./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --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_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:34,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:34,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:34,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:34,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:34,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:34,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:34,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:34,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:34,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:34,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:34,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:34,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:34,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:34,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:34,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:34,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:34,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:34,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:34,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:34,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:34,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:34,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:34,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:34,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:34,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:34,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:34,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:34,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:34,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:34,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:34,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:34,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:34,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:34,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:34,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:34,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:34,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:34,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:34,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:34,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:34,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:50:34,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:34,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:34,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:34,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:34,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:34,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:34,269 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:34,269 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:34,270 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:34,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:50:34,271 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:34,272 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:34,272 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:50:34,273 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:50:34,273 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:34,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:50:34,274 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:50:34,274 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:50:34,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:34,276 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:34,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:50:34,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:34,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:34,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:34,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:34,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:34,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:34,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:34,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:34,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:34,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:34,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:34,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:34,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:34,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:34,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:34,284 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:50:34,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:50:34,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:34,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:34,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:34,285 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 [2021-11-23 16:50:34,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:34,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:34,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:34,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:34,702 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:34,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2021-11-23 16:50:34,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/bc0c7fea5/29b2f829057e454d81739cf6d2ee5bc4/FLAG7a2572d6f [2021-11-23 16:50:35,351 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:50:35,352 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2021-11-23 16:50:35,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/bc0c7fea5/29b2f829057e454d81739cf6d2ee5bc4/FLAG7a2572d6f [2021-11-23 16:50:35,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/bc0c7fea5/29b2f829057e454d81739cf6d2ee5bc4 [2021-11-23 16:50:35,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:50:35,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:50:35,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:35,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:50:35,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:50:35,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:35" (1/1) ... [2021-11-23 16:50:35,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e2588c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:35, skipping insertion in model container [2021-11-23 16:50:35,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:35" (1/1) ... [2021-11-23 16:50:35,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:50:35,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:35,912 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_1abee6db-56dc-44c9-8825-44ae809a39ab/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2021-11-23 16:50:36,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:36,085 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:36,097 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_1abee6db-56dc-44c9-8825-44ae809a39ab/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2021-11-23 16:50:36,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:36,164 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:36,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36 WrapperNode [2021-11-23 16:50:36,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:36,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:36,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:36,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:36,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,213 INFO L137 Inliner]: procedures = 165, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 97 [2021-11-23 16:50:36,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:36,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:36,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:36,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:36,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:36,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:36,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:36,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:36,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (1/1) ... [2021-11-23 16:50:36,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:36,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:36,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:36,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:36,365 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2021-11-23 16:50:36,366 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2021-11-23 16:50:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:50:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 16:50:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:50:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:50:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:50:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:36,369 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:50:36,531 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:36,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:50:36,791 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:50:36,801 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:50:36,802 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 16:50:36,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:36 BoogieIcfgContainer [2021-11-23 16:50:36,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:50:36,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:50:36,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:50:36,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:50:36,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:50:35" (1/3) ... [2021-11-23 16:50:36,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15198fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:36, skipping insertion in model container [2021-11-23 16:50:36,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:36" (2/3) ... [2021-11-23 16:50:36,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15198fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:36, skipping insertion in model container [2021-11-23 16:50:36,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:36" (3/3) ... [2021-11-23 16:50:36,814 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2021-11-23 16:50:36,820 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 16:50:36,820 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:50:36,821 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 16:50:36,821 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 16:50:36,878 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,878 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,878 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,879 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,879 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,879 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,880 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,880 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,880 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,881 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,881 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,881 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,882 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,882 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,882 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,882 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,883 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,883 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,883 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,883 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,884 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,884 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,884 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,884 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,885 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,885 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,886 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,886 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,886 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,887 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,887 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,887 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,887 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,888 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,888 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,888 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,888 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,889 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,889 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,889 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,889 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,890 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,890 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,890 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,890 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,891 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,891 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,891 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,892 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,892 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,893 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,893 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,893 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,894 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,894 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,894 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,894 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,895 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,895 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,895 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,895 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,896 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,896 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,896 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,896 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,897 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,897 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,897 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,898 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,898 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:36,899 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 16:50:36,904 INFO L158 Benchmark]: Toolchain (without parser) took 1257.24ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 51.8MB in the beginning and 86.4MB in the end (delta: -34.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 16:50:36,905 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:36,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.05ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 56.1MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:50:36,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.70ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 53.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:36,908 INFO L158 Benchmark]: Boogie Preprocessor took 45.11ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 52.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:36,909 INFO L158 Benchmark]: RCFGBuilder took 543.91ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 39.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:50:36,910 INFO L158 Benchmark]: TraceAbstraction took 95.89ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 86.4MB in the end (delta: -47.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 16:50:36,914 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 90.2MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.05ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 56.1MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.70ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 53.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.11ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 52.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.91ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 39.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 95.89ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 86.4MB in the end (delta: -47.