./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/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_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/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_10f75b16-f352-4def-85f7-4e4d154486d1/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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:01:52,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:01:52,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:01:52,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:01:52,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:01:52,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:01:52,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:01:52,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:01:52,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:01:52,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:01:52,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:01:52,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:01:52,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:01:52,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:01:52,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:01:52,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:01:52,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:01:52,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:01:52,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:01:52,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:01:52,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:01:52,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:01:52,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:01:52,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:01:52,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:01:52,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:01:52,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:01:52,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:01:52,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:01:52,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:01:52,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:01:52,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:01:52,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:01:52,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:01:52,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:01:52,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:01:52,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:01:52,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:01:52,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:01:52,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:01:52,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:01:52,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:01:52,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:01:52,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:01:52,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:01:52,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:01:52,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:01:52,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:01:52,371 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:01:52,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:01:52,372 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:01:52,372 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:01:52,372 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:01:52,373 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:01:52,373 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:01:52,373 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:01:52,373 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:01:52,374 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:01:52,374 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:01:52,374 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:01:52,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:01:52,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:01:52,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:01:52,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:01:52,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:01:52,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:01:52,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:01:52,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:01:52,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:01:52,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:01:52,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:01:52,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:01:52,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:01:52,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:01:52,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:52,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:01:52,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:01:52,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:01:52,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:01:52,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:01:52,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:01:52,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:01:52,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:01:52,381 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_10f75b16-f352-4def-85f7-4e4d154486d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2021-11-23 17:01:52,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:01:52,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:01:52,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:01:52,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:01:52,647 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:01:52,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-23 17:01:52,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/7fc3d1983/e4b88fc67f544036b7b2843a73a29377/FLAG04e74ace1 [2021-11-23 17:01:53,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:01:53,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-23 17:01:53,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/7fc3d1983/e4b88fc67f544036b7b2843a73a29377/FLAG04e74ace1 [2021-11-23 17:01:53,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/7fc3d1983/e4b88fc67f544036b7b2843a73a29377 [2021-11-23 17:01:53,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:01:53,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:01:53,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:53,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:01:53,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:01:53,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:53" (1/1) ... [2021-11-23 17:01:53,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589cc218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:53, skipping insertion in model container [2021-11-23 17:01:53,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:53" (1/1) ... [2021-11-23 17:01:53,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:01:53,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:54,022 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_10f75b16-f352-4def-85f7-4e4d154486d1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-23 17:01:54,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:54,036 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:54,126 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_10f75b16-f352-4def-85f7-4e4d154486d1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-23 17:01:54,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:54,164 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:54,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54 WrapperNode [2021-11-23 17:01:54,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:54,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:54,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:54,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:54,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,252 INFO L137 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 265 [2021-11-23 17:01:54,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:54,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:54,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:54,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:54,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:01:54,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:01:54,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:01:54,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:01:54,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:54" (1/1) ... [2021-11-23 17:01:54,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:54,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:01:54,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:01:54,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:01:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:01:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 17:01:54,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 17:01:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:01:54,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:01:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:01:54,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:01:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:01:54,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:01:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:01:54,369 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:01:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:01:54,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:01:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 17:01:54,369 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 17:01:54,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:01:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:01:54,370 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:01:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:01:54,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:01:54,437 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:01:54,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:01:54,800 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:01:54,927 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:01:54,934 INFO L158 Benchmark]: Toolchain (without parser) took 1307.03ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 66.0MB in the beginning and 97.1MB in the end (delta: -31.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-23 17:01:54,936 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 51.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:01:54,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.06ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 62.1MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:01:54,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.48ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 59.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:01:54,940 INFO L158 Benchmark]: Boogie Preprocessor took 30.56ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 57.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:01:54,941 INFO L158 Benchmark]: RCFGBuilder took 645.89ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 57.9MB in the beginning and 97.1MB in the end (delta: -39.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-23 17:01:54,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 51.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.06ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 62.1MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.48ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 59.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.56ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 57.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 645.89ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 57.9MB in the beginning and 97.1MB in the end (delta: -39.