./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.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_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/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_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/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_97914153-5ac6-47cd-a881-c8b63b394321/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 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:32,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:32,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:33,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:33,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:33,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:33,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:33,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:33,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:33,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:33,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:33,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:33,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:33,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:33,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:33,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:33,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:33,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:33,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:33,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:33,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:33,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:33,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:33,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:33,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:33,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:33,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:33,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:33,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:33,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:33,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:33,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:33,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:33,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:33,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:33,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:33,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:33,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:33,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:33,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:33,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:33,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:19:33,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:33,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:33,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:33,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:33,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:33,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:33,188 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:33,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:33,189 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:33,189 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:19:33,190 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:33,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:33,191 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:19:33,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:19:33,192 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:33,192 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:19:33,193 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:19:33,193 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:19:33,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:33,195 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:19:33,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:19:33,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:19:33,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:33,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:33,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:33,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:33,198 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:19:33,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:33,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:33,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:33,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:33,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:33,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:33,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:33,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:33,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:33,202 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:19:33,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:19:33,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:33,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:33,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:33,204 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_97914153-5ac6-47cd-a881-c8b63b394321/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 [2021-11-23 17:19:33,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:33,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:33,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:33,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:33,588 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:33,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2021-11-23 17:19:33,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/0e24d556e/ec9dea8c2e3848399fa596145569d498/FLAG8f754d2e0 [2021-11-23 17:19:34,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:34,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2021-11-23 17:19:34,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/0e24d556e/ec9dea8c2e3848399fa596145569d498/FLAG8f754d2e0 [2021-11-23 17:19:34,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/0e24d556e/ec9dea8c2e3848399fa596145569d498 [2021-11-23 17:19:34,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:34,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:34,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:34,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:34,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:34,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:34" (1/1) ... [2021-11-23 17:19:34,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21604bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:34, skipping insertion in model container [2021-11-23 17:19:34,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:34" (1/1) ... [2021-11-23 17:19:34,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:34,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:35,150 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_97914153-5ac6-47cd-a881-c8b63b394321/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2021-11-23 17:19:35,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:35,190 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:35,308 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_97914153-5ac6-47cd-a881-c8b63b394321/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2021-11-23 17:19:35,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:35,337 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:35,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35 WrapperNode [2021-11-23 17:19:35,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:35,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:35,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:35,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:35,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,428 INFO L137 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 294 [2021-11-23 17:19:35,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:35,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:35,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:35,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:35,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:35,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:35,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:35,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:35,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:35" (1/1) ... [2021-11-23 17:19:35,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:35,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:35,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:35,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 17:19:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 17:19:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:19:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:19:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:19:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:19:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:19:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:19:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:19:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:19:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 17:19:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 17:19:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:19:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:19:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 17:19:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 17:19:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 17:19:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 17:19:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:19:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:19:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:19:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:35,765 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:35,768 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:19:36,255 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:19:36,311 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 17:19:36,322 INFO L158 Benchmark]: Toolchain (without parser) took 1728.07ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 75.7MB in the beginning and 96.5MB in the end (delta: -20.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-23 17:19:36,323 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:36,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.65ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 75.5MB in the beginning and 121.1MB in the end (delta: -45.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:19:36,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.08ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:36,326 INFO L158 Benchmark]: Boogie Preprocessor took 76.99ms. Allocated memory is still 157.3MB. Free memory was 118.2MB in the beginning and 116.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:36,327 INFO L158 Benchmark]: RCFGBuilder took 806.37ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 96.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 17:19:36,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.65ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 75.5MB in the beginning and 121.1MB in the end (delta: -45.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.08ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.99ms. Allocated memory is still 157.3MB. Free memory was 118.2MB in the beginning and 116.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 806.37ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 96.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. 