./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.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-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d3f5fa5c8c3d829aef3eebf7b5c06ebf07bf56b ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d3f5fa5c8c3d829aef3eebf7b5c06ebf07bf56b ....................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-12-09 05:44:49,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 05:44:49,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 05:44:49,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 05:44:49,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 05:44:49,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 05:44:49,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 05:44:49,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 05:44:49,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 05:44:49,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 05:44:49,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 05:44:49,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 05:44:49,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 05:44:49,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 05:44:49,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 05:44:49,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 05:44:49,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 05:44:49,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 05:44:49,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 05:44:49,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 05:44:49,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 05:44:49,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 05:44:49,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 05:44:49,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 05:44:49,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 05:44:49,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 05:44:49,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 05:44:49,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 05:44:49,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 05:44:49,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 05:44:49,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 05:44:49,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 05:44:49,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 05:44:49,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 05:44:49,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 05:44:49,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 05:44:49,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 05:44:49,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 05:44:49,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 05:44:49,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 05:44:49,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 05:44:49,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 05:44:49,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 05:44:49,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 05:44:49,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 05:44:49,576 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 05:44:49,577 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 05:44:49,577 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 05:44:49,577 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 05:44:49,577 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 05:44:49,577 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 05:44:49,577 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 05:44:49,578 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 05:44:49,578 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 05:44:49,578 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 05:44:49,578 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 05:44:49,578 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 05:44:49,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 05:44:49,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 05:44:49,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 05:44:49,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 05:44:49,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 05:44:49,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 05:44:49,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 05:44:49,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 05:44:49,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 05:44:49,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 05:44:49,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 05:44:49,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 05:44:49,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 05:44:49,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 05:44:49,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 05:44:49,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:44:49,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 05:44:49,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 05:44:49,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 05:44:49,582 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 05:44:49,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 05:44:49,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 05:44:49,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 05:44:49,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 05:44:49,583 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d3f5fa5c8c3d829aef3eebf7b5c06ebf07bf56b [2020-12-09 05:44:49,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 05:44:49,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 05:44:49,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 05:44:49,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 05:44:49,772 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 05:44:49,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2020-12-09 05:44:49,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/88c9b66f6/494058fd41db41bcb9489b053430d80a/FLAG878bdef34 [2020-12-09 05:44:50,172 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 05:44:50,173 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2020-12-09 05:44:50,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/88c9b66f6/494058fd41db41bcb9489b053430d80a/FLAG878bdef34 [2020-12-09 05:44:50,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/88c9b66f6/494058fd41db41bcb9489b053430d80a [2020-12-09 05:44:50,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 05:44:50,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 05:44:50,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 05:44:50,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 05:44:50,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 05:44:50,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1799b45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50, skipping insertion in model container [2020-12-09 05:44:50,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 05:44:50,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 05:44:50,316 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c[458,471] [2020-12-09 05:44:50,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:44:50,337 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 05:44:50,346 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c[458,471] [2020-12-09 05:44:50,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:44:50,363 INFO L208 MainTranslator]: Completed translation [2020-12-09 05:44:50,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50 WrapperNode [2020-12-09 05:44:50,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 05:44:50,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 05:44:50,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 05:44:50,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 05:44:50,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 05:44:50,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 05:44:50,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 05:44:50,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 05:44:50,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... [2020-12-09 05:44:50,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 05:44:50,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 05:44:50,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 05:44:50,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 05:44:50,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:44:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 05:44:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 05:44:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 05:44:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 05:44:50,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 05:44:50,611 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 05:44:50,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:44:50 BoogieIcfgContainer [2020-12-09 05:44:50,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 05:44:50,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 05:44:50,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 05:44:50,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 05:44:50,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:44:50" (1/3) ... [2020-12-09 05:44:50,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ed475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:44:50, skipping insertion in model container [2020-12-09 05:44:50,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:50" (2/3) ... [2020-12-09 05:44:50,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ed475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:44:50, skipping insertion in model container [2020-12-09 05:44:50,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:44:50" (3/3) ... [2020-12-09 05:44:50,618 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound5.c [2020-12-09 05:44:50,628 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 05:44:50,631 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 05:44:50,638 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-09 05:44:50,655 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 05:44:50,656 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 