./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label52.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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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 9b9b067ad8e2d44c9809a0de66d0bd538384e911173071373d4228b2defc2aab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:04,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:04,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:04,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:04,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:04,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:04,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:04,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:04,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:04,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:04,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:04,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:04,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:04,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:04,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:04,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:04,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:04,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:04,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:04,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:04,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:04,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:04,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:04,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:04,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:04,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:04,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:04,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:04,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:04,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:04,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:04,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:04,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:04,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:04,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:04,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:04,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:04,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:04,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:04,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:04,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:04,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:34:04,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:04,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:04,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:04,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:04,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:04,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:04,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:04,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:34:04,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:34:04,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:34:04,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:04,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:04,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:04,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:04,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:34:04,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:04,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:04,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:04,312 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:04,313 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:04,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:04,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:04,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:04,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:04,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:04,315 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:34:04,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:34:04,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:04,316 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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b9b067ad8e2d44c9809a0de66d0bd538384e911173071373d4228b2defc2aab [2021-11-23 15:34:04,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:04,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:04,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:04,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:04,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:04,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2021-11-23 15:34:04,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/b7fa903ad/b13f566ae6dc44bf89549a78dd7f27d4/FLAG288bab204 [2021-11-23 15:34:06,041 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:06,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2021-11-23 15:34:06,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/b7fa903ad/b13f566ae6dc44bf89549a78dd7f27d4/FLAG288bab204 [2021-11-23 15:34:06,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/b7fa903ad/b13f566ae6dc44bf89549a78dd7f27d4 [2021-11-23 15:34:06,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:06,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:06,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:06,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:06,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:06,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:06" (1/1) ... [2021-11-23 15:34:06,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dabd208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:06, skipping insertion in model container [2021-11-23 15:34:06,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:06" (1/1) ... [2021-11-23 15:34:06,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:06,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:09,285 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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/sv-benchmarks/c/eca-rers2012/Problem06_label52.c[337051,337064] [2021-11-23 15:34:09,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:09,332 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:10,845 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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/sv-benchmarks/c/eca-rers2012/Problem06_label52.c[337051,337064] [2021-11-23 15:34:10,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:10,924 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:10,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10 WrapperNode [2021-11-23 15:34:10,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:10,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:10,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:10,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:10,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:11,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:11,618 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2021-11-23 15:34:11,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:11,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:11,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:11,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:11,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:11,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:11,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:11,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:12,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:12,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:12,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:12,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:12,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:12,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:12,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:12,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:10" (1/1) ... [2021-11-23 15:34:12,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:12,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:12,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:12,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:34:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:12,678 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:12,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:19,857 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:19,911 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 15:34:19,917 INFO L158 Benchmark]: Toolchain (without parser) took 13675.30ms. Allocated memory was 88.1MB in the beginning and 706.7MB in the end (delta: 618.7MB). Free memory was 44.3MB in the beginning and 399.9MB in the end (delta: -355.6MB). Peak memory consumption was 318.3MB. Max. memory is 16.1GB. [2021-11-23 15:34:19,918 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:19,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4680.75ms. Allocated memory was 88.1MB in the beginning and 220.2MB in the end (delta: 132.1MB). Free memory was 44.0MB in the beginning and 111.8MB in the end (delta: -67.8MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2021-11-23 15:34:19,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 692.54ms. Allocated memory is still 220.2MB. Free memory was 111.8MB in the beginning and 77.4MB in the end (delta: 34.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:19,921 INFO L158 Benchmark]: Boogie Preprocessor took 716.46ms. Allocated memory is still 220.2MB. Free memory was 77.4MB in the beginning and 60.1MB in the end (delta: 17.3MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2021-11-23 15:34:19,923 INFO L158 Benchmark]: RCFGBuilder took 7561.89ms. Allocated memory was 220.2MB in the beginning and 706.7MB in the end (delta: 486.5MB). Free memory was 59.5MB in the beginning and 399.9MB in the end (delta: -340.4MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:19,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4680.75ms. Allocated memory was 88.1MB in the beginning and 220.2MB in the end (delta: 132.1MB). Free memory was 44.0MB in the beginning and 111.8MB in the end (delta: -67.8MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 692.54ms. Allocated memory is still 220.2MB. Free memory was 111.8MB in the beginning and 77.4MB in the end (delta: 34.