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 17:19:36,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/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_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/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_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/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_97914153-5ac6-47cd-a881-c8b63b394321/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 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:39,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:39,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:39,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:39,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:39,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:39,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:39,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:39,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:39,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:39,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:39,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:39,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:39,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:39,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:39,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:39,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:39,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:39,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:39,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:39,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:39,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:39,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:39,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:39,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:39,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:39,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:39,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:39,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:39,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:39,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:39,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:39,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:39,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:39,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:39,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:39,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:39,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:39,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:39,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:39,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:39,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:19:39,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:39,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:39,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:39,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:39,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:39,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:39,515 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:39,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:39,515 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:39,516 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:39,516 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:39,516 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:39,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:39,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:19:39,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:19:39,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:39,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:39,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:39,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:39,519 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:19:39,519 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:19:39,519 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:19:39,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:19:39,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:39,520 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:39,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:39,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:39,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:19:39,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:39,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:39,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:39,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:39,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:39,522 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:19:39,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:19:39,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:39,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:39,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:39,523 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_97914153-5ac6-47cd-a881-c8b63b394321/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 [2021-11-23 17:19:39,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:40,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:40,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:40,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:40,043 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:40,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2021-11-23 17:19:40,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/378eaf0cc/adf9f4bff3094fe8a42130284fc226d3/FLAG845639349 [2021-11-23 17:19:40,975 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:40,976 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2021-11-23 17:19:41,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/378eaf0cc/adf9f4bff3094fe8a42130284fc226d3/FLAG845639349 [2021-11-23 17:19:41,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/data/378eaf0cc/adf9f4bff3094fe8a42130284fc226d3 [2021-11-23 17:19:41,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:41,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:41,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:41,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:41,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:41,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d774c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41, skipping insertion in model container [2021-11-23 17:19:41,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:41,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:41,614 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_97914153-5ac6-47cd-a881-c8b63b394321/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2021-11-23 17:19:41,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:41,642 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:19:41,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:41,730 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_97914153-5ac6-47cd-a881-c8b63b394321/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2021-11-23 17:19:41,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:41,741 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:41,877 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_97914153-5ac6-47cd-a881-c8b63b394321/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2021-11-23 17:19:41,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:41,909 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:41,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41 WrapperNode [2021-11-23 17:19:41,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:41,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:41,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:41,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:41,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,007 INFO L137 Inliner]: procedures = 61, calls = 163, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 279 [2021-11-23 17:19:42,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:42,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:42,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:42,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:42,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:42,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:42,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:42,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:42,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:42,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:42,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:42,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:42,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 17:19:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 17:19:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:19:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:19:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:19:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:19:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:19:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 17:19:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:19:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:19:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:19:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 17:19:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 17:19:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:19:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:19:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 17:19:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 17:19:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 17:19:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 17:19:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:19:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:19:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:42,382 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:42,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:19:42,913 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:19:42,924 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:19:42,924 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:19:42,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:19:42 BoogieIcfgContainer [2021-11-23 17:19:42,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:19:42,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:19:42,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:19:42,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:19:42,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:19:41" (1/3) ... [2021-11-23 17:19:42,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb2b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:19:42, skipping insertion in model container [2021-11-23 17:19:42,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (2/3) ... [2021-11-23 17:19:42,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb2b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:19:42, skipping insertion in model container [2021-11-23 17:19:42,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:19:42" (3/3) ... [2021-11-23 17:19:42,939 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2021-11-23 17:19:42,945 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:19:42,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:19:43,013 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:19:43,022 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 17:19:43,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:19:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 93 states have internal predecessors, (113), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 17:19:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 17:19:43,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:19:43,066 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 17:19:43,067 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:19:43,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:19:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1729313638, now seen corresponding path program 1 times [2021-11-23 17:19:43,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:19:43,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74355054] [2021-11-23 17:19:43,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:19:43,095 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:19:43,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:19:43,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:19:43,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:19:43,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:19:43,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:19:43,380 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 17:19:43,386 INFO L158 Benchmark]: Toolchain (without parser) took 2195.15ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 39.6MB in the beginning and 42.4MB in the end (delta: -2.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-11-23 17:19:43,386 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:43,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.44ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 29.5MB in the end (delta: 9.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-23 17:19:43,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.94ms. Allocated memory is still 60.8MB. Free memory was 29.5MB in the beginning and 27.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:19:43,389 INFO L158 Benchmark]: Boogie Preprocessor took 89.06ms. Allocated memory is still 60.8MB. Free memory was 27.0MB in the beginning and 25.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:43,390 INFO L158 Benchmark]: RCFGBuilder took 828.57ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 25.1MB in the beginning and 52.0MB in the end (delta: -26.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 17:19:43,391 INFO L158 Benchmark]: TraceAbstraction took 453.63ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 42.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:19:43,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.44ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 29.5MB in the end (delta: 9.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.94ms. Allocated memory is still 60.8MB. Free memory was 29.5MB in the beginning and 27.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.06ms. Allocated memory is still 60.8MB. Free memory was 27.0MB in the beginning and 25.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.57ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 25.1MB in the beginning and 52.0MB in the end (delta: -26.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * TraceAbstraction took 453.63ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 42.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. 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 17:19:43,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97914153-5ac6-47cd-a881-c8b63b394321/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