./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product29.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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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 a9d4bfafe2ee2b10c7451875462462bdbc63aaee25e1868c3faa4756fb5ebfc5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:07,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:07,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:07,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:07,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:07,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:07,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:07,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:07,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:07,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:07,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:07,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:07,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:07,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:07,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:07,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:07,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:07,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:07,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:07,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:07,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:07,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:07,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:07,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:07,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:07,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:07,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:07,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:07,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:07,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:07,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:07,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:07,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:07,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:08,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:08,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:08,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:08,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:08,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:08,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:08,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:08,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:47:08,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:08,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:08,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:08,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:08,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:08,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:08,047 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:08,048 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:08,048 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:08,048 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:08,049 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:08,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:08,049 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:08,049 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:08,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:08,050 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:08,050 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:08,051 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:08,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:08,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:08,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:08,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:08,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:08,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:08,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:08,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:08,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:08,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:08,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:08,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:08,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:08,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:08,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:08,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:08,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:08,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:08,057 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:08,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:08,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:08,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:08,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:08,058 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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9d4bfafe2ee2b10c7451875462462bdbc63aaee25e1868c3faa4756fb5ebfc5 [2021-11-23 16:47:08,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:08,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:08,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:08,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:08,425 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:08,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c [2021-11-23 16:47:08,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/c5c0a7faa/52c6f58d46ba409ab7f7e6a8618cbe9d/FLAGada7ee994 [2021-11-23 16:47:09,357 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:09,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c [2021-11-23 16:47:09,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/c5c0a7faa/52c6f58d46ba409ab7f7e6a8618cbe9d/FLAGada7ee994 [2021-11-23 16:47:09,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/c5c0a7faa/52c6f58d46ba409ab7f7e6a8618cbe9d [2021-11-23 16:47:09,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:09,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:09,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:09,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:09,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:09,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:09" (1/1) ... [2021-11-23 16:47:09,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b757577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:09, skipping insertion in model container [2021-11-23 16:47:09,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:09" (1/1) ... [2021-11-23 16:47:09,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:09,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:09,851 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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c[17414,17427] [2021-11-23 16:47:10,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:10,255 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:10,307 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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c[17414,17427] [2021-11-23 16:47:10,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:10,496 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:10,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10 WrapperNode [2021-11-23 16:47:10,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:10,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:10,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:10,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:10,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,648 INFO L137 Inliner]: procedures = 93, calls = 341, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 905 [2021-11-23 16:47:10,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:10,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:10,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:10,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:10,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:10,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:10,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:10,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:10,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:10" (1/1) ... [2021-11-23 16:47:10,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:10,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:10,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 16:47:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 16:47:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 16:47:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 16:47:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 16:47:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 16:47:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 16:47:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 16:47:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 16:47:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 16:47:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 16:47:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 16:47:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 16:47:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 16:47:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 16:47:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 16:47:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 16:47:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 16:47:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 16:47:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 16:47:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 16:47:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 16:47:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 16:47:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 16:47:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 16:47:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 16:47:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 16:47:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 16:47:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 16:47:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 16:47:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 16:47:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 16:47:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 16:47:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 16:47:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 16:47:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 16:47:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 16:47:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 16:47:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:47:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 16:47:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 16:47:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 16:47:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 16:47:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 16:47:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 16:47:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 16:47:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 16:47:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 16:47:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 16:47:11,126 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:11,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:12,488 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:12,576 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 16:47:12,587 INFO L158 Benchmark]: Toolchain (without parser) took 3088.11ms. Allocated memory is still 96.5MB. Free memory was 56.9MB in the beginning and 33.4MB in the end (delta: 23.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:12,588 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 75.9MB in the beginning and 75.8MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:12,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.40ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 41.5MB in the end (delta: 15.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-23 16:47:12,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.34ms. Allocated memory is still 96.5MB. Free memory was 41.5MB in the beginning and 36.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:12,593 INFO L158 Benchmark]: Boogie Preprocessor took 129.52ms. Allocated memory is still 96.5MB. Free memory was 36.4MB in the beginning and 67.7MB in the end (delta: -31.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:12,594 INFO L158 Benchmark]: RCFGBuilder took 1804.38ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 33.4MB in the end (delta: 34.4MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 16:47:12,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 75.9MB in the beginning and 75.8MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.40ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 41.5MB in the end (delta: 15.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.34ms. Allocated memory is still 96.5MB. Free memory was 41.5MB in the beginning and 36.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.52ms. Allocated memory is still 96.5MB. Free memory was 36.4MB in the beginning and 67.7MB in the end (delta: -31.