./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI --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 e0a625623da1df5278f40b0961531fb67f6bd634 ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI --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 e0a625623da1df5278f40b0961531fb67f6bd634 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:32:01,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:32:01,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:32:01,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:32:01,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:32:01,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:32:01,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:32:01,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:32:01,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:32:01,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:32:01,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:32:01,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:32:01,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:32:01,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:32:01,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:32:01,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:32:01,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:32:01,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:32:01,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:32:01,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:32:01,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:32:01,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:32:01,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:32:01,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:32:01,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:32:01,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:32:01,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:32:01,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:32:01,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:32:01,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:32:01,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:32:01,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:32:01,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:32:01,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:32:01,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:32:01,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:32:01,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:32:01,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:32:01,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:32:01,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:32:01,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:32:01,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:32:01,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:32:01,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:32:01,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:32:01,369 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:32:01,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:32:01,369 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:32:01,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:32:01,370 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:32:01,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:32:01,370 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:32:01,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:32:01,371 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:32:01,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:32:01,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:32:01,372 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:32:01,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:32:01,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:32:01,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:32:01,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:32:01,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:32:01,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:32:01,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:32:01,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:32:01,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:32:01,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:32:01,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:32:01,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:32:01,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:32:01,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:32:01,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:32:01,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:32:01,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:32:01,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:32:01,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:32:01,377 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:32:01,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:32:01,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:32:01,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:32:01,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:32:01,378 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a625623da1df5278f40b0961531fb67f6bd634 [2021-10-11 02:32:01,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:32:01,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:32:01,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:32:01,699 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:32:01,700 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:32:01,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2021-10-11 02:32:01,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/e91a7864b/c81c0ed20d0545808090e9b85536f894/FLAG5f40b1ac0 [2021-10-11 02:32:02,315 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:32:02,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/sv-benchmarks/c/nla-digbench/ps3-ll.c [2021-10-11 02:32:02,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/e91a7864b/c81c0ed20d0545808090e9b85536f894/FLAG5f40b1ac0 [2021-10-11 02:32:02,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/e91a7864b/c81c0ed20d0545808090e9b85536f894 [2021-10-11 02:32:02,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:32:02,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:32:02,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:02,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:32:02,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:32:02,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:02,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1fbe99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02, skipping insertion in model container [2021-10-11 02:32:02,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:02,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:32:02,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:02,917 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2021-10-11 02:32:02,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:02,937 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:32:02,950 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2021-10-11 02:32:02,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:02,976 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:32:02,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02 WrapperNode [2021-10-11 02:32:02,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:02,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:02,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:32:02,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:32:02,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:02,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:03,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:32:03,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:32:03,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:32:03,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... [2021-10-11 02:32:03,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:32:03,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:32:03,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:32:03,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:32:03,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:32:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:32:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:32:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:32:03,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:32:03,425 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 02:32:03,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:03 BoogieIcfgContainer [2021-10-11 02:32:03,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:32:03,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:32:03,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:32:03,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:32:03,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:32:02" (1/3) ... [2021-10-11 02:32:03,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d125ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:03, skipping insertion in model container [2021-10-11 02:32:03,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:02" (2/3) ... [2021-10-11 02:32:03,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d125ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:03, skipping insertion in model container [2021-10-11 02:32:03,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:03" (3/3) ... [2021-10-11 02:32:03,451 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll.c [2021-10-11 02:32:03,482 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:32:03,485 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:32:03,514 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 02:32:03,543 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:32:03,545 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:32:03,545 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:32:03,545 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:32:03,545 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:32:03,546 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:32:03,546 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:32:03,547 