./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan --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 ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan --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 ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:05:04,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:05:04,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:05:04,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:05:04,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:05:04,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:05:04,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:05:04,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:05:04,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:05:04,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:05:04,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:05:04,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:05:04,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:05:04,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:05:04,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:05:04,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:05:04,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:05:04,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:05:04,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:05:04,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:05:04,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:05:04,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:05:04,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:05:04,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:05:04,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:05:04,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:05:04,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:05:04,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:05:04,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:05:04,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:05:04,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:05:04,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:05:04,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:05:04,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:05:04,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:05:04,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:05:04,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:05:04,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:05:04,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:05:04,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:05:04,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:05:04,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:05:04,411 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:05:04,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:05:04,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:05:04,418 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:05:04,419 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:05:04,419 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:05:04,421 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:05:04,422 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:05:04,423 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:05:04,423 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:05:04,425 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:05:04,425 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:05:04,426 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:05:04,426 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:05:04,426 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:05:04,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:05:04,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:05:04,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:05:04,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:05:04,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:05:04,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:05:04,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:05:04,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:05:04,429 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:05:04,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:05:04,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:05:04,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:05:04,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:05:04,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:05:04,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:05:04,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:05:04,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:05:04,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:05:04,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:05:04,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:05:04,436 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:05:04,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:05:04,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:05:04,437 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:05:04,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:05:04,437 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-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e [2020-11-30 02:05:04,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:05:04,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:05:04,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:05:04,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:05:04,791 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:05:04,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/../../sv-benchmarks/c/loops/n.c40.c [2020-11-30 02:05:04,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/a5294c6a9/e6e42733b125498a8d354730bf0298a2/FLAG40a138fe8 [2020-11-30 02:05:05,384 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:05:05,386 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/sv-benchmarks/c/loops/n.c40.c [2020-11-30 02:05:05,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/a5294c6a9/e6e42733b125498a8d354730bf0298a2/FLAG40a138fe8 [2020-11-30 02:05:05,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/a5294c6a9/e6e42733b125498a8d354730bf0298a2 [2020-11-30 02:05:05,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:05:05,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:05:05,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:05:05,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:05:05,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:05:05,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:05:05" (1/1) ... [2020-11-30 02:05:05,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360572bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:05, skipping insertion in model container [2020-11-30 02:05:05,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:05:05" (1/1) ... [2020-11-30 02:05:05,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:05:05,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:05:06,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:05:06,075 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:05:06,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:05:06,114 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:05:06,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06 WrapperNode [2020-11-30 02:05:06,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:05:06,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:05:06,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:05:06,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:05:06,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:05:06,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:05:06,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:05:06,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:05:06,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... [2020-11-30 02:05:06,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:05:06,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:05:06,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:05:06,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:05:06,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 02:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:05:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 02:05:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:05:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:05:06,826 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:05:06,827 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-30 02:05:06,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:05:06 BoogieIcfgContainer [2020-11-30 02:05:06,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:05:06,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:05:06,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:05:06,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:05:06,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:05:05" (1/3) ... [2020-11-30 02:05:06,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dec6ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:05:06, skipping insertion in model container [2020-11-30 02:05:06,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:06" (2/3) ... [2020-11-30 02:05:06,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dec6ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:05:06, skipping insertion in model container [2020-11-30 