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:01:55,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/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_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/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_10f75b16-f352-4def-85f7-4e4d154486d1/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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:01:57,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:01:57,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:01:57,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:01:57,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:01:57,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:01:57,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:01:57,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:01:57,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:01:57,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:01:57,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:01:57,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:01:57,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:01:57,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:01:57,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:01:57,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:01:57,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:01:57,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:01:57,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:01:57,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:01:57,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:01:57,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:01:57,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:01:57,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:01:57,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:01:57,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:01:57,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:01:57,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:01:57,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:01:57,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:01:57,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:01:57,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:01:57,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:01:57,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:01:57,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:01:57,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:01:57,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:01:57,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:01:57,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:01:57,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:01:57,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:01:57,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:01:57,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:01:57,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:01:57,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:01:57,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:01:57,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:01:57,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:01:57,625 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:01:57,625 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:01:57,625 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:01:57,625 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:01:57,626 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:01:57,627 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:01:57,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:01:57,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:01:57,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:01:57,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:01:57,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:01:57,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:01:57,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:01:57,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:01:57,630 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:01:57,630 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:01:57,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:01:57,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:01:57,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:01:57,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:01:57,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:01:57,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:01:57,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:01:57,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:57,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:01:57,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:01:57,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:01:57,633 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:01:57,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:01:57,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:01:57,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:01:57,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:01:57,635 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_10f75b16-f352-4def-85f7-4e4d154486d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2021-11-23 17:01:58,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:01:58,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:01:58,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:01:58,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:01:58,080 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:01:58,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-23 17:01:58,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/d1484cea5/0570e03a85914f0da08df4a31f9fc9e2/FLAG652e3dcb2 [2021-11-23 17:01:58,678 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:01:58,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-23 17:01:58,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/d1484cea5/0570e03a85914f0da08df4a31f9fc9e2/FLAG652e3dcb2 [2021-11-23 17:01:59,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/data/d1484cea5/0570e03a85914f0da08df4a31f9fc9e2 [2021-11-23 17:01:59,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:01:59,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:01:59,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:59,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:01:59,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:01:59,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1648bd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59, skipping insertion in model container [2021-11-23 17:01:59,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:01:59,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:59,583 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_10f75b16-f352-4def-85f7-4e4d154486d1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-23 17:01:59,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:59,608 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:01:59,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:59,726 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_10f75b16-f352-4def-85f7-4e4d154486d1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-23 17:01:59,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:59,733 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:59,805 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_10f75b16-f352-4def-85f7-4e4d154486d1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-23 17:01:59,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:59,840 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:59,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59 WrapperNode [2021-11-23 17:01:59,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:59,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:59,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:59,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:59,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,937 INFO L137 Inliner]: procedures = 60, calls = 159, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 253 [2021-11-23 17:01:59,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:59,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:59,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:59,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:59,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:01:59,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:02:00,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:02:00,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:02:00,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:02:00,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:02:00,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (1/1) ... [2021-11-23 17:02:00,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:02:00,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:02:00,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:02:00,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:02:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:02:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 17:02:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 17:02:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:02:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:02:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:02:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:02:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:02:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:02:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:02:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:02:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:02:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:02:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:02:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 17:02:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 17:02:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:02:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:02:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:02:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:02:00,211 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:02:00,213 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:02:00,687 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:02:00,694 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:02:00,695 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:02:00,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:02:00 BoogieIcfgContainer [2021-11-23 17:02:00,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:02:00,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:02:00,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:02:00,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:02:00,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:01:59" (1/3) ... [2021-11-23 17:02:00,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305850de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:02:00, skipping insertion in model container [2021-11-23 17:02:00,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:59" (2/3) ... [2021-11-23 17:02:00,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305850de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:02:00, skipping insertion in model container [2021-11-23 17:02:00,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:02:00" (3/3) ... [2021-11-23 17:02:00,706 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2021-11-23 17:02:00,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:02:00,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:02:00,761 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:02:00,768 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:02:00,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:02:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 17:02:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 17:02:00,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:02:00,798 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:02:00,799 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:02:00,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:02:00,805 INFO L85 PathProgramCache]: Analyzing trace with hash 764297473, now seen corresponding path program 1 times [2021-11-23 17:02:00,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:02:00,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240539672] [2021-11-23 17:02:00,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:02:00,820 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:02:00,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:02:00,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:02:00,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:02:00,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:02:01,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:02:01,075 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.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) 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 17:02:01,081 INFO L158 Benchmark]: Toolchain (without parser) took 2052.60ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 52.0MB in the end (delta: -1.0MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2021-11-23 17:02:01,082 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 86.0MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:02:01,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.83ms. Allocated memory is still 86.0MB. Free memory was 50.8MB in the beginning and 54.1MB in the end (delta: -3.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 17:02:01,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.39ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 51.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:02:01,085 INFO L158 Benchmark]: Boogie Preprocessor took 69.74ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 49.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:02:01,086 INFO L158 Benchmark]: RCFGBuilder took 687.42ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 61.7MB in the end (delta: -12.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 17:02:01,092 INFO L158 Benchmark]: TraceAbstraction took 379.51ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 52.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:02:01,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 86.0MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.83ms. Allocated memory is still 86.0MB. Free memory was 50.8MB in the beginning and 54.1MB in the end (delta: -3.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.39ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 51.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.74ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 49.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.42ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 61.7MB in the end (delta: -12.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 379.51ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 52.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. 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 17:02:01,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10f75b16-f352-4def-85f7-4e4d154486d1/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