05:44:50,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 05:44:50,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 05:44:50,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 05:44:50,656 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 05:44:50,656 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 05:44:50,656 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 05:44:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-12-09 05:44:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 05:44:50,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 05:44:50,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 05:44:50,670 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 05:44:50,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 05:44:50,674 INFO L82 PathProgramCache]: Analyzing trace with hash 71331668, now seen corresponding path program 1 times [2020-12-09 05:44:50,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 05:44:50,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974139900] [2020-12-09 05:44:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 05:44:50,748 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 05:44:50,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039013311] [2020-12-09 05:44:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/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 [2020-12-09 05:44:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 05:44:50,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 05:44:50,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 05:44:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:44:50,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 05:44:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:44:50,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974139900] [2020-12-09 05:44:50,878 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 05:44:50,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039013311] [2020-12-09 05:44:50,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-09 05:44:50,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-12-09 05:44:50,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657793500] [2020-12-09 05:44:50,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 05:44:50,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 05:44:50,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 05:44:50,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 05:44:50,898 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 6 states. [2020-12-09 05:44:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 05:44:53,018 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2020-12-09 05:44:53,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 05:44:53,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-12-09 05:44:53,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 05:44:53,025 INFO L225 Difference]: With dead ends: 45 [2020-12-09 05:44:53,025 INFO L226 Difference]: Without dead ends: 22 [2020-12-09 05:44:53,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-12-09 05:44:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-12-09 05:44:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2020-12-09 05:44:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-09 05:44:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2020-12-09 05:44:53,048 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 5 [2020-12-09 05:44:53,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 05:44:53,048 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2020-12-09 05:44:53,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 05:44:53,049 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2020-12-09 05:44:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 05:44:53,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 05:44:53,049 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1] [2020-12-09 05:44:53,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-12-09 05:44:53,251 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 05:44:53,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 05:44:53,254 INFO L82 PathProgramCache]: Analyzing trace with hash 478489772, now seen corresponding path program 1 times [2020-12-09 05:44:53,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 05:44:53,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3510679] [2020-12-09 05:44:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 05:44:53,278 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 05:44:53,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841253817] [2020-12-09 05:44:53,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/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 [2020-12-09 05:44:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 05:44:53,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-09 05:44:53,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 05:44:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:44:53,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 05:44:53,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3510679] [2020-12-09 05:44:53,457 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 05:44:53,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841253817] [2020-12-09 05:44:53,457 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2020-12-09 05:44:53,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [914127571] [2020-12-09 05:44:53,473 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 05:44:53,473 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 05:44:53,476 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 05:44:53,480 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 05:44:53,481 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 05:44:53,888 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 05:44:56,222 WARN L197 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-12-09 05:44:56,527 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 05:44:56,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-09 05:44:56,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-09 05:44:56,527 ERROR L205 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2020-12-09 05:44:56,527 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 05:44:56,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 05:44:56,768 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-09 05:44:56,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:44:56 BoogieIcfgContainer [2020-12-09 05:44:56,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 05:44:56,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 05:44:56,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 05:44:56,771 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 05:44:56,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:44:50" (3/4) ... [2020-12-09 05:44:56,775 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 05:44:56,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 05:44:56,777 INFO L168 Benchmark]: Toolchain (without parser) took 6583.94 ms. Allocated memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: 31.5 MB). Free memory was 46.2 MB in the beginning and 74.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-12-09 05:44:56,778 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 77.6 MB. Free memory is still 36.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:44:56,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.87 ms. Allocated memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: 31.5 MB). Free memory was 45.9 MB in the beginning and 86.2 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 05:44:56,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.49 ms. Allocated memory is still 109.1 MB. Free memory was 86.2 MB in the beginning and 84.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 05:44:56,780 INFO L168 Benchmark]: Boogie Preprocessor took 15.57 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 84.1 MB in the end (delta: 622.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:44:56,781 INFO L168 Benchmark]: RCFGBuilder took 207.51 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 69.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 05:44:56,781 INFO L168 Benchmark]: TraceAbstraction took 6155.49 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 74.1 MB in the end (delta: -4.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:44:56,782 INFO L168 Benchmark]: Witness Printer took 5.26 ms. Allocated memory is still 109.1 MB. Free memory is still 74.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:44:56,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 77.6 MB. Free memory is still 36.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 170.87 ms. Allocated memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: 31.5 MB). Free memory was 45.9 MB in the beginning and 86.2 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 23.49 ms. Allocated memory is still 109.1 MB. Free memory was 86.2 MB in the beginning and 84.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.57 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 84.1 MB in the end (delta: 622.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 207.51 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 69.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6155.49 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 74.1 MB in the end (delta: -4.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.26 ms. Allocated memory is still 109.1 MB. Free memory is still 74.1 MB. There was no memory consumed. 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: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 [L27] EXPR counter++ [L27] COND TRUE counter++<5 [L10] COND FALSE !(!(cond)) [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y + x [L27] EXPR counter++ [L27] COND TRUE counter++<5 [L10] COND FALSE !(!(cond)) [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y + x [L27] EXPR counter++ [L27] COND TRUE counter++<5 [L10] COND TRUE !