./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:06,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:06,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:06,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:06,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:06,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:06,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:06,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:06,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:06,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:06,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:06,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:06,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:06,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:06,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:06,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:06,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:06,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:06,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:06,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:06,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:06,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:06,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:06,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:06,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:06,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:06,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:06,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:06,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:06,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:06,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:06,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:06,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:06,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:06,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:06,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:06,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:06,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:06,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:06,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:06,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:06,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:50:06,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:06,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:06,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:06,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:06,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:06,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:06,872 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:06,872 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:06,872 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:06,872 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:50:06,874 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:06,874 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:06,874 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:50:06,874 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:50:06,875 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:06,875 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:50:06,875 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:50:06,875 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:50:06,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:06,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:06,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:50:06,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:06,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:06,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:06,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:06,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:06,879 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:06,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:06,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:06,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:06,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:06,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:06,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:06,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:06,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:06,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:06,882 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:50:06,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:50:06,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:06,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:06,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:06,883 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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 [2021-11-23 16:50:07,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:07,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:07,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:07,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:07,213 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:07,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2021-11-23 16:50:07,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/8785e20d1/574cd562d0b0460ea6bbefd951d548c5/FLAG24051b5e3 [2021-11-23 16:50:07,837 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:50:07,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2021-11-23 16:50:07,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/8785e20d1/574cd562d0b0460ea6bbefd951d548c5/FLAG24051b5e3 [2021-11-23 16:50:08,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/8785e20d1/574cd562d0b0460ea6bbefd951d548c5 [2021-11-23 16:50:08,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:50:08,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:50:08,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:08,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:50:08,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:50:08,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc4a638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08, skipping insertion in model container [2021-11-23 16:50:08,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:50:08,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:08,504 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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2021-11-23 16:50:08,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:08,587 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:08,660 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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2021-11-23 16:50:08,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:08,758 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:08,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08 WrapperNode [2021-11-23 16:50:08,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:08,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:08,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:08,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:08,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,846 INFO L137 Inliner]: procedures = 57, calls = 161, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 280 [2021-11-23 16:50:08,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:08,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:08,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:08,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:08,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:08,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:08,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:08,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:08,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:08" (1/1) ... [2021-11-23 16:50:08,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:08,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:08,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:08,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 16:50:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 16:50:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 16:50:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 16:50:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 16:50:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 16:50:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 16:50:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 16:50:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 16:50:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 16:50:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 16:50:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 16:50:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 16:50:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 16:50:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 16:50:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 16:50:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 16:50:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 16:50:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:50:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 16:50:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 16:50:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:09,114 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:09,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:50:09,517 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:50:09,568 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 16:50:09,574 INFO L158 Benchmark]: Toolchain (without parser) took 1394.41ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 51.4MB in the beginning and 83.1MB in the end (delta: -31.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 16:50:09,575 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:09,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.77ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 51.1MB in the beginning and 79.5MB in the end (delta: -28.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 16:50:09,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.42ms. Allocated memory is still 111.1MB. Free memory was 79.2MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:50:09,577 INFO L158 Benchmark]: Boogie Preprocessor took 67.47ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:09,578 INFO L158 Benchmark]: RCFGBuilder took 656.07ms. Allocated memory is still 111.1MB. Free memory was 75.0MB in the beginning and 83.1MB in the end (delta: -8.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 16:50:09,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.77ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 51.1MB in the beginning and 79.5MB in the end (delta: -28.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.42ms. Allocated memory is still 111.1MB. Free memory was 79.2MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.47ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 656.07ms. Allocated memory is still 111.1MB. Free memory was 75.0MB in the beginning and 83.1MB in the end (delta: -8.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:50:09,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:50:12,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:50:12,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:50:12,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:50:12,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:50:12,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:50:12,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:50:12,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:50:12,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:50:12,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:50:12,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:50:12,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:50:12,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:50:12,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:50:12,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:50:12,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:50:12,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:50:12,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:50:12,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:50:12,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:50:12,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:50:12,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:50:12,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:50:12,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:50:12,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:50:12,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:50:12,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:50:12,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:50:12,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:50:12,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:50:12,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:50:12,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:50:12,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:50:12,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:50:12,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:50:12,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:50:12,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:50:12,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:50:12,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:50:12,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:50:12,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:50:12,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:50:12,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:50:12,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:50:12,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:50:12,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:50:12,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:50:12,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:50:12,259 