./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:00:08,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:00:08,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:00:08,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:00:08,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:00:08,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:00:08,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:00:08,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:00:08,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:00:08,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:00:08,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:00:08,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:00:08,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:00:08,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:00:08,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:00:08,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:00:08,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:00:08,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:00:08,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:00:08,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:00:08,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:00:08,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:00:08,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:00:08,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:00:08,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:00:08,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:00:08,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:00:08,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:00:08,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:00:08,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:00:08,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:00:08,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:00:08,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:00:08,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:00:08,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:00:08,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:00:08,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:00:08,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:00:08,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:00:08,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:00:08,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:00:08,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:00:08,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:00:08,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:00:08,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:00:08,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:00:08,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:00:08,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:00:08,861 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:00:08,861 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:00:08,862 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:00:08,862 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:00:08,863 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:00:08,864 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:00:08,864 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:00:08,864 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:00:08,865 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:00:08,865 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:00:08,865 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:00:08,866 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:00:08,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:00:08,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:00:08,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:00:08,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:00:08,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:00:08,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:00:08,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:00:08,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:00:08,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:00:08,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:00:08,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:00:08,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:00:08,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:00:08,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:00:08,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:00:08,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:00:08,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:00:08,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:00:08,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:00:08,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:00:08,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:00:08,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:00:08,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:00:08,874 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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a [2021-11-23 17:00:09,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:00:09,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:00:09,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:00:09,305 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:00:09,306 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:00:09,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2021-11-23 17:00:09,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/ef661dd91/6de0c2f19c5648a2987ce178173c7c83/FLAGd08f39d55 [2021-11-23 17:00:10,138 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:00:10,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2021-11-23 17:00:10,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/ef661dd91/6de0c2f19c5648a2987ce178173c7c83/FLAGd08f39d55 [2021-11-23 17:00:10,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/ef661dd91/6de0c2f19c5648a2987ce178173c7c83 [2021-11-23 17:00:10,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:00:10,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:00:10,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:00:10,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:00:10,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:00:10,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:00:10" (1/1) ... [2021-11-23 17:00:10,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b93f066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:10, skipping insertion in model container [2021-11-23 17:00:10,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:00:10" (1/1) ... [2021-11-23 17:00:10,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:00:10,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:00:10,839 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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c[5724,5737] [2021-11-23 17:00:11,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:00:11,021 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:00:11,059 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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c[5724,5737] [2021-11-23 17:00:11,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:00:11,155 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:00:11,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11 WrapperNode [2021-11-23 17:00:11,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:00:11,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:00:11,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:00:11,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:00:11,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,254 INFO L137 Inliner]: procedures = 65, calls = 180, calls flagged for inlining = 30, calls inlined = 27, statements flattened = 356 [2021-11-23 17:00:11,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:00:11,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:00:11,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:00:11,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:00:11,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:00:11,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:00:11,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:00:11,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:00:11,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:11" (1/1) ... [2021-11-23 17:00:11,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:00:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:00:11,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:00:11,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:00:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:00:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2021-11-23 17:00:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2021-11-23 17:00:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:00:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:00:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:00:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:00:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2021-11-23 17:00:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2021-11-23 17:00:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:00:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:00:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2021-11-23 17:00:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2021-11-23 17:00:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:00:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:00:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2021-11-23 17:00:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2021-11-23 17:00:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 17:00:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 17:00:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 17:00:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 17:00:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:00:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-11-23 17:00:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-11-23 17:00:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:00:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:00:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:00:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:00:11,617 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:00:11,620 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:00:12,184 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:00:12,246 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 17:00:12,253 INFO L158 Benchmark]: Toolchain (without parser) took 1839.69ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 67.4MB in the beginning and 85.6MB in the end (delta: -18.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-11-23 17:00:12,254 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:00:12,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.02ms. Allocated memory is still 98.6MB. Free memory was 67.2MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:00:12,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.61ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 62.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:00:12,257 INFO L158 Benchmark]: Boogie Preprocessor took 92.47ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 60.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:00:12,258 INFO L158 Benchmark]: RCFGBuilder took 898.70ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 60.2MB in the beginning and 85.6MB in the end (delta: -25.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 17:00:12,263 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 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.02ms. Allocated memory is still 98.6MB. Free memory was 67.2MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.61ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 62.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.47ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 60.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 898.70ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 60.2MB in the beginning and 85.6MB in the end (delta: -25.4MB). Peak memory consumption was 20.3MB. 