./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label21.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_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/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_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/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_73a37352-6cd8-44d9-adda-8a916542b9c2/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 7fc08bc6eca06c500d742b65350dc2aa3c19e672662fd614514fbc6bd34af0fd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:40,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:40,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:41,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:41,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:41,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:41,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:41,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:41,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:41,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:41,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:41,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:41,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:41,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:41,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:41,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:41,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:41,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:41,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:41,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:41,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:41,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:41,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:41,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:41,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:41,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:41,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:41,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:41,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:41,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:41,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:41,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:41,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:41,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:41,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:41,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:41,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:41,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:41,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:41,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:41,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:41,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:41,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:41,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:41,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:41,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:41,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:41,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:41,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:41,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:41,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:41,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:41,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:41,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:41,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:41,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:41,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:41,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:41,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:41,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:41,174 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:41,175 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:41,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:41,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:41,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:41,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:41,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:41,176 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:41,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:41,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:41,177 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_73a37352-6cd8-44d9-adda-8a916542b9c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fc08bc6eca06c500d742b65350dc2aa3c19e672662fd614514fbc6bd34af0fd [2021-11-23 15:51:41,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:41,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:41,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:41,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:41,498 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:41,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2021-11-23 15:51:41,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/50d061a71/d257b155eacc48e49ee56322c0f8d2ba/FLAG84707fbe4 [2021-11-23 15:51:42,131 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:42,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2021-11-23 15:51:42,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/50d061a71/d257b155eacc48e49ee56322c0f8d2ba/FLAG84707fbe4 [2021-11-23 15:51:42,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/50d061a71/d257b155eacc48e49ee56322c0f8d2ba [2021-11-23 15:51:42,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:42,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:42,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:42,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:42,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:42,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:42" (1/1) ... [2021-11-23 15:51:42,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ac0aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:42, skipping insertion in model container [2021-11-23 15:51:42,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:42" (1/1) ... [2021-11-23 15:51:42,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:42,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:42,868 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_73a37352-6cd8-44d9-adda-8a916542b9c2/sv-benchmarks/c/eca-rers2012/Problem01_label21.c[15876,15889] [2021-11-23 15:51:42,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:42,943 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:43,083 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_73a37352-6cd8-44d9-adda-8a916542b9c2/sv-benchmarks/c/eca-rers2012/Problem01_label21.c[15876,15889] [2021-11-23 15:51:43,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:43,132 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:43,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43 WrapperNode [2021-11-23 15:51:43,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:43,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:43,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:43,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:43,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,249 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 15:51:43,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:43,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:43,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:43,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:43,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:43,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:43,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:43,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:43,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:43" (1/1) ... [2021-11-23 15:51:43,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:43,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:43,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:43,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:43,559 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:43,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:44,589 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:44,635 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 15:51:44,640 INFO L158 Benchmark]: Toolchain (without parser) took 2229.61ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 62.9MB in the beginning and 97.5MB in the end (delta: -34.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:44,641 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 81.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:44,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.50ms. Allocated memory is still 107.0MB. Free memory was 62.7MB in the beginning and 63.9MB in the end (delta: -1.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:44,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.38ms. Allocated memory is still 107.0MB. Free memory was 63.9MB in the beginning and 58.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:44,644 INFO L158 Benchmark]: Boogie Preprocessor took 107.29ms. Allocated memory is still 107.0MB. Free memory was 58.3MB in the beginning and 54.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:44,645 INFO L158 Benchmark]: RCFGBuilder took 1270.72ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 53.7MB in the beginning and 97.5MB in the end (delta: -43.8MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:44,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 81.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.50ms. Allocated memory is still 107.0MB. Free memory was 62.7MB in the beginning and 63.9MB in the end (delta: -1.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.38ms. Allocated memory is still 107.0MB. Free memory was 63.9MB in the beginning and 58.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.29ms. Allocated memory is still 107.0MB. Free memory was 58.3MB in the beginning and 54.