02:05:06,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:05:06" (3/3) ... [2020-11-30 02:05:06,849 INFO L111 eAbstractionObserver]: Analyzing ICFG n.c40.c [2020-11-30 02:05:06,863 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:05:06,869 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:05:06,885 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:05:06,917 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:05:06,917 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:05:06,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:05:06,918 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:05:06,918 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:05:06,918 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:05:06,918 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:05:06,919 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:05:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-30 02:05:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 02:05:06,941 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:05:06,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 02:05:06,943 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:05:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:05:06,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1988836334, now seen corresponding path program 1 times [2020-11-30 02:05:06,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:05:06,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817019317] [2020-11-30 02:05:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:05:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:05:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:07,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817019317] [2020-11-30 02:05:07,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:05:07,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:05:07,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674781296] [2020-11-30 02:05:07,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:05:07,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:05:07,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:05:07,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:05:07,155 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 2 states. [2020-11-30 02:05:07,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:05:07,173 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2020-11-30 02:05:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:05:07,176 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-30 02:05:07,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:05:07,196 INFO L225 Difference]: With dead ends: 17 [2020-11-30 02:05:07,196 INFO L226 Difference]: Without dead ends: 8 [2020-11-30 02:05:07,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:05:07,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-30 02:05:07,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-30 02:05:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-30 02:05:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-30 02:05:07,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-11-30 02:05:07,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:05:07,245 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-11-30 02:05:07,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:05:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-30 02:05:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 02:05:07,247 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:05:07,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:05:07,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:05:07,248 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:05:07,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:05:07,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1318346733, now seen corresponding path program 1 times [2020-11-30 02:05:07,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:05:07,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056073038] [2020-11-30 02:05:07,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:05:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:05:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:07,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056073038] [2020-11-30 02:05:07,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:05:07,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:05:07,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845141636] [2020-11-30 02:05:07,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:05:07,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:05:07,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:05:07,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:05:07,418 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 3 states. [2020-11-30 02:05:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:05:07,457 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-11-30 02:05:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:05:07,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-30 02:05:07,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:05:07,459 INFO L225 Difference]: With dead ends: 15 [2020-11-30 02:05:07,459 INFO L226 Difference]: Without dead ends: 10 [2020-11-30 02:05:07,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:05:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-30 02:05:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-30 02:05:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-30 02:05:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-30 02:05:07,463 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2020-11-30 02:05:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:05:07,463 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-11-30 02:05:07,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:05:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-30 02:05:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 02:05:07,464 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:05:07,464 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:05:07,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 02:05:07,465 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:05:07,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:05:07,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1424708562, now seen corresponding path program 1 times [2020-11-30 02:05:07,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:05:07,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762333999] [2020-11-30 02:05:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:05:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:05:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:07,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762333999] [2020-11-30 02:05:07,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:05:07,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:05:07,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525951984] [2020-11-30 02:05:07,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:05:07,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:05:07,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:05:07,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:05:07,601 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 4 states. [2020-11-30 02:05:07,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:05:07,631 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2020-11-30 02:05:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:05:07,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-30 02:05:07,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:05:07,632 INFO L225 Difference]: With dead ends: 10 [2020-11-30 02:05:07,632 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:05:07,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:05:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:05:07,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:05:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:05:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:05:07,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-11-30 02:05:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:05:07,634 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:05:07,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:05:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:05:07,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:05:07,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 02:05:07,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:05:07,654 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:05:07,654 INFO L274 CegarLoopResult]: For program point L21(lines 21 22) no Hoare annotation was computed. [2020-11-30 02:05:07,654 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:05:07,655 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:05:07,655 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-30 02:05:07,655 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-11-30 02:05:07,655 INFO L277 CegarLoopResult]: At program point L20-1(lines 20 22) the Hoare annotation is: true [2020-11-30 02:05:07,655 INFO L274 CegarLoopResult]: For program point L14-1(lines 14 17) no Hoare annotation was computed. [2020-11-30 02:05:07,655 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 17) the Hoare annotation is: (and (= (select |#memory_int| |~#x~0.base|) ((as const (Array Int Int)) 0)) (= ~i~0 0)) [2020-11-30 02:05:07,656 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-11-30 02:05:07,662 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2020-11-30 02:05:07,666 INFO L168 Benchmark]: Toolchain (without parser) took 1907.17 ms. Allocated memory is still 119.5 MB. Free memory was 87.5 MB in the beginning and 85.