7MB in the beginning and 4.7GB in the end (delta: -3.9GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6398.21ms. Allocated memory was 6.7GB in the beginning and 10.2GB in the end (delta: 3.5GB). Free memory was 4.7GB in the beginning and 7.5GB in the end (delta: -2.8GB). Peak memory consumption was 708.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5407.73ms. Allocated memory is still 10.2GB. Free memory was 7.5GB in the beginning and 7.1GB in the end (delta: 386.9MB). Peak memory consumption was 640.7MB. Max. memory is 16.1GB. * RCFGBuilder took 102593.09ms. Allocated memory was 10.2GB in the beginning and 12.8GB in the end (delta: 2.6GB). Free memory was 7.1GB in the beginning and 8.8GB in the end (delta: -1.7GB). Peak memory consumption was 954.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:47:21,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de09ac3-c6ec-42c2-93de-7621e1d3ab2f/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