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:32:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2021-10-11 02:32:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:32:03,571 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:03,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:32:03,572 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:03,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:03,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2275137, now seen corresponding path program 1 times [2021-10-11 02:32:03,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:03,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941782614] [2021-10-11 02:32:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:03,692 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:32:03,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1590239401] [2021-10-11 02:32:03,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:32:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:03,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:32:03,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:03,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:03,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:32:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:03,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941782614] [2021-10-11 02:32:03,968 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:32:03,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590239401] [2021-10-11 02:32:03,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:03,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-11 02:32:03,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831786287] [2021-10-11 02:32:03,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:32:03,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:32:03,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:32:03,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:32:03,999 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 6 states. [2021-10-11 02:32:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:06,197 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2021-10-11 02:32:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:32:06,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2021-10-11 02:32:06,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:06,210 INFO L225 Difference]: With dead ends: 38 [2021-10-11 02:32:06,210 INFO L226 Difference]: Without dead ends: 17 [2021-10-11 02:32:06,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:32:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-11 02:32:06,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-10-11 02:32:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 02:32:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-10-11 02:32:06,254 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 4 [2021-10-11 02:32:06,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:06,255 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-10-11 02:32:06,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:32:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-10-11 02:32:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:32:06,256 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:06,256 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2021-10-11 02:32:06,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-10-11 02:32:06,482 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:06,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:06,483 INFO L82 PathProgramCache]: Analyzing trace with hash 229883265, now seen corresponding path program 1 times [2021-10-11 02:32:06,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:06,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366518624] [2021-10-11 02:32:06,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:06,499 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:32:06,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287307390] [2021-10-11 02:32:06,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:32:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:06,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-11 02:32:06,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:06,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:32:06,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366518624] [2021-10-11 02:32:06,925 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:32:06,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287307390] [2021-10-11 02:32:06,925 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2021-10-11 02:32:06,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1382774765] [2021-10-11 02:32:06,974 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-10-11 02:32:06,974 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:32:06,983 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:32:06,990 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:32:06,991 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:32:07,835 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:32:08,026 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2021-10-11 02:32:08,621 WARN L197 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2021-10-11 02:32:20,247 WARN L197 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2021-10-11 02:32:20,410 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-10-11 02:32:20,416 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:32:20,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:20,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-11 02:32:20,418 ERROR L205 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-10-11 02:32:20,418 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:32:20,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:32:20,641 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2021-10-11 02:32:20,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:32:20 BoogieIcfgContainer [2021-10-11 02:32:20,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:32:20,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:32:20,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:32:20,644 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:32:20,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:03" (3/4) ... [2021-10-11 02:32:20,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:32:20,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:32:20,652 INFO L168 Benchmark]: Toolchain (without parser) took 17940.46 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 77.4 MB in the beginning and 90.1 MB in the end (delta: -12.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:20,653 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:20,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.39 ms. Allocated memory is still 109.1 MB. Free memory was 77.2 MB in the beginning and 83.8 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:20,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.15 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 82.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:20,664 INFO L168 Benchmark]: Boogie Preprocessor took 22.86 ms. Allocated memory is still 109.1 MB. Free memory was 82.2 MB in the beginning and 81.3 MB in the end (delta: 859.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:20,668 INFO L168 Benchmark]: RCFGBuilder took 384.91 ms. Allocated memory is still 109.1 MB. Free memory was 81.3 MB in the beginning and 67.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:20,669 INFO L168 Benchmark]: TraceAbstraction took 17212.65 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 67.3 MB in the beginning and 91.2 MB in the end (delta: -23.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:20,670 INFO L168 Benchmark]: Witness Printer took 5.17 ms. Allocated memory is still 144.7 MB. Free memory was 91.2 MB in the beginning and 90.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:20,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 266.39 ms. Allocated memory is still 109.1 MB. Free memory was 77.2 MB in the beginning and 83.8 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.15 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 82.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.86 ms. Allocated memory is still 109.1 MB. Free memory was 82.2 MB in the beginning and 81.3 MB in the end (delta: 859.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 384.91 ms. Allocated memory is still 109.1 MB. Free memory was 81.3 MB in the beginning and 67.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17212.65 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 67.3 MB in the beginning and 91.2 MB in the end (delta: -23.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.17 ms. Allocated memory is still 144.7 MB. Free memory was 91.2 MB in the beginning and 90.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L18] short k; [L19] long long y, x, c; [L20] k = __VERIFIER_nondet_short() [L22] y = 0 [L23] x = 0 [L24] c = 0 [L26] COND TRUE 1 [L10] COND FALSE !(!(cond)) [L29] COND FALSE !(!(c < k)) [L32] c = c + 1 [L33] y = y + 1 [L34] x = y * y + x [L26] COND TRUE 1 [L10] COND FALSE !(!(cond)) [L29] COND FALSE !(!(c < k)) [L32] c = c + 1 [L33] y = y + 1 [L34] x = y * y + x [L26] COND TRUE 1 [L10] COND TRUE !