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:07,667 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:05:07,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.08 ms. Allocated memory is still 119.5 MB. Free memory was 87.3 MB in the beginning and 96.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:07,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.63 ms. Allocated memory is still 119.5 MB. Free memory was 96.6 MB in the beginning and 95.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:07,669 INFO L168 Benchmark]: Boogie Preprocessor took 27.66 ms. Allocated memory is still 119.5 MB. Free memory was 95.3 MB in the beginning and 94.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:05:07,670 INFO L168 Benchmark]: RCFGBuilder took 643.43 ms. Allocated memory is still 119.5 MB. Free memory was 94.1 MB in the beginning and 79.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:07,670 INFO L168 Benchmark]: TraceAbstraction took 832.20 ms. Allocated memory is still 119.5 MB. Free memory was 78.5 MB in the beginning and 85.6 MB in the end (delta: -7.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:05:07,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.08 ms. Allocated memory is still 119.5 MB. Free memory was 87.3 MB in the beginning and 96.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.63 ms. Allocated memory is still 119.5 MB. Free memory was 96.6 MB in the beginning and 95.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.66 ms. Allocated memory is still 119.5 MB. Free memory was 95.3 MB in the beginning and 94.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 643.43 ms. Allocated memory is still 119.5 MB. Free memory was 94.1 MB in the beginning and 79.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 832.20 ms. Allocated memory is still 119.5 MB. Free memory was 78.5 MB in the beginning and 85.6 MB in the end (delta: -7.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:05:10,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:05:10,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:05:10,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:05:10,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:05:10,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:05:10,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:05:10,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:05:10,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:05:10,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:05:10,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:05:10,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:05:10,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:05:10,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:05:10,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:05:10,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:05:10,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:05:10,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:05:10,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:05:10,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:05:10,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:05:10,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:05:10,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:05:10,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:05:10,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:05:10,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:05:10,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:05:10,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:05:10,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:05:10,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:05:10,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:05:10,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:05:10,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:05:10,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:05:10,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:05:10,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:05:10,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:05:10,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:05:10,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:05:10,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:05:10,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:05:10,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:05:10,997 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:05:10,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:05:10,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:05:11,000 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:05:11,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:05:11,000 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:05:11,000 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:05:11,001 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:05:11,001 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:05:11,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:05:11,004 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:05:11,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:05:11,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:05:11,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:05:11,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:05:11,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:05:11,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:05:11,006 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:05:11,006 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:05:11,006 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:05:11,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:05:11,006 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:05:11,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:05:11,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:05:11,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:05:11,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:05:11,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:05:11,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:05:11,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:05:11,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:05:11,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:05:11,009 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:05:11,009 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:05:11,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:05:11,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:05:11,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:05:11,010 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-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e [2020-11-30 02:05:11,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:05:11,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:05:11,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:05:11,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:05:11,586 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:05:11,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/../../sv-benchmarks/c/loops/n.c40.c [2020-11-30 02:05:11,690 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/7139d67c0/70128c6bdd7647d18e20b86697142c7c/FLAG9e4d3b7a6 [2020-11-30 02:05:12,324 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:05:12,326 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/sv-benchmarks/c/loops/n.c40.c [2020-11-30 02:05:12,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/7139d67c0/70128c6bdd7647d18e20b86697142c7c/FLAG9e4d3b7a6 [2020-11-30 02:05:12,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/data/7139d67c0/70128c6bdd7647d18e20b86697142c7c [2020-11-30 02:05:12,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:05:12,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:05:12,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:05:12,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:05:12,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:05:12,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:12,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3ecd63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12, skipping insertion in model container [2020-11-30 02:05:12,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:12,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:05:12,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:05:12,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:05:12,884 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:05:12,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:05:12,936 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:05:12,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12 WrapperNode [2020-11-30 02:05:12,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:05:12,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:05:12,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:05:12,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:05:12,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:12,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:05:13,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:05:13,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:05:13,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:05:13,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... [2020-11-30 