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:50:36,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:39,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:39,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:39,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:39,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:39,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:39,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:39,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:39,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:39,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:39,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:39,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:39,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:39,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:39,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:39,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:39,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:39,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:39,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:39,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:39,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:39,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:39,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:39,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:39,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:39,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:39,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:39,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:39,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:39,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:39,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:39,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:39,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:39,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:39,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:39,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:39,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:39,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:39,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:39,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:39,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:39,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:50:40,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:40,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:40,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:40,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:40,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:40,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:40,039 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:40,039 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:40,039 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:40,040 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:40,040 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:40,040 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:40,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:40,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:40,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:40,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:40,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:40,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:40,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:40,043 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:50:40,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:50:40,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:50:40,044 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:40,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:40,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:40,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:40,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:40,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:50:40,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:40,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:40,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:40,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:40,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:40,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:50:40,048 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:50:40,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:40,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:40,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:40,049 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_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 [2021-11-23 16:50:40,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:40,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:40,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:40,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:40,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:40,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2021-11-23 16:50:40,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/62ff9b837/bfea6f81b44b4cbea099baf8a4fa16cf/FLAG8bcfd913f [2021-11-23 16:50:41,514 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:50:41,515 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2021-11-23 16:50:41,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/62ff9b837/bfea6f81b44b4cbea099baf8a4fa16cf/FLAG8bcfd913f [2021-11-23 16:50:41,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/data/62ff9b837/bfea6f81b44b4cbea099baf8a4fa16cf [2021-11-23 16:50:41,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:50:41,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:50:41,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:41,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:50:41,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:50:41,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:41" (1/1) ... [2021-11-23 16:50:41,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa5a9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:41, skipping insertion in model container [2021-11-23 16:50:41,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:41" (1/1) ... [2021-11-23 16:50:41,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:50:41,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:42,081 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_1abee6db-56dc-44c9-8825-44ae809a39ab/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2021-11-23 16:50:42,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:42,426 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:42,441 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_1abee6db-56dc-44c9-8825-44ae809a39ab/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2021-11-23 16:50:42,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:42,561 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:42,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42 WrapperNode [2021-11-23 16:50:42,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:42,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:42,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:42,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:42,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,634 INFO L137 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 95 [2021-11-23 16:50:42,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:42,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:42,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:42,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:42,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:42,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:42,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:42,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:42,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (1/1) ... [2021-11-23 16:50:42,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:42,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:42,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:42,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2021-11-23 16:50:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2021-11-23 16:50:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 16:50:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:50:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:50:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:50:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:50:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 16:50:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:42,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:42,849 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:50:43,032 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:43,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:50:43,395 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:50:43,406 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:50:43,410 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 16:50:43,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:43 BoogieIcfgContainer [2021-11-23 16:50:43,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:50:43,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:50:43,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:50:43,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:50:43,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:50:41" (1/3) ... [2021-11-23 16:50:43,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:43, skipping insertion in model container [2021-11-23 16:50:43,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:42" (2/3) ... [2021-11-23 16:50:43,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:43, skipping insertion in model container [2021-11-23 16:50:43,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:43" (3/3) ... [2021-11-23 16:50:43,429 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2021-11-23 16:50:43,437 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 16:50:43,437 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:50:43,438 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 16:50:43,438 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 16:50:43,510 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,511 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,511 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,512 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,514 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,515 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,515 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,516 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,517 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,527 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,528 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,528 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,528 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,529 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,529 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,529 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,529 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,530 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,530 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,530 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,531 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,531 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,531 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,532 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,532 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,534 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,535 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,535 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,536 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,536 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,537 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,537 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,537 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,538 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,539 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,539 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,539 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,543 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,544 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,544 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,545 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,545 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,545 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,546 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,547 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,547 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,547 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,548 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,548 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,548 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,549 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,550 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,550 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,551 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,551 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,551 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,552 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,552 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,552 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,553 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,553 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,554 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,555 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,556 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,557 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,557 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,557 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,558 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 16:50:43,559 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 16:50:43,569 INFO L158 Benchmark]: Toolchain (without parser) took 1814.47ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 33.6MB in the beginning and 50.4MB in the end (delta: -16.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 16:50:43,572 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:43,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.93ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 28.8MB in the end (delta: 4.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 16:50:43,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.85ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 26.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:43,576 INFO L158 Benchmark]: Boogie Preprocessor took 79.07ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 26.7MB in the beginning and 69.9MB in the end (delta: -43.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 16:50:43,577 INFO L158 Benchmark]: RCFGBuilder took 694.02ms. Allocated memory is still 88.1MB. Free memory was 69.9MB in the beginning and 57.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:50:43,578 INFO L158 Benchmark]: TraceAbstraction took 147.20ms. Allocated memory is still 88.1MB. Free memory was 56.7MB in the beginning and 50.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:50:43,591 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 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.93ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 28.8MB in the end (delta: 4.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.85ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 26.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.07ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 26.7MB in the beginning and 69.9MB in the end (delta: -43.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * RCFGBuilder took 694.02ms. Allocated memory is still 88.1MB. Free memory was 69.9MB in the beginning and 57.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 147.20ms. Allocated memory is still 88.1MB. Free memory was 56.7MB in the beginning and 50.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:50:43,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abee6db-56dc-44c9-8825-44ae809a39ab/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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