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1804.38ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 33.4MB in the end (delta: 34.4MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:47:12,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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 a9d4bfafe2ee2b10c7451875462462bdbc63aaee25e1868c3faa4756fb5ebfc5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:15,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:15,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:15,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:15,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:15,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:15,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:15,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:15,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:15,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:15,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:15,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:15,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:15,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:15,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:15,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:15,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:15,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:15,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:15,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:15,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:15,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:15,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:15,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:15,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:15,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:15,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:15,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:15,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:15,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:15,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:15,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:15,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:15,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:15,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:15,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:15,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:15,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:15,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:15,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:15,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:15,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:47:15,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:15,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:15,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:15,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:15,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:15,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:15,494 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:15,494 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:15,495 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:15,495 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:15,496 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:15,496 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:15,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:15,499 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:15,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:15,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:15,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:15,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:15,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:15,500 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:15,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:47:15,501 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:47:15,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:15,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:15,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:15,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:15,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:15,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:47:15,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:15,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:15,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:15,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:15,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:15,504 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:47:15,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:47:15,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:15,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:15,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:15,506 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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9d4bfafe2ee2b10c7451875462462bdbc63aaee25e1868c3faa4756fb5ebfc5 [2021-11-23 16:47:15,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:15,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:15,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:15,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:15,969 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:15,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c [2021-11-23 16:47:16,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/87e406a39/30c72e04be80412ab84908ccfbe7741d/FLAGabbbbc4a7 [2021-11-23 16:47:16,829 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:16,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c [2021-11-23 16:47:16,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/87e406a39/30c72e04be80412ab84908ccfbe7741d/FLAGabbbbc4a7 [2021-11-23 16:47:16,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/data/87e406a39/30c72e04be80412ab84908ccfbe7741d [2021-11-23 16:47:16,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:16,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:16,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:16,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:16,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:16,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:16" (1/1) ... [2021-11-23 16:47:16,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798622e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:16, skipping insertion in model container [2021-11-23 16:47:16,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:16" (1/1) ... [2021-11-23 16:47:16,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:17,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:17,412 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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c[17414,17427] [2021-11-23 16:47:17,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:17,813 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:47:17,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:17,881 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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c[17414,17427] [2021-11-23 16:47:17,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:17,966 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:17,991 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_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/sv-benchmarks/c/product-lines/elevator_spec2_product29.cil.c[17414,17427] [2021-11-23 16:47:18,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:18,094 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:18,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18 WrapperNode [2021-11-23 16:47:18,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:18,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:18,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:18,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:18,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,205 INFO L137 Inliner]: procedures = 95, calls = 341, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 855 [2021-11-23 16:47:18,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:18,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:18,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:18,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:18,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:18,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:18,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:18,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:18,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (1/1) ... [2021-11-23 16:47:18,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:18,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:18,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:18,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 16:47:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 16:47:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 16:47:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 16:47:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 16:47:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 16:47:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 16:47:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 16:47:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 16:47:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 16:47:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 16:47:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2021-11-23 16:47:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 16:47:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 16:47:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 16:47:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 16:47:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 16:47:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 16:47:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 16:47:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 16:47:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 16:47:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 16:47:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 16:47:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 16:47:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 16:47:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 16:47:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:47:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 16:47:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 16:47:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 16:47:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 16:47:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 16:47:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 16:47:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 16:47:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 16:47:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 16:47:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 16:47:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 16:47:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 16:47:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-11-23 16:47:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-11-23 16:47:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 16:47:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 16:47:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 16:47:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 16:47:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 16:47:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 16:47:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 16:47:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 16:47:18,631 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:18,644 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:20,158 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:20,173 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:47:20,174 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:47:20,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:47:20 BoogieIcfgContainer [2021-11-23 16:47:20,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:47:20,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:47:20,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:47:20,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:47:20,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:47:16" (1/3) ... [2021-11-23 16:47:20,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38339bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:47:20, skipping insertion in model container [2021-11-23 16:47:20,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:18" (2/3) ... [2021-11-23 16:47:20,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38339bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:47:20, skipping insertion in model container [2021-11-23 16:47:20,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:47:20" (3/3) ... [2021-11-23 16:47:20,188 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product29.cil.c [2021-11-23 16:47:20,195 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:47:20,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:47:20,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:47:20,265 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 16:47:20,266 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:47:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 572 states, 451 states have (on average 1.6962305986696231) internal successors, (765), 472 states have internal predecessors, (765), 95 states have call successors, (95), 24 states have call predecessors, (95), 24 states have return successors, (95), 89 states have call predecessors, (95), 95 states have call successors, (95) [2021-11-23 16:47:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 16:47:20,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:47:20,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:20,345 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:47:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:47:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2058097453, now seen corresponding path program 1 times [2021-11-23 16:47:20,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:47:20,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081770176] [2021-11-23 16:47:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:47:20,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:47:20,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:47:20,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:47:20,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:47:20,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:47:20,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:47:20,667 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 16:47:20,677 INFO L158 Benchmark]: Toolchain (without parser) took 3708.01ms. Allocated memory was 54.5MB in the beginning and 86.0MB in the end (delta: 31.5MB). Free memory was 27.4MB in the beginning and 49.7MB in the end (delta: -22.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:20,678 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:20,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1127.20ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 27.1MB in the beginning and 35.3MB in the end (delta: -8.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-23 16:47:20,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.77ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 30.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:20,682 INFO L158 Benchmark]: Boogie Preprocessor took 93.40ms. Allocated memory is still 67.1MB. Free memory was 30.4MB in the beginning and 44.8MB in the end (delta: -14.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 16:47:20,690 INFO L158 Benchmark]: RCFGBuilder took 1876.88ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 37.2MB in the end (delta: 7.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:20,691 INFO L158 Benchmark]: TraceAbstraction took 494.18ms. Allocated memory is still 86.0MB. Free memory was 37.2MB in the beginning and 49.7MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:20,698 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 54.5MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1127.20ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 27.1MB in the beginning and 35.3MB in the end (delta: -8.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.77ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 30.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.40ms. Allocated memory is still 67.1MB. Free memory was 30.4MB in the beginning and 44.8MB in the end (delta: -14.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1876.88ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 37.2MB in the end (delta: 7.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * TraceAbstraction took 494.18ms. Allocated memory is still 86.0MB. Free memory was 37.2MB in the beginning and 49.7MB in the end (delta: -12.5MB). There was no memory consumed. 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 16:47:20,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f130b4-7dcc-4e7f-82c8-dc8d5463a272/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