(cond) [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 17.0s, OverallIterations: 2, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 28 SDslu, 20 SDs, 0 SdLazy, 20 SolverSat, 17 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 3 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:32:23,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:32:23,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:32:23,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:32:23,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:32:23,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:32:23,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:32:23,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:32:23,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:32:23,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:32:23,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:32:23,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:32:23,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:32:23,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:32:23,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:32:23,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:32:23,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:32:23,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:32:23,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:32:23,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:32:23,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:32:23,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:32:23,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:32:23,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:32:23,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:32:23,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:32:23,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:32:23,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:32:23,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:32:23,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:32:23,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:32:23,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:32:23,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:32:23,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:32:23,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:32:23,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:32:23,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:32:23,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:32:23,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:32:23,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:32:23,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:32:23,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:32:23,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:32:23,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:32:23,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:32:23,397 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:32:23,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:32:23,398 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:32:23,398 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:32:23,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:32:23,398 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:32:23,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:32:23,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:32:23,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:32:23,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:32:23,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:32:23,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:32:23,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:32:23,403 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:32:23,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:32:23,403 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:32:23,403 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:32:23,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:32:23,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:32:23,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:32:23,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:32:23,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:32:23,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:32:23,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:32:23,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:32:23,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:32:23,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:32:23,406 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:32:23,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:32:23,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:32:23,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:32:23,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:32:23,407 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a625623da1df5278f40b0961531fb67f6bd634 [2021-10-11 02:32:23,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:32:23,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:32:23,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:32:23,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:32:23,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:32:23,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2021-10-11 02:32:23,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/5c82db167/6a3a1901ed784b0989e92f27bcaba25d/FLAGd2cc729b6 [2021-10-11 02:32:24,602 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:32:24,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/sv-benchmarks/c/nla-digbench/ps3-ll.c [2021-10-11 02:32:24,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/5c82db167/6a3a1901ed784b0989e92f27bcaba25d/FLAGd2cc729b6 [2021-10-11 02:32:24,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/data/5c82db167/6a3a1901ed784b0989e92f27bcaba25d [2021-10-11 02:32:24,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:32:24,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:32:24,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:24,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:32:24,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:32:24,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:24,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2e2118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24, skipping insertion in model container [2021-10-11 02:32:24,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:24,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:32:24,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:24,847 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2021-10-11 02:32:24,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:24,913 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:32:24,941 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2021-10-11 02:32:24,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:24,963 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:32:24,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24 WrapperNode [2021-10-11 02:32:24,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:24,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:24,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:32:24,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:32:24,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:24,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:25,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:32:25,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:32:25,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:32:25,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... [2021-10-11 02:32:25,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:32:25,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:32:25,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:32:25,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:32:25,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:32:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:32:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:32:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:32:25,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:32:25,984 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 02:32:25,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:25 BoogieIcfgContainer [2021-10-11 02:32:25,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:32:25,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:32:25,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:32:25,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:32:25,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:32:24" (1/3) ... [2021-10-11 02:32:25,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44721c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:25, skipping insertion in model container [2021-10-11 02:32:25,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:24" (2/3) ... [2021-10-11 02:32:25,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44721c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:25, skipping insertion in model container [2021-10-11 02:32:25,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:25" (3/3) ... [2021-10-11 02:32:25,998 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll.c [2021-10-11 02:32:26,013 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:32:26,017 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:32:26,028 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 02:32:26,067 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:32:26,067 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:32:26,067 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:32:26,067 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:32:26,068 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:32:26,068 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:32:26,068 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:32:26,068 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:32:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2021-10-11 02:32:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:32:26,095 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:26,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:32:26,097 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:26,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:26,104 INFO L82 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2021-10-11 02:32:26,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:26,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555178497] [2021-10-11 02:32:26,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:26,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:26,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:26,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:26,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555178497] [2021-10-11 02:32:26,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:26,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:32:26,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745991875] [2021-10-11 