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:50:12,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:50:12,259 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:50:12,260 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:50:12,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:50:12,261 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:50:12,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:50:12,263 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:50:12,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:50:12,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:50:12,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:50:12,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:50:12,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:50:12,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:50:12,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:50:12,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:50:12,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:50:12,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:50:12,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:50:12,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:50:12,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:50:12,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:50:12,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:50:12,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:12,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:50:12,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:50:12,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:50:12,270 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:50:12,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:50:12,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:50:12,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:50:12,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:50:12,271 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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 [2021-11-23 16:50:12,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:50:12,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:50:12,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:50:12,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:50:12,714 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:50:12,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2021-11-23 16:50:12,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/c15fe0f5a/f50dcca51f8d49b1a10ec61ab015652f/FLAG497dc537f [2021-11-23 16:50:13,426 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:50:13,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2021-11-23 16:50:13,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/c15fe0f5a/f50dcca51f8d49b1a10ec61ab015652f/FLAG497dc537f [2021-11-23 16:50:13,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/data/c15fe0f5a/f50dcca51f8d49b1a10ec61ab015652f [2021-11-23 16:50:13,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:50:13,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:50:13,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:13,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:50:13,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:50:13,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:13" (1/1) ... [2021-11-23 16:50:13,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b00b79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:13, skipping insertion in model container [2021-11-23 16:50:13,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:50:13" (1/1) ... [2021-11-23 16:50:13,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:50:13,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:14,108 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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2021-11-23 16:50:14,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:14,258 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:50:14,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:50:14,330 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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2021-11-23 16:50:14,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:14,384 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:14,415 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_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2021-11-23 16:50:14,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:14,485 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:14,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14 WrapperNode [2021-11-23 16:50:14,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:14,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:14,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:14,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:14,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,575 INFO L137 Inliner]: procedures = 59, calls = 161, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 266 [2021-11-23 16:50:14,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:14,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:14,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:14,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:14,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:14,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:14,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:14,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:14,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (1/1) ... [2021-11-23 16:50:14,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:14,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:14,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:14,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 16:50:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 16:50:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 16:50:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 16:50:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 16:50:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 16:50:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 16:50:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 16:50:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 16:50:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 16:50:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 16:50:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 16:50:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:50:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 16:50:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 16:50:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 16:50:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 16:50:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 16:50:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 16:50:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 16:50:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 16:50:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:14,804 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:14,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:50:15,224 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:50:15,231 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:50:15,235 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 16:50:15,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:15 BoogieIcfgContainer [2021-11-23 16:50:15,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:50:15,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:50:15,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:50:15,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:50:15,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:50:13" (1/3) ... [2021-11-23 16:50:15,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32787c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:15, skipping insertion in model container [2021-11-23 16:50:15,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:14" (2/3) ... [2021-11-23 16:50:15,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32787c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:50:15, skipping insertion in model container [2021-11-23 16:50:15,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:50:15" (3/3) ... [2021-11-23 16:50:15,246 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61.cil.c [2021-11-23 16:50:15,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:50:15,252 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:50:15,300 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:50:15,306 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 16:50:15,307 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:50:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 80 states have (on average 1.375) internal successors, (110), 90 states have internal predecessors, (110), 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 16:50:15,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 16:50:15,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:50:15,335 INFO L514 BasicCegarLoop]: trace histogram [1, 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 16:50:15,336 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:50:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:50:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1589663850, now seen corresponding path program 1 times [2021-11-23 16:50:15,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:50:15,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876106725] [2021-11-23 16:50:15,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:50:15,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:50:15,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:50:15,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:50:15,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:50:15,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:50:15,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:50:15,607 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 16:50:15,611 INFO L158 Benchmark]: Toolchain (without parser) took 1900.96ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.2MB in the beginning and 38.0MB in the end (delta: -5.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-23 16:50:15,612 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:50:15,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.94ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.0MB in the beginning and 34.5MB in the end (delta: -2.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 16:50:15,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.11ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 49.5MB in the end (delta: -15.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 16:50:15,614 INFO L158 Benchmark]: Boogie Preprocessor took 50.51ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 48.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:50:15,615 INFO L158 Benchmark]: RCFGBuilder took 611.25ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 47.4MB in the end (delta: 571.7kB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-11-23 16:50:15,615 INFO L158 Benchmark]: TraceAbstraction took 369.49ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 38.0MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:50:15,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.94ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.0MB in the beginning and 34.5MB in the end (delta: -2.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.11ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 49.5MB in the end (delta: -15.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.51ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 48.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.25ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 47.4MB in the end (delta: 571.7kB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * TraceAbstraction took 369.49ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 38.0MB in the end (delta: 8.8MB). 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 16:50:15,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cfdff8-10da-4beb-8a5d-5b9f00fe3fca/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