./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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 fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:28:13,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:28:13,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:28:13,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:28:13,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:28:13,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:28:13,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:28:13,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:28:13,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:28:13,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:28:13,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:28:13,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:28:13,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:28:13,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:28:13,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:28:13,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:28:13,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:28:13,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:28:13,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:28:13,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:28:13,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:28:13,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:28:13,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:28:13,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:28:13,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:28:13,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:28:13,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:28:13,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:28:13,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:28:13,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:28:13,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:28:13,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:28:13,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:28:13,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:28:13,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:28:13,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:28:13,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:28:13,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:28:13,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:28:13,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:28:13,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:28:13,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:28:13,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:28:13,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:28:13,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:28:13,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:28:13,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:28:13,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:28:13,623 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:28:13,623 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:28:13,623 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:28:13,623 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:28:13,625 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:28:13,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:28:13,625 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:28:13,626 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:28:13,626 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:28:13,626 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:28:13,627 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:28:13,627 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:28:13,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:28:13,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:28:13,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:28:13,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:28:13,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:28:13,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:28:13,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:28:13,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:28:13,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:28:13,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:28:13,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:28:13,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:28:13,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:28:13,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:28:13,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:13,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:28:13,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:28:13,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:28:13,634 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:28:13,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:28:13,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:28:13,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:28:13,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:28:13,636 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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c [2021-11-23 17:28:14,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:28:14,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:28:14,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:28:14,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:28:14,058 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:28:14,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2021-11-23 17:28:14,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/76f71cdd7/8a23f87053c342f9bef2f5c1618aae79/FLAGdfc626b23 [2021-11-23 17:28:14,973 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:28:14,974 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2021-11-23 17:28:15,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/76f71cdd7/8a23f87053c342f9bef2f5c1618aae79/FLAGdfc626b23 [2021-11-23 17:28:15,059 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/76f71cdd7/8a23f87053c342f9bef2f5c1618aae79 [2021-11-23 17:28:15,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:28:15,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:28:15,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:15,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:28:15,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:28:15,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:15" (1/1) ... [2021-11-23 17:28:15,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bee13b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:15, skipping insertion in model container [2021-11-23 17:28:15,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:15" (1/1) ... [2021-11-23 17:28:15,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:28:15,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:28:15,587 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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075] [2021-11-23 17:28:16,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:16,252 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:28:16,278 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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075] [2021-11-23 17:28:16,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:16,625 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:28:16,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16 WrapperNode [2021-11-23 17:28:16,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:16,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:16,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:28:16,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:28:16,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:16,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:16,970 INFO L137 Inliner]: procedures = 72, calls = 2681, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 5631 [2021-11-23 17:28:16,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:16,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:28:16,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:28:16,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:28:16,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:16,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:17,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:17,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:17,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:17,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:17,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:17,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:28:17,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:28:17,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:28:17,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:28:17,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:16" (1/1) ... [2021-11-23 17:28:17,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:17,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:28:17,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:28:17,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:28:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:28:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2021-11-23 17:28:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2021-11-23 17:28:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2021-11-23 17:28:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2021-11-23 17:28:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 17:28:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 17:28:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 17:28:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 17:28:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:28:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 17:28:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 17:28:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 17:28:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 17:28:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-11-23 17:28:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-11-23 17:28:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 17:28:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 17:28:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:28:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 17:28:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 17:28:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 17:28:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 17:28:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2021-11-23 17:28:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2021-11-23 17:28:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-11-23 17:28:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-11-23 17:28:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 17:28:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 17:28:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 17:28:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 17:28:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-11-23 