02:32:26,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:32:26,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:26,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:32:26,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:32:26,453 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2021-10-11 02:32:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:27,059 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-10-11 02:32:27,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:32:27,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2021-10-11 02:32:27,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:27,070 INFO L225 Difference]: With dead ends: 38 [2021-10-11 02:32:27,070 INFO L226 Difference]: Without dead ends: 15 [2021-10-11 02:32:27,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-11 02:32:27,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-11 02:32:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-10-11 02:32:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-10-11 02:32:27,102 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2021-10-11 02:32:27,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:27,102 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-10-11 02:32:27,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:32:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-10-11 02:32:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:32:27,103 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:27,103 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-11 02:32:27,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:32:27,310 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:27,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:27,311 INFO L82 PathProgramCache]: Analyzing trace with hash 300806046, now seen corresponding path program 1 times [2021-10-11 02:32:27,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:27,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129380312] [2021-10-11 02:32:27,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:27,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:32:27,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:27,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:32:29,959 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-10-11 02:32:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:32:31,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129380312] [2021-10-11 02:32:31,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [613068570] [2021-10-11 02:32:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:32:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:31,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:32:31,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:32,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:32:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:32:33,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509369574] [2021-10-11 02:32:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_016cf486-d509-4e97-a6e4-3d32821bdd77/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:32:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:34,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:32:34,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:34,932 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 11 [2021-10-11 02:32:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:35,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:32:40,217 WARN L197 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 24 [2021-10-11 02:32:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:40,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:32:40,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5, 4, 6, 5] total 9 [2021-10-11 02:32:40,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353153250] [2021-10-11 02:32:40,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 02:32:40,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:40,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 02:32:40,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:32:40,249 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 9 states. [2021-10-11 02:32:41,028 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:32:43,252 WARN L197 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-10-11 02:32:46,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:46,117 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2021-10-11 02:32:46,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:32:46,118 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 8 [2021-10-11 02:32:46,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:46,118 INFO L225 Difference]: With dead ends: 19 [2021-10-11 02:32:46,118 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:32:46,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:32:46,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:32:46,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:32:46,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:32:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:32:46,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2021-10-11 02:32:46,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:46,121 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:32:46,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 02:32:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:32:46,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:32:46,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3,4 cvc4 --incremental --print-success --lang smt,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:32:46,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:32:49,796 WARN L197 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2021-10-11 02:32:52,771 WARN L197 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2021-10-11 02:32:52,774 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:32:52,774 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-10-11 02:32:52,774 INFO L262 CegarLoopResult]: For program point L11(lines 11 12) no Hoare annotation was computed. [2021-10-11 02:32:52,774 INFO L262 CegarLoopResult]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2021-10-11 02:32:52,774 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:32:52,774 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:32:52,775 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:32:52,775 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-10-11 02:32:52,775 INFO L258 CegarLoopResult]: At program point L26-2(lines 26 35) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 32) (_ bv0 32)))) (or (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 (bvadd (bvneg (bvmul (bvmul ((_ sign_extend 32) (_ bv3 32)) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0)) (bvmul ((_ sign_extend 32) (_ bv6 32)) ULTIMATE.start_main_~x~0) (bvneg (bvmul (bvmul (bvmul ((_ sign_extend 32) (_ bv2 32)) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0)) (bvneg ULTIMATE.start_main_~y~0)))) (and (= .cse0 ULTIMATE.start_main_~x~0) (= .cse0 ULTIMATE.start_main_~y~0)))) [2021-10-11 02:32:52,776 INFO L262 CegarLoopResult]: For program point L26-3(lines 26 35) no Hoare annotation was computed. [2021-10-11 02:32:52,776 INFO L262 CegarLoopResult]: For program point L10(lines 10 13) no Hoare annotation was computed. [2021-10-11 02:32:52,776 INFO L258 CegarLoopResult]: At program point L10-2(lines 29 30) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg (bvmul (bvmul ((_ sign_extend 32) (_ bv3 32)) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0)) (bvmul ((_ sign_extend 32) (_ bv6 32)) ULTIMATE.start_main_~x~0) (bvneg (bvmul (bvmul (bvmul ((_ sign_extend 32) (_ bv2 32)) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0)) (bvneg ULTIMATE.start_main_~y~0)))) [2021-10-11 02:32:52,776 INFO L262 CegarLoopResult]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2021-10-11 02:32:52,777 INFO L265 CegarLoopResult]: At program point L10-5(lines 9 15) the Hoare annotation is: true [2021-10-11 02:32:52,777 INFO L265 CegarLoopResult]: At program point L37(lines 17 38) the Hoare annotation is: true [2021-10-11 02:32:52,785 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) 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.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:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2021-10-11 02:32:52,792 INFO L168 Benchmark]: Toolchain (without parser) took 28152.60 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 48.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:52,793 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:52,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.61 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 39.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:52,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.58 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 37.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:52,797 INFO L168 Benchmark]: Boogie Preprocessor took 51.77 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 36.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:52,798 INFO L168 Benchmark]: RCFGBuilder took 932.19 ms. Allocated memory is still 56.6 MB. Free memory was 36.3 MB in the beginning and 37.5 MB in the end (delta: -1.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:52,805 INFO L168 Benchmark]: TraceAbstraction took 26798.64 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 37.1 MB in the beginning and 48.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:52,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.61 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 39.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.58 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 37.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.77 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 36.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 932.19 ms. Allocated memory is still 56.6 MB. Free memory was 36.3 MB in the beginning and 37.5 MB in the end (delta: -1.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26798.64 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 37.1 MB in the beginning and 48.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...