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 716.46ms. Allocated memory is still 220.2MB. Free memory was 77.4MB in the beginning and 60.1MB in the end (delta: 17.3MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * RCFGBuilder took 7561.89ms. Allocated memory was 220.2MB in the beginning and 706.7MB in the end (delta: 486.5MB). Free memory was 59.5MB in the beginning and 399.9MB in the end (delta: -340.4MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:34:19,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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 9b9b067ad8e2d44c9809a0de66d0bd538384e911173071373d4228b2defc2aab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:22,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:22,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:22,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:22,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:22,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:22,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:22,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:22,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:22,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:22,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:22,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:22,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:22,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:22,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:22,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:22,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:22,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:22,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:22,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:22,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:22,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:22,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:22,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:22,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:22,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:22,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:22,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:22,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:22,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:22,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:22,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:22,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:22,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:22,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:22,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:22,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:22,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:22,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:22,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:22,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:22,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:34:23,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:23,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:23,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:23,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:23,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:23,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:23,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:23,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:34:23,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:34:23,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:23,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:23,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:23,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:23,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:34:23,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:34:23,019 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:34:23,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:34:23,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:23,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:23,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:23,021 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:23,021 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:23,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:23,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:23,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:23,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:23,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:23,023 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:34:23,023 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:34:23,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:23,024 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:34:23,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:34:23,024 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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b9b067ad8e2d44c9809a0de66d0bd538384e911173071373d4228b2defc2aab [2021-11-23 15:34:23,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:23,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:23,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:23,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:23,565 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:23,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2021-11-23 15:34:23,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/0e763a313/dd58e261eeed488094cb247b4880c103/FLAG82a3c2145 [2021-11-23 15:34:24,947 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:24,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/sv-benchmarks/c/eca-rers2012/Problem06_label52.c [2021-11-23 15:34:25,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/0e763a313/dd58e261eeed488094cb247b4880c103/FLAG82a3c2145 [2021-11-23 15:34:25,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/data/0e763a313/dd58e261eeed488094cb247b4880c103 [2021-11-23 15:34:25,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:25,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:25,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:25,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:25,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:25,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:25" (1/1) ... [2021-11-23 15:34:25,109 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 03:34:25, skipping insertion in model container [2021-11-23 15:34:25,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:25" (1/1) ... [2021-11-23 15:34:25,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:25,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:28,192 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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/sv-benchmarks/c/eca-rers2012/Problem06_label52.c[337051,337064] [2021-11-23 15:34:28,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:28,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:29,834 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_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/sv-benchmarks/c/eca-rers2012/Problem06_label52.c[337051,337064] [2021-11-23 15:34:29,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:29,917 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:29,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29 WrapperNode [2021-11-23 15:34:29,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:29,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:29,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:29,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:29,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:30,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:30,628 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10167 [2021-11-23 15:34:30,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:30,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:30,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:30,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:30,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:30,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:30,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:30,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:31,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:31,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:31,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:31,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:31,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:31,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:31,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:31,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:31,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:31,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:31,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:31,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:34:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:31,800 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:31,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:42,754 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:42,839 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 15:34:42,845 INFO L158 Benchmark]: Toolchain (without parser) took 17743.56ms. Allocated memory was 69.2MB in the beginning and 1.0GB in the end (delta: 937.4MB). Free memory was 31.4MB in the beginning and 807.7MB in the end (delta: -776.3MB). Peak memory consumption was 363.5MB. Max. memory is 16.1GB. [2021-11-23 15:34:42,846 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:42,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4817.96ms. Allocated memory was 69.2MB in the beginning and 176.2MB in the end (delta: 107.0MB). Free memory was 31.2MB in the beginning and 73.2MB in the end (delta: -42.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2021-11-23 15:34:42,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 708.76ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 73.2MB in the beginning and 183.9MB in the end (delta: -110.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2021-11-23 15:34:42,849 INFO L158 Benchmark]: Boogie Preprocessor took 849.66ms. Allocated memory is still 314.6MB. Free memory was 183.9MB in the beginning and 180.7MB in the end (delta: 3.1MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:42,850 INFO L158 Benchmark]: RCFGBuilder took 11360.37ms. Allocated memory was 314.6MB in the beginning and 1.0GB in the end (delta: 692.1MB). Free memory was 180.7MB in the beginning and 807.7MB in the end (delta: -627.0MB). Peak memory consumption was 267.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:42,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4817.96ms. Allocated memory was 69.2MB in the beginning and 176.2MB in the end (delta: 107.0MB). Free memory was 31.2MB in the beginning and 73.2MB in the end (delta: -42.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 708.76ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 73.2MB in the beginning and 183.9MB in the end (delta: -110.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 849.66ms. Allocated memory is still 314.6MB. Free memory was 183.9MB in the beginning and 180.7MB in the end (delta: 3.1MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11360.37ms. Allocated memory was 314.6MB in the beginning and 1.0GB in the end (delta: 692.1MB). Free memory was 180.7MB in the beginning and 807.7MB in the end (delta: -627.0MB). Peak memory consumption was 267.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:34:42,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bbbe073-4937-4c0f-bc7c-362b437e1a5e/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