./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label08.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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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 378d32afaf44fa4cd7b6ddd1dae749d0f483f335a9b8ed5c1f981a9dbeb70574 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:44,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:44,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:44,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:44,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:44,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:44,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:44,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:44,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:44,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:44,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:44,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:44,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:44,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:44,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:44,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:44,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:44,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:44,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:44,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:44,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:44,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:44,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:44,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:44,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:44,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:44,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:44,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:44,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:44,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:44,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:44,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:44,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:44,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:44,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:44,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:44,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:44,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:44,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:44,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:44,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:44,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:44,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:44,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:44,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:44,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:44,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:44,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:44,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:44,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:44,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:44,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:44,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:44,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:44,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:44,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:44,235 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:44,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:44,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:44,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:44,236 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:44,236 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:44,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:44,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:44,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:44,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:44,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:44,237 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:44,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:44,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:44,238 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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378d32afaf44fa4cd7b6ddd1dae749d0f483f335a9b8ed5c1f981a9dbeb70574 [2021-11-23 15:53:44,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:44,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:44,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:44,548 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:44,549 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:44,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem11_label08.c [2021-11-23 15:53:44,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/3fc862397/80815d824fb64d7bbc0f2e2ad4ddf7dc/FLAGf25c7d9ad [2021-11-23 15:53:45,259 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:45,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/sv-benchmarks/c/eca-rers2012/Problem11_label08.c [2021-11-23 15:53:45,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/3fc862397/80815d824fb64d7bbc0f2e2ad4ddf7dc/FLAGf25c7d9ad [2021-11-23 15:53:45,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/3fc862397/80815d824fb64d7bbc0f2e2ad4ddf7dc [2021-11-23 15:53:45,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:45,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:45,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:45,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:45,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:45,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:45" (1/1) ... [2021-11-23 15:53:45,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e13727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:45, skipping insertion in model container [2021-11-23 15:53:45,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:45" (1/1) ... [2021-11-23 15:53:45,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:45,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:45,809 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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/sv-benchmarks/c/eca-rers2012/Problem11_label08.c[2283,2296] [2021-11-23 15:53:46,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:46,206 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:46,222 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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/sv-benchmarks/c/eca-rers2012/Problem11_label08.c[2283,2296] [2021-11-23 15:53:46,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:46,398 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:46,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46 WrapperNode [2021-11-23 15:53:46,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:46,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:46,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:46,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:46,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,602 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-23 15:53:46,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:46,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:46,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:46,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:46,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:46,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:46,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:46,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:46,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:46" (1/1) ... [2021-11-23 15:53:46,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:46,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:46,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:46,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:46,941 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:46,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:48,761 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:48,811 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 15:53:48,822 INFO L158 Benchmark]: Toolchain (without parser) took 3337.65ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 61.0MB in the beginning and 61.4MB in the end (delta: -356.2kB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:48,823 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:48,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.83ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 60.9MB in the beginning and 68.8MB in the end (delta: -7.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:48,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 202.70ms. Allocated memory is still 125.8MB. Free memory was 68.8MB in the beginning and 89.2MB in the end (delta: -20.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:48,827 INFO L158 Benchmark]: Boogie Preprocessor took 173.12ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 79.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:48,828 INFO L158 Benchmark]: RCFGBuilder took 2041.50ms. Allocated memory is still 125.8MB. Free memory was 79.5MB in the beginning and 61.4MB in the end (delta: 18.1MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:48,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.83ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 60.9MB in the beginning and 68.8MB in the end (delta: -7.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 202.70ms. Allocated memory is still 125.8MB. Free memory was 68.8MB in the beginning and 89.2MB in the end (delta: -20.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.12ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 79.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2041.50ms. Allocated memory is still 125.8MB. Free memory was 79.5MB in the beginning and 61.4MB in the end (delta: 18.1MB). Peak memory consumption was 54.2MB. 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 15:53:48,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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 378d32afaf44fa4cd7b6ddd1dae749d0f483f335a9b8ed5c1f981a9dbeb70574 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:51,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:51,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:51,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:51,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:51,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:51,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:51,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:51,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:51,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:51,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:51,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:51,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:51,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:51,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:51,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:51,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:51,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:51,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:51,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:51,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:51,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:51,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:51,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:51,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:51,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:51,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:51,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:51,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:51,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:51,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:51,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:51,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:51,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:51,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:51,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:51,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:51,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:51,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:51,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:51,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:51,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:51,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:51,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:51,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:51,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:51,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:51,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:51,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:51,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:51,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:51,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:51,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:51,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:51,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:51,539 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:51,540 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:51,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:51,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:51,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:51,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:51,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:51,541 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:51,541 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:51,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:51,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:51,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:51,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:51,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:51,543 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:51,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:51,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:51,543 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:51,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:51,544 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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378d32afaf44fa4cd7b6ddd1dae749d0f483f335a9b8ed5c1f981a9dbeb70574 [2021-11-23 15:53:51,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:51,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:51,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:51,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:51,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:51,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem11_label08.c [2021-11-23 15:53:52,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/ff6638d12/43ef8fb296244d1e8672ca4845052788/FLAG236990a06 [2021-11-23 15:53:52,708 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:52,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/sv-benchmarks/c/eca-rers2012/Problem11_label08.c [2021-11-23 15:53:52,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/ff6638d12/43ef8fb296244d1e8672ca4845052788/FLAG236990a06 [2021-11-23 15:53:52,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/data/ff6638d12/43ef8fb296244d1e8672ca4845052788 [2021-11-23 15:53:52,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:52,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:52,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:52,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:52,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:52,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:52" (1/1) ... [2021-11-23 15:53:52,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bc83f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:52, skipping insertion in model container [2021-11-23 15:53:52,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:52" (1/1) ... [2021-11-23 15:53:52,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:52,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:53,180 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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/sv-benchmarks/c/eca-rers2012/Problem11_label08.c[2283,2296] [2021-11-23 15:53:53,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:53,584 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:53,609 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_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/sv-benchmarks/c/eca-rers2012/Problem11_label08.c[2283,2296] [2021-11-23 15:53:53,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:53,863 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:53,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53 WrapperNode [2021-11-23 15:53:53,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:53,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:53,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:53,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:53,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:53,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:53,995 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 997 [2021-11-23 15:53:53,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:53,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:53,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:53,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:54,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:54,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:54,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:54,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:54,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:53" (1/1) ... [2021-11-23 15:53:54,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:54,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:54,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:54,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:54,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:54,315 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:54,318 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:02,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:02,578 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 15:54:02,592 INFO L158 Benchmark]: Toolchain (without parser) took 9691.28ms. Allocated memory was 65.0MB in the beginning and 117.4MB in the end (delta: 52.4MB). Free memory was 41.5MB in the beginning and 75.2MB in the end (delta: -33.7MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,593 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:02,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 962.30ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 41.3MB in the beginning and 59.1MB in the end (delta: -17.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.31ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 50.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,597 INFO L158 Benchmark]: Boogie Preprocessor took 138.77ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 43.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,598 INFO L158 Benchmark]: RCFGBuilder took 8451.96ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 43.6MB in the beginning and 75.2MB in the end (delta: -31.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-23 15:54:02,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 962.30ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 41.3MB in the beginning and 59.1MB in the end (delta: -17.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.31ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 50.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.77ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 43.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 8451.96ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 43.6MB in the beginning and 75.2MB in the end (delta: -31.6MB). Peak memory consumption was 27.9MB. 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 15:54:02,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_538c77cf-6b96-4c41-b9eb-1b86472a3d3c/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