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1270.72ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 53.7MB in the beginning and 97.5MB in the end (delta: -43.8MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:44,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/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_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/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_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/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_73a37352-6cd8-44d9-adda-8a916542b9c2/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 7fc08bc6eca06c500d742b65350dc2aa3c19e672662fd614514fbc6bd34af0fd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:47,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:47,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:47,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:47,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:47,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:47,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:47,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:47,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:47,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:47,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:47,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:47,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:47,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:47,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:47,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:47,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:47,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:47,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:47,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:47,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:47,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:47,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:47,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:47,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:47,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:47,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:47,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:47,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:47,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:47,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:47,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:47,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:47,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:47,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:47,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:47,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:47,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:47,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:47,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:47,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:47,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:47,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:47,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:47,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:47,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:47,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:47,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:47,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:47,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:47,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:47,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:47,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:47,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:47,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:47,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:47,310 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:47,310 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:47,310 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:47,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:47,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:47,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:47,311 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:47,311 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:47,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:47,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:47,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:47,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:47,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:47,313 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:47,313 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:47,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:47,313 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:47,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:47,314 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_73a37352-6cd8-44d9-adda-8a916542b9c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fc08bc6eca06c500d742b65350dc2aa3c19e672662fd614514fbc6bd34af0fd [2021-11-23 15:51:47,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:47,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:47,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:47,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:47,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:47,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2021-11-23 15:51:47,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/8b699bd19/5f1a06deac984ec590950c08cfaf76ff/FLAGd72c1a647 [2021-11-23 15:51:48,453 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:48,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2021-11-23 15:51:48,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/8b699bd19/5f1a06deac984ec590950c08cfaf76ff/FLAGd72c1a647 [2021-11-23 15:51:48,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/data/8b699bd19/5f1a06deac984ec590950c08cfaf76ff [2021-11-23 15:51:48,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:48,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:48,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:48,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:48,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:48,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:48" (1/1) ... [2021-11-23 15:51:48,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a22126d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:48, skipping insertion in model container [2021-11-23 15:51:48,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:48" (1/1) ... [2021-11-23 15:51:48,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:48,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:49,239 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_73a37352-6cd8-44d9-adda-8a916542b9c2/sv-benchmarks/c/eca-rers2012/Problem01_label21.c[15876,15889] [2021-11-23 15:51:49,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:49,299 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:49,365 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_73a37352-6cd8-44d9-adda-8a916542b9c2/sv-benchmarks/c/eca-rers2012/Problem01_label21.c[15876,15889] [2021-11-23 15:51:49,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:49,414 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:49,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49 WrapperNode [2021-11-23 15:51:49,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:49,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:49,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:49,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:49,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,524 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2021-11-23 15:51:49,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:49,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:49,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:49,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:49,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:49,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:49,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:49,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:49,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:49,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:49,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:49,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:49,865 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:49,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:51,066 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:51,126 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 15:51:51,134 INFO L158 Benchmark]: Toolchain (without parser) took 2422.87ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 42.7MB in the beginning and 58.6MB in the end (delta: -15.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 15:51:51,135 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:51,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.38ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 45.0MB in the end (delta: -2.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 15:51:51,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.68ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 39.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:51,138 INFO L158 Benchmark]: Boogie Preprocessor took 127.60ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 58.2MB in the end (delta: -19.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 15:51:51,139 INFO L158 Benchmark]: RCFGBuilder took 1476.09ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 58.2MB in the beginning and 58.6MB in the end (delta: -418.0kB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:51,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.38ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 45.0MB in the end (delta: -2.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.68ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 39.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.60ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 58.2MB in the end (delta: -19.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1476.09ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 58.2MB in the beginning and 58.6MB in the end (delta: -418.0kB). Peak memory consumption was 36.8MB. 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 15:51:51,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a37352-6cd8-44d9-adda-8a916542b9c2/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