02:05:13,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:05:13,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:05:13,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:05:13,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:05:13,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:05:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 02:05:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:05:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:05:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:05:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 02:05:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:05:13,595 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:05:13,597 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-30 02:05:13,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:05:13 BoogieIcfgContainer [2020-11-30 02:05:13,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:05:13,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:05:13,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:05:13,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:05:13,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:05:12" (1/3) ... [2020-11-30 02:05:13,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e84a02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:05:13, skipping insertion in model container [2020-11-30 02:05:13,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:05:12" (2/3) ... [2020-11-30 02:05:13,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e84a02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:05:13, skipping insertion in model container [2020-11-30 02:05:13,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:05:13" (3/3) ... [2020-11-30 02:05:13,612 INFO L111 eAbstractionObserver]: Analyzing ICFG n.c40.c [2020-11-30 02:05:13,623 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:05:13,628 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:05:13,639 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:05:13,676 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:05:13,676 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:05:13,676 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:05:13,676 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:05:13,676 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:05:13,677 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:05:13,677 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:05:13,677 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:05:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-11-30 02:05:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 02:05:13,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:05:13,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:05:13,699 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:05:13,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:05:13,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2020-11-30 02:05:13,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:05:13,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089133779] [2020-11-30 02:05:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 02:05:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:05:13,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:05:13,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:05:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:13,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:05:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:13,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089133779] [2020-11-30 02:05:13,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:05:13,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:05:13,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732990419] [2020-11-30 02:05:13,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:05:13,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:05:13,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:05:13,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:05:13,936 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2020-11-30 02:05:13,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:05:13,973 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-11-30 02:05:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:05:13,975 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-30 02:05:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:05:13,988 INFO L225 Difference]: With dead ends: 23 [2020-11-30 02:05:13,988 INFO L226 Difference]: Without dead ends: 9 [2020-11-30 02:05:13,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:05:14,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-30 02:05:14,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-11-30 02:05:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-30 02:05:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-30 02:05:14,032 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-11-30 02:05:14,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:05:14,033 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-30 02:05:14,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:05:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-30 02:05:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 02:05:14,034 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:05:14,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:05:14,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:05:14,247 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:05:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:05:14,248 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2020-11-30 02:05:14,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:05:14,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780738067] [2020-11-30 02:05:14,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 02:05:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:05:14,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 02:05:14,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:05:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:14,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:05:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:14,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780738067] [2020-11-30 02:05:14,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:05:14,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-30 02:05:14,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830334943] [2020-11-30 02:05:14,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:05:14,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:05:14,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:05:14,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:05:14,428 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2020-11-30 02:05:14,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:05:14,480 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-11-30 02:05:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:05:14,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-30 02:05:14,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:05:14,482 INFO L225 Difference]: With dead ends: 16 [2020-11-30 02:05:14,482 INFO L226 Difference]: Without dead ends: 11 [2020-11-30 02:05:14,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:05:14,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-30 02:05:14,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-30 02:05:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-30 02:05:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-30 02:05:14,486 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2020-11-30 02:05:14,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:05:14,487 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-30 02:05:14,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:05:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-30 02:05:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 02:05:14,487 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:05:14,487 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:05:14,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:05:14,689 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:05:14,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:05:14,690 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2020-11-30 02:05:14,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:05:14,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775467370] [2020-11-30 02:05:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 02:05:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:05:14,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 02:05:14,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:05:14,957 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:14,958 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 41 [2020-11-30 02:05:14,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:05:14,970 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:05:14,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:05:14,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:05:14,999 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 02:05:15,083 INFO L625 ElimStorePlain]: treesize reduction 14, result has 71.4 percent of original size [2020-11-30 02:05:15,091 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 02:05:15,091 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:24 [2020-11-30 02:05:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:05:15,175 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2020-11-30 02:05:15,176 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:05:15,200 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:15,202 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 02:05:15,202 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2020-11-30 02:05:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:05:15,318 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 02:05:15,322 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:15,323 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 17 [2020-11-30 02:05:15,325 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:05:15,345 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:15,350 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 02:05:15,350 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:38, output treesize:13 [2020-11-30 02:05:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:15,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:05:18,106 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:18,107 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2020-11-30 02:05:18,109 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:05:18,114 INFO L441 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_7]} [2020-11-30 02:05:18,335 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:18,336 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2020-11-30 02:05:18,338 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:05:18,343 INFO L441 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_9]} [2020-11-30 02:05:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:18,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775467370] [2020-11-30 02:05:18,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1949111249] [2020-11-30 02:05:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11b65d5f-3f0e-4295-a086-26c2745b6def/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 02:05:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:05:18,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 02:05:18,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:05:18,632 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-11-30 02:05:18,663 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-30 02:05:18,783 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2020-11-30 02:05:18,784 INFO L625 ElimStorePlain]: treesize reduction 26, result has 51.9 percent of original size [2020-11-30 02:05:18,798 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2020-11-30 02:05:18,799 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 02:05:18,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:18,838 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 02:05:18,838 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:32, output treesize:17 [2020-11-30 02:05:20,937 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-30 02:05:20,959 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2020-11-30 02:05:20,965 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:05:20,973 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:20,975 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 02:05:20,976 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2020-11-30 02:05:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:21,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:05:21,118 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2020-11-30 02:05:21,121 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:05:21,125 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:05:21,125 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 02:05:21,126 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:1 [2020-11-30 02:05:21,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:05:21,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-30 02:05:21,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7, 4] total 18 [2020-11-30 02:05:21,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602074062] [2020-11-30 02:05:21,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:05:21,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:05:21,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:05:21,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=246, Unknown=4, NotChecked=0, Total=306 [2020-11-30 02:05:21,262 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2020-11-30 02:05:23,364 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 22 [2020-11-30 02:05:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:05:23,366 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-11-30 02:05:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:05:23,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-30 02:05:23,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:05:23,366 INFO L225 Difference]: With dead ends: 11 [2020-11-30 02:05:23,366 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:05:23,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=63, Invalid=275, Unknown=4, NotChecked=0, Total=342 [2020-11-30 02:05:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:05:23,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:05:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:05:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:05:23,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-30 02:05:23,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:05:23,368 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:05:23,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:05:23,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:05:23,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:05:23,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 02:05:23,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:05:25,848 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 16 [2020-11-30 02:05:25,852 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:05:25,852 INFO L274 CegarLoopResult]: For program point L21(lines 21 22) no Hoare annotation was computed. [2020-11-30 02:05:25,852 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 02:05:25,852 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 02:05:25,852 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:05:25,852 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 02:05:25,853 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:05:25,853 INFO L277 CegarLoopResult]: At program point L24(lines 10 25) the Hoare annotation is: true [2020-11-30 02:05:25,853 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-30 02:05:25,853 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-11-30 02:05:25,853 INFO L274 CegarLoopResult]: For program point L20-1(lines 20 22) no Hoare annotation was computed. [2020-11-30 02:05:25,853 INFO L274 CegarLoopResult]: For program point L14-1(lines 14 17) no Hoare annotation was computed. [2020-11-30 02:05:25,854 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 17) the Hoare annotation is: (and (= (select |#memory_int| |~#x~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (exists ((|~#y~0.base| (_ BitVec 32))) (and (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (not (= |~#x~0.base| |~#y~0.base|)))) (= ~i~0 (_ bv0 32))) [2020-11-30 02:05:25,854 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-11-30 02:05:25,861 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2020-11-30 02:05:25,866 INFO L168 Benchmark]: Toolchain (without parser) took 13214.69 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 46.6 MB in the beginning and 44.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:25,867 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:05:25,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.04 ms. Allocated memory is still 65.0 MB. Free memory was 46.5 MB in the beginning and 36.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:25,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.93 ms. Allocated memory is still 65.0 MB. Free memory was 36.7 MB in the beginning and 49.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:25,869 INFO L168 Benchmark]: Boogie Preprocessor took 60.85 ms. Allocated memory is still 65.0 MB. Free memory was 49.3 MB in the beginning and 48.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:05:25,870 INFO L168 Benchmark]: RCFGBuilder took 520.70 ms. Allocated memory is still 65.0 MB. Free memory was 48.1 MB in the beginning and 34.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:25,871 INFO L168 Benchmark]: TraceAbstraction took 12262.37 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 34.4 MB in the beginning and 44.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-11-30 02:05:25,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 284.04 ms. Allocated memory is still 65.0 MB. Free memory was 46.5 MB in the beginning and 36.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.93 ms. Allocated memory is still 65.0 MB. Free memory was 36.7 MB in the beginning and 49.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.85 ms. Allocated memory is still 65.0 MB. Free memory was 49.3 MB in the beginning and 48.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 520.70 ms. Allocated memory is still 65.0 MB. Free memory was 48.1 MB in the beginning and 34.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12262.37 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 34.4 MB in the beginning and 44.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...