(cond) [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 6.0s, OverallIterations: 2, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 41 SDslu, 28 SDs, 0 SdLazy, 21 SolverSat, 16 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 53 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 [2020-12-09 05:44:58,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 05:44:58,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 05:44:58,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 05:44:58,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 05:44:58,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 05:44:58,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 05:44:58,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 05:44:58,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 05:44:58,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 05:44:58,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 05:44:58,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 05:44:58,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 05:44:58,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 05:44:58,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 05:44:58,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 05:44:58,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 05:44:58,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 05:44:58,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 05:44:58,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 05:44:58,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 05:44:58,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 05:44:58,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 05:44:58,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 05:44:58,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 05:44:58,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 05:44:58,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 05:44:58,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 05:44:58,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 05:44:58,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 05:44:58,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 05:44:58,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 05:44:58,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 05:44:58,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 05:44:58,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 05:44:58,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 05:44:58,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 05:44:58,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 05:44:58,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 05:44:58,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 05:44:58,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 05:44:58,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 05:44:58,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 05:44:58,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 05:44:58,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 05:44:58,386 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 05:44:58,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 05:44:58,386 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 05:44:58,386 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 05:44:58,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 05:44:58,387 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 05:44:58,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 05:44:58,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 05:44:58,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 05:44:58,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 05:44:58,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 05:44:58,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 05:44:58,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 05:44:58,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 05:44:58,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:44:58,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 05:44:58,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 05:44:58,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 05:44:58,389 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 05:44:58,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 05:44:58,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 05:44:58,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 05:44:58,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 05:44:58,390 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d3f5fa5c8c3d829aef3eebf7b5c06ebf07bf56b [2020-12-09 05:44:58,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 05:44:58,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 05:44:58,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 05:44:58,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 05:44:58,633 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 05:44:58,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2020-12-09 05:44:58,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/159780092/3da8b77892f844fe960a9829fe5125d5/FLAGf1b889760 [2020-12-09 05:44:59,059 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 05:44:59,059 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2020-12-09 05:44:59,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/159780092/3da8b77892f844fe960a9829fe5125d5/FLAGf1b889760 [2020-12-09 05:44:59,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/data/159780092/3da8b77892f844fe960a9829fe5125d5 [2020-12-09 05:44:59,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 05:44:59,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 05:44:59,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 05:44:59,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 05:44:59,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 05:44:59,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49663de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59, skipping insertion in model container [2020-12-09 05:44:59,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 05:44:59,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 05:44:59,202 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c[458,471] [2020-12-09 05:44:59,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:44:59,226 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 05:44:59,238 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c[458,471] [2020-12-09 05:44:59,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:44:59,256 INFO L208 MainTranslator]: Completed translation [2020-12-09 05:44:59,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59 WrapperNode [2020-12-09 05:44:59,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 05:44:59,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 05:44:59,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 05:44:59,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 05:44:59,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 05:44:59,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 05:44:59,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 05:44:59,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 05:44:59,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... [2020-12-09 05:44:59,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 05:44:59,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 05:44:59,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 05:44:59,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 05:44:59,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:44:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 05:44:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 05:44:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 05:44:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 05:44:59,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 05:44:59,863 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 05:44:59,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:44:59 BoogieIcfgContainer [2020-12-09 05:44:59,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 05:44:59,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 05:44:59,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 05:44:59,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 05:44:59,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:44:59" (1/3) ... [2020-12-09 05:44:59,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f1bca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:44:59, skipping insertion in model container [2020-12-09 05:44:59,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:44:59" (2/3) ... [2020-12-09 05:44:59,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f1bca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:44:59, skipping insertion in model container [2020-12-09 05:44:59,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:44:59" (3/3) ... [2020-12-09 05:44:59,869 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound5.c [2020-12-09 05:44:59,878 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 05:44:59,880 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 05:44:59,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-09 05:44:59,906 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 05:44:59,906 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 05:44:59,906 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 05:44:59,906 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 05:44:59,906 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 05:44:59,906 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 05:44:59,907 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 05:44:59,907 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 05:44:59,919 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-12-09 05:44:59,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 05:44:59,922 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 05:44:59,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 05:44:59,923 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 05:44:59,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 05:44:59,927 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2020-12-09 05:44:59,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 05:44:59,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105232147] [2020-12-09 05:44:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 05:45:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 