17:28:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-11-23 17:28:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:28:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:28:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 17:28:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 17:28:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 17:28:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 17:28:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2021-11-23 17:28:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2021-11-23 17:28:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-11-23 17:28:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-11-23 17:28:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:28:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:28:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:28:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:28:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:28:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 17:28:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 17:28:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 17:28:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 17:28:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 17:28:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 17:28:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2021-11-23 17:28:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2021-11-23 17:28:18,202 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:28:18,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:28:30,438 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:28:30,781 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 17:28:30,788 INFO L158 Benchmark]: Toolchain (without parser) took 15718.68ms. Allocated memory was 102.8MB in the beginning and 434.1MB in the end (delta: 331.4MB). Free memory was 71.3MB in the beginning and 122.1MB in the end (delta: -50.8MB). Peak memory consumption was 283.1MB. Max. memory is 16.1GB. [2021-11-23 17:28:30,789 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:28:30,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.67ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 71.3MB in the beginning and 65.4MB in the end (delta: 5.9MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2021-11-23 17:28:30,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 344.56ms. Allocated memory is still 123.7MB. Free memory was 65.4MB in the beginning and 62.8MB in the end (delta: 2.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-11-23 17:28:30,792 INFO L158 Benchmark]: Boogie Preprocessor took 419.07ms. Allocated memory is still 123.7MB. Free memory was 62.8MB in the beginning and 57.8MB in the end (delta: 5.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-11-23 17:28:30,793 INFO L158 Benchmark]: RCFGBuilder took 13393.43ms. Allocated memory was 123.7MB in the beginning and 434.1MB in the end (delta: 310.4MB). Free memory was 57.8MB in the beginning and 122.1MB in the end (delta: -64.3MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. [2021-11-23 17:28:30,797 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 102.8MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.67ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 71.3MB in the beginning and 65.4MB in the end (delta: 5.9MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 344.56ms. Allocated memory is still 123.7MB. Free memory was 65.4MB in the beginning and 62.8MB in the end (delta: 2.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 419.07ms. Allocated memory is still 123.7MB. Free memory was 62.8MB in the beginning and 57.8MB in the end (delta: 5.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13393.43ms. Allocated memory was 123.7MB in the beginning and 434.1MB in the end (delta: 310.4MB). Free memory was 57.8MB in the beginning and 122.1MB in the end (delta: -64.3MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:28:30,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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 fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:28:33,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:28:33,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:28:34,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:28:34,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:28:34,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:28:34,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:28:34,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:28:34,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:28:34,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:28:34,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:28:34,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:28:34,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:28:34,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:28:34,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:28:34,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:28:34,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:28:34,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:28:34,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:28:34,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:28:34,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:28:34,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:28:34,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:28:34,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:28:34,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:28:34,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:28:34,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:28:34,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:28:34,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:28:34,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:28:34,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:28:34,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:28:34,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:28:34,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:28:34,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:28:34,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:28:34,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:28:34,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:28:34,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:28:34,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:28:34,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:28:34,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:28:34,241 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:28:34,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:28:34,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:28:34,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:28:34,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:28:34,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:28:34,245 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:28:34,246 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:28:34,246 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:28:34,246 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:28:34,248 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:28:34,248 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:28:34,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:28:34,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:28:34,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:28:34,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:28:34,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:28:34,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:28:34,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:28:34,253 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:28:34,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:28:34,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:28:34,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:28:34,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:28:34,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:28:34,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:28:34,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:28:34,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:28:34,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:28:34,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:34,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:28:34,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:28:34,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:28:34,258 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:28:34,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:28:34,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:28:34,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:28:34,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:28:34,260 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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c [2021-11-23 17:28:34,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:28:34,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:28:34,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:28:34,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:28:34,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:28:34,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2021-11-23 17:28:34,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/9cc19d984/2019c503a7284007aece64e0e434382d/FLAG94818b2b9 [2021-11-23 17:28:35,734 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:28:35,735 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2021-11-23 17:28:35,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/9cc19d984/2019c503a7284007aece64e0e434382d/FLAG94818b2b9 [2021-11-23 17:28:35,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/data/9cc19d984/2019c503a7284007aece64e0e434382d [2021-11-23 17:28:35,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:28:35,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:28:35,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:35,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:28:35,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:28:35,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:35" (1/1) ... [2021-11-23 17:28:35,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7252232d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:35, skipping insertion in model container [2021-11-23 17:28:35,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:28:35" (1/1) ... [2021-11-23 17:28:35,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:28:36,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:28:36,392 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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075] [2021-11-23 17:28:37,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:37,141 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:28:37,175 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_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075] [2021-11-23 17:28:37,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:28:37,648 