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 17:00:12,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:00:15,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:00:15,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:00:15,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:00:15,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:00:15,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:00:15,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:00:15,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:00:15,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:00:15,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:00:15,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:00:15,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:00:15,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:00:15,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:00:15,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:00:15,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:00:15,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:00:15,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:00:15,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:00:15,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:00:15,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:00:15,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:00:15,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:00:15,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:00:15,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:00:15,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:00:15,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:00:15,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:00:15,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:00:15,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:00:15,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:00:15,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:00:15,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:00:15,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:00:15,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:00:15,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:00:15,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:00:15,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:00:15,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:00:15,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:00:15,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:00:15,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:00:15,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:00:15,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:00:15,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:00:15,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:00:15,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:00:15,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:00:15,341 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:00:15,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:00:15,342 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:00:15,342 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:00:15,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:00:15,343 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:00:15,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:00:15,345 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:00:15,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:00:15,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:00:15,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:00:15,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:00:15,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:00:15,350 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:00:15,350 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:00:15,351 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:00:15,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:00:15,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:00:15,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:00:15,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:00:15,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:00:15,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:00:15,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:00:15,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:00:15,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:00:15,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:00:15,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:00:15,355 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:00:15,355 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:00:15,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:00:15,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:00:15,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:00:15,357 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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a [2021-11-23 17:00:15,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:00:15,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:00:15,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:00:15,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:00:15,899 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:00:15,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2021-11-23 17:00:15,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/bc9865fce/c390e1320daa45b7857c61440b594915/FLAG3c31d54ac [2021-11-23 17:00:16,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:00:16,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2021-11-23 17:00:16,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/bc9865fce/c390e1320daa45b7857c61440b594915/FLAG3c31d54ac [2021-11-23 17:00:17,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/data/bc9865fce/c390e1320daa45b7857c61440b594915 [2021-11-23 17:00:17,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:00:17,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:00:17,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:00:17,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:00:17,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:00:17,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23deb5d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17, skipping insertion in model container [2021-11-23 17:00:17,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:00:17,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:00:17,327 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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c[5724,5737] [2021-11-23 17:00:17,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:00:17,564 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:00:17,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:00:17,600 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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c[5724,5737] [2021-11-23 17:00:17,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:00:17,681 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:00:17,710 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_b18bf16c-e7cc-422b-853b-cab69cfc9e23/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c[5724,5737] [2021-11-23 17:00:17,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:00:17,840 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:00:17,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17 WrapperNode [2021-11-23 17:00:17,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:00:17,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:00:17,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:00:17,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:00:17,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,947 INFO L137 Inliner]: procedures = 67, calls = 180, calls flagged for inlining = 30, calls inlined = 27, statements flattened = 335 [2021-11-23 17:00:17,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:00:17,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:00:17,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:00:17,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:00:17,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:17,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:18,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:18,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:18,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:00:18,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:00:18,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:00:18,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:00:18,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (1/1) ... [2021-11-23 17:00:18,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:00:18,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:00:18,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:00:18,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:00:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:00:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2021-11-23 17:00:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2021-11-23 17:00:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:00:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:00:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:00:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:00:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2021-11-23 17:00:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2021-11-23 17:00:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 17:00:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 17:00:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2021-11-23 17:00:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2021-11-23 17:00:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:00:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 17:00:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 17:00:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2021-11-23 17:00:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2021-11-23 17:00:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 17:00:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 17:00:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 17:00:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 17:00:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-11-23 17:00:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-11-23 17:00:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 17:00:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 17:00:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:00:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:00:18,265 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:00:18,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:00:18,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:00:18,822 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:00:18,822 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:00:18,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:00:18 BoogieIcfgContainer [2021-11-23 17:00:18,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:00:18,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:00:18,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:00:18,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:00:18,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:00:17" (1/3) ... [2021-11-23 17:00:18,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5d61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:00:18, skipping insertion in model container [2021-11-23 17:00:18,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:00:17" (2/3) ... [2021-11-23 17:00:18,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5d61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:00:18, skipping insertion in model container [2021-11-23 17:00:18,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:00:18" (3/3) ... [2021-11-23 17:00:18,839 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2021-11-23 17:00:18,846 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:00:18,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:00:18,908 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:00:18,916 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 17:00:18,916 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:00:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 120 states have internal predecessors, (141), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-23 17:00:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 17:00:18,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:00:18,967 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:00:18,968 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:00:18,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:00:18,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1460925416, now seen corresponding path program 1 times [2021-11-23 17:00:18,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:00:18,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216937036] [2021-11-23 17:00:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:00:18,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:00:18,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:00:18,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:00:19,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:00:19,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:00:19,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:00:19,272 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 17:00:19,279 INFO L158 Benchmark]: Toolchain (without parser) took 2261.47ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.9MB in the beginning and 41.4MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:00:19,280 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:00:19,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.53ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 39.6MB in the end (delta: -6.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 17:00:19,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.23ms. Allocated memory is still 73.4MB. Free memory was 39.6MB in the beginning and 54.8MB in the end (delta: -15.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-11-23 17:00:19,285 INFO L158 Benchmark]: Boogie Preprocessor took 87.38ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:00:19,292 INFO L158 Benchmark]: RCFGBuilder took 789.12ms. Allocated memory is still 73.4MB. Free memory was 52.7MB in the beginning and 52.1MB in the end (delta: 589.5kB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-23 17:00:19,294 INFO L158 Benchmark]: TraceAbstraction took 446.86ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 41.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:00:19,300 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 56.6MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.53ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 39.6MB in the end (delta: -6.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.23ms. Allocated memory is still 73.4MB. Free memory was 39.6MB in the beginning and 54.8MB in the end (delta: -15.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.38ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 789.12ms. Allocated memory is still 73.4MB. Free memory was 52.7MB in the beginning and 52.1MB in the end (delta: 589.5kB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 446.86ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 41.4MB in the end (delta: 10.2MB). 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 17:00:19,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bf16c-e7cc-422b-853b-cab69cfc9e23/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