05:45:00,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 05:45:00,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 05:45:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:45:00,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 05:45:00,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105232147] [2020-12-09 05:45:00,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 05:45:00,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 05:45:00,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870485227] [2020-12-09 05:45:00,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 05:45:00,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 05:45:00,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 05:45:00,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 05:45:00,169 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2020-12-09 05:45:00,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 05:45:00,792 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2020-12-09 05:45:00,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 05:45:00,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-12-09 05:45:00,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 05:45:00,803 INFO L225 Difference]: With dead ends: 44 [2020-12-09 05:45:00,803 INFO L226 Difference]: Without dead ends: 19 [2020-12-09 05:45:00,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 05:45:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-09 05:45:00,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2020-12-09 05:45:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 05:45:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-12-09 05:45:00,834 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 6 [2020-12-09 05:45:00,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 05:45:00,834 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-12-09 05:45:00,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 05:45:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-12-09 05:45:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 05:45:00,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 05:45:00,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-12-09 05:45:01,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 05:45:01,037 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 05:45:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 05:45:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash 855725686, now seen corresponding path program 1 times [2020-12-09 05:45:01,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 05:45:01,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595748037] [2020-12-09 05:45:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 05:45:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 05:45:01,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 05:45:01,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 05:45:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:45:01,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 05:45:03,005 WARN L197 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 05:45:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 05:45:03,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595748037] [2020-12-09 05:45:03,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1841970279] [2020-12-09 05:45:03,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/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 [2020-12-09 05:45:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 05:45:04,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 05:45:04,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 05:45:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:45:04,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 05:45:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 05:45:04,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37359271] [2020-12-09 05:45:04,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_790087a9-096c-4b8a-83a4-e8dfc7991e1d/bin/utaipan/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 [2020-12-09 05:45:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 05:45:04,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 05:45:04,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 05:45:05,517 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 11 [2020-12-09 05:45:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:45:05,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 05:45:08,188 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 05:45:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:45:08,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 05:45:08,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5, 4, 6, 5] total 9 [2020-12-09 05:45:08,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077503389] [2020-12-09 05:45:08,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 05:45:08,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 05:45:08,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 05:45:08,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-12-09 05:45:08,202 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 9 states. [2020-12-09 05:45:08,750 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-09 05:45:10,815 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-09 05:45:13,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 05:45:13,011 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2020-12-09 05:45:13,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 05:45:13,038 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2020-12-09 05:45:13,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 05:45:13,039 INFO L225 Difference]: With dead ends: 22 [2020-12-09 05:45:13,039 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 05:45:13,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-09 05:45:13,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 05:45:13,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 05:45:13,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 05:45:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 05:45:13,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-12-09 05:45:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 05:45:13,040 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 05:45:13,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 05:45:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 05:45:13,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 05:45:13,642 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 [2020-12-09 05:45:13,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 05:45:16,037 WARN L197 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2020-12-09 05:45:18,047 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-12-09 05:45:18,049 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 05:45:18,049 INFO L262 CegarLoopResult]: For program point L27-1(lines 27 36) no Hoare annotation was computed. [2020-12-09 05:45:18,049 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-09 05:45:18,049 INFO L258 CegarLoopResult]: At program point L27-3(lines 27 36) 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)))) [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point L27-4(lines 27 36) no Hoare annotation was computed. [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point L11(lines 11 12) no Hoare annotation was computed. [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2020-12-09 05:45:18,050 INFO L265 CegarLoopResult]: At program point L38(lines 18 39) the Hoare annotation is: true [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-09 05:45:18,050 INFO L262 CegarLoopResult]: For program point L10(lines 10 13) no Hoare annotation was computed. [2020-12-09 05:45:18,051 INFO L258 CegarLoopResult]: At program point L10-2(lines 30 31) 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)))) [2020-12-09 05:45:18,051 INFO L262 CegarLoopResult]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2020-12-09 05:45:18,051 INFO L265 CegarLoopResult]: At program point L10-5(lines 9 15) the Hoare annotation is: true [2020-12-09 05:45:18,056 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) [2020-12-09 05:45:18,058 INFO L168 Benchmark]: Toolchain (without parser) took 18982.43 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 45.0 MB in the beginning and 48.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2020-12-09 05:45:18,059 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:45:18,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.12 ms. Allocated memory is still 62.9 MB. Free memory was 44.8 MB in the beginning and 34.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 05:45:18,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.30 ms. Allocated memory is still 62.9 MB. Free memory was 34.5 MB in the beginning and 47.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 05:45:18,060 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 62.9 MB. Free memory was 47.4 MB in the beginning and 46.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:45:18,061 INFO L168 Benchmark]: RCFGBuilder took 542.22 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 33.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 05:45:18,062 INFO L168 Benchmark]: TraceAbstraction took 18192.73 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 33.1 MB in the beginning and 48.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-12-09 05:45:18,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 180.12 ms. Allocated memory is still 62.9 MB. Free memory was 44.8 MB in the beginning and 34.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.30 ms. Allocated memory is still 62.9 MB. Free memory was 34.5 MB in the beginning and 47.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 62.9 MB. Free memory was 47.4 MB in the beginning and 46.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 542.22 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 33.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18192.73 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 33.1 MB in the beginning and 48.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 17.2 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: 18]: 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...