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:28:37,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37 WrapperNode [2021-11-23 17:28:37,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:28:37,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:37,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:28:37,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:28:37,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:37,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,129 INFO L137 Inliner]: procedures = 75, calls = 2681, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 5490 [2021-11-23 17:28:38,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:28:38,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:28:38,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:28:38,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:28:38,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:28:38,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:28:38,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:28:38,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:28:38,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (1/1) ... [2021-11-23 17:28:38,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:28:38,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:28:38,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:28:38,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:28:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:28:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2021-11-23 17:28:38,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2021-11-23 17:28:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2021-11-23 17:28:38,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2021-11-23 17:28:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 17:28:38,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 17:28:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:28:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 17:28:38,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 17:28:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:28:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 17:28:38,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 17:28:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 17:28:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 17:28:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:28:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-11-23 17:28:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-11-23 17:28:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 17:28:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 17:28:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 17:28:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 17:28:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 17:28:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 17:28:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2021-11-23 17:28:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2021-11-23 17:28:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-11-23 17:28:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-11-23 17:28:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 17:28:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 17:28:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 17:28:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 17:28:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-11-23 17:28:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-11-23 17:28:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:28:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:28:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:28:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:28:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 17:28:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 17:28:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 17:28:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 17:28:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2021-11-23 17:28:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2021-11-23 17:28:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-11-23 17:28:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-11-23 17:28:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:28:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:28:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:28:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:28:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 17:28:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 17:28:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 17:28:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 17:28:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 17:28:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 17:28:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2021-11-23 17:28:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2021-11-23 17:28:39,602 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:28:39,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:29:05,918 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:29:05,941 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:29:05,942 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:29:05,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:05 BoogieIcfgContainer [2021-11-23 17:29:05,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:29:05,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:29:05,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:29:05,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:29:05,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:28:35" (1/3) ... [2021-11-23 17:29:05,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213e8b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:29:05, skipping insertion in model container [2021-11-23 17:29:05,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:28:37" (2/3) ... [2021-11-23 17:29:05,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213e8b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:29:05, skipping insertion in model container [2021-11-23 17:29:05,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:05" (3/3) ... [2021-11-23 17:29:05,957 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M1-1.c [2021-11-23 17:29:05,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:29:05,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:29:06,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:29:06,067 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 17:29:06,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:29:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 1640 states, 1017 states have (on average 1.2566371681415929) internal successors, (1278), 1049 states have internal predecessors, (1278), 597 states have call successors, (597), 24 states have call predecessors, (597), 24 states have return successors, (597), 595 states have call predecessors, (597), 597 states have call successors, (597) [2021-11-23 17:29:06,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2021-11-23 17:29:06,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:29:06,384 INFO L514 BasicCegarLoop]: trace histogram [241, 241, 241, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:29:06,385 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:29:06,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:29:06,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1449643402, now seen corresponding path program 1 times [2021-11-23 17:29:06,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:29:06,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145614112] [2021-11-23 17:29:06,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:29:06,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:29:06,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:29:06,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:29:06,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:29:06,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:29:07,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:29:07,088 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 17:29:07,093 INFO L158 Benchmark]: Toolchain (without parser) took 31213.60ms. Allocated memory was 58.7MB in the beginning and 323.0MB in the end (delta: 264.2MB). Free memory was 35.0MB in the beginning and 180.9MB in the end (delta: -145.9MB). Peak memory consumption was 202.1MB. Max. memory is 16.1GB. [2021-11-23 17:29:07,094 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:29:07,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1767.02ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 34.8MB in the beginning and 45.2MB in the end (delta: -10.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2021-11-23 17:29:07,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 479.23ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.2MB in the beginning and 56.7MB in the end (delta: -11.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 17:29:07,097 INFO L158 Benchmark]: Boogie Preprocessor took 506.02ms. Allocated memory is still 111.1MB. Free memory was 56.7MB in the beginning and 55.4MB in the end (delta: 1.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-23 17:29:07,098 INFO L158 Benchmark]: RCFGBuilder took 27310.29ms. Allocated memory was 111.1MB in the beginning and 268.4MB in the end (delta: 157.3MB). Free memory was 55.4MB in the beginning and 66.2MB in the end (delta: -10.7MB). Peak memory consumption was 155.9MB. Max. memory is 16.1GB. [2021-11-23 17:29:07,098 INFO L158 Benchmark]: TraceAbstraction took 1141.02ms. Allocated memory was 268.4MB in the beginning and 323.0MB in the end (delta: 54.5MB). Free memory was 66.2MB in the beginning and 182.0MB in the end (delta: -115.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 17:29:07,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1767.02ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 34.8MB in the beginning and 45.2MB in the end (delta: -10.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 479.23ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.2MB in the beginning and 56.7MB in the end (delta: -11.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 506.02ms. Allocated memory is still 111.1MB. Free memory was 56.7MB in the beginning and 55.4MB in the end (delta: 1.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * RCFGBuilder took 27310.29ms. Allocated memory was 111.1MB in the beginning and 268.4MB in the end (delta: 157.3MB). Free memory was 55.4MB in the beginning and 66.2MB in the end (delta: -10.7MB). Peak memory consumption was 155.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1141.02ms. Allocated memory was 268.4MB in the beginning and 323.0MB in the end (delta: 54.5MB). Free memory was 66.2MB in the beginning and 182.0MB in the end (delta: -115.8MB). Peak memory consumption was 23.7MB. 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 17:29:07,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0ebf9be-fa66-49c4-bde8-50ccadcdbf22/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable