./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72573711c7ecb055b02fc78b1cf1ae2c3d756217 .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72573711c7ecb055b02fc78b1cf1ae2c3d756217 ........................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:40,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:40,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:40,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:40,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:40,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:40,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:40,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:40,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:40,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:40,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:40,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:40,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:40,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:40,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:40,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:40,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:40,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:40,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:40,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:40,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:40,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:40,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:40,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:40,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:40,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:40,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:40,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:40,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:40,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:40,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:40,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:40,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:40,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:40,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:40,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:40,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:40,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:40,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:40,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:40,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:40,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:40,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:40,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:40,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:40,702 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:40,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:40,703 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:40,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:40,703 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:40,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:40,712 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:40,712 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:40,713 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:40,713 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:40,713 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:40,713 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:40,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:40,714 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:40,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:40,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:40,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:40,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:40,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:40,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:40,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:40,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:40,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:40,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:40,717 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:40,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:40,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:40,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:40,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:40,717 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72573711c7ecb055b02fc78b1cf1ae2c3d756217 [2021-10-11 02:25:41,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:41,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:41,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:41,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:41,040 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:41,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2021-10-11 02:25:41,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/d5d85e622/c483888089a349fd9e7716e695553467/FLAG6b0093041 [2021-10-11 02:25:41,653 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:41,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2021-10-11 02:25:41,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/d5d85e622/c483888089a349fd9e7716e695553467/FLAG6b0093041 [2021-10-11 02:25:42,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/d5d85e622/c483888089a349fd9e7716e695553467 [2021-10-11 02:25:42,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:42,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:42,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:42,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:42,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:42,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197693d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42, skipping insertion in model container [2021-10-11 02:25:42,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:42,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:42,195 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2021-10-11 02:25:42,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:42,222 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:42,231 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2021-10-11 02:25:42,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:42,249 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:42,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42 WrapperNode [2021-10-11 02:25:42,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:42,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:42,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:42,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:42,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:42,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:42,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:42,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:42,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:42,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:42,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:42,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:42,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:25:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:42,731 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:42,732 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 02:25:42,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:42 BoogieIcfgContainer [2021-10-11 02:25:42,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:42,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:42,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:42,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:42,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:42" (1/3) ... [2021-10-11 02:25:42,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ef9185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:42, skipping insertion in model container [2021-10-11 02:25:42,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42" (2/3) ... [2021-10-11 02:25:42,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ef9185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:42, skipping insertion in model container [2021-10-11 02:25:42,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:42" (3/3) ... [2021-10-11 02:25:42,746 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound20.c [2021-10-11 02:25:42,765 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:42,769 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:25:42,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 02:25:42,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:42,806 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:42,806 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:42,806 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:42,807 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:42,807 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:42,807 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:42,807 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2021-10-11 02:25:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:25:42,831 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:42,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:25:42,833 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:42,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:42,839 INFO L82 PathProgramCache]: Analyzing trace with hash 71331668, now seen corresponding path program 1 times [2021-10-11 02:25:42,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:25:42,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638807325] [2021-10-11 02:25:42,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:25:42,938 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:25:42,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246941028] [2021-10-11 02:25:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:43,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:25:43,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:43,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:43,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638807325] [2021-10-11 02:25:43,157 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:25:43,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246941028] [2021-10-11 02:25:43,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:43,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-11 02:25:43,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419747847] [2021-10-11 02:25:43,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:25:43,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:25:43,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:25:43,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:43,179 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 6 states. [2021-10-11 02:25:45,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:45,303 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2021-10-11 02:25:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:25:45,305 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2021-10-11 02:25:45,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:45,313 INFO L225 Difference]: With dead ends: 45 [2021-10-11 02:25:45,313 INFO L226 Difference]: Without dead ends: 22 [2021-10-11 02:25:45,316 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 [2021-10-11 02:25:45,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-11 02:25:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-10-11 02:25:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-11 02:25:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-10-11 02:25:45,349 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 5 [2021-10-11 02:25:45,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:45,349 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-10-11 02:25:45,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:25:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-11 02:25:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 02:25:45,350 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:45,350 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1] [2021-10-11 02:25:45,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-10-11 02:25:45,565 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:45,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:45,566 INFO L82 PathProgramCache]: Analyzing trace with hash 478489772, now seen corresponding path program 1 times [2021-10-11 02:25:45,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:25:45,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327283675] [2021-10-11 02:25:45,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:25:45,582 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:25:45,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710184122] [2021-10-11 02:25:45,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:45,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-11 02:25:45,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:45,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:45,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327283675] [2021-10-11 02:25:45,868 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:25:45,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710184122] [2021-10-11 02:25:45,868 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2021-10-11 02:25:45,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1375971653] [2021-10-11 02:25:45,892 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-11 02:25:45,892 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:25:45,897 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:25:45,903 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:25:45,903 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:25:46,573 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-10-11 02:25:46,717 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:25:48,894 WARN L197 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2021-10-11 02:25:51,437 WARN L197 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2021-10-11 02:25:51,439 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:25:51,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:51,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-11 02:25:51,440 ERROR L205 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-10-11 02:25:51,440 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:25:51,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:51,664 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2021-10-11 02:25:51,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:51 BoogieIcfgContainer [2021-10-11 02:25:51,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:51,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:51,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:51,666 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:51,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:42" (3/4) ... [2021-10-11 02:25:51,671 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:25:51,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:51,673 INFO L168 Benchmark]: Toolchain (without parser) took 9668.32 ms. Allocated memory was 130.0 MB in the beginning and 161.5 MB in the end (delta: 31.5 MB). Free memory was 96.3 MB in the beginning and 114.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,674 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 70.5 MB in the beginning and 70.5 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:51,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.51 ms. Allocated memory is still 130.0 MB. Free memory was 96.3 MB in the beginning and 106.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.69 ms. Allocated memory is still 130.0 MB. Free memory was 106.7 MB in the beginning and 105.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,677 INFO L168 Benchmark]: Boogie Preprocessor took 22.38 ms. Allocated memory is still 130.0 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,678 INFO L168 Benchmark]: RCFGBuilder took 427.36 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 90.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,679 INFO L168 Benchmark]: TraceAbstraction took 8929.45 ms. Allocated memory was 130.0 MB in the beginning and 161.5 MB in the end (delta: 31.5 MB). Free memory was 89.9 MB in the beginning and 114.7 MB in the end (delta: -24.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,679 INFO L168 Benchmark]: Witness Printer took 5.55 ms. Allocated memory is still 161.5 MB. Free memory is still 114.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:51,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 70.5 MB in the beginning and 70.5 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 241.51 ms. Allocated memory is still 130.0 MB. Free memory was 96.3 MB in the beginning and 106.7 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 32.69 ms. Allocated memory is still 130.0 MB. Free memory was 106.7 MB in the beginning and 105.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.38 ms. Allocated memory is still 130.0 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 427.36 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 90.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8929.45 ms. Allocated memory was 130.0 MB in the beginning and 161.5 MB in the end (delta: 31.5 MB). Free memory was 89.9 MB in the beginning and 114.7 MB in the end (delta: -24.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.55 ms. Allocated memory is still 161.5 MB. Free memory is still 114.7 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++<20 [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++<20 [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++<20 [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: 8.8s, 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, 0.1s 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 [2021-10-11 02:25:54,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:54,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:54,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:54,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:54,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:54,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:54,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:54,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:54,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:54,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:54,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:54,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:54,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:54,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:54,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:54,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:54,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:54,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:54,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:54,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:54,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:54,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:54,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:54,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:54,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:54,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:54,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:54,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:54,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:54,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:54,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:54,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:54,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:54,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:54,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:54,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:54,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:54,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:54,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:54,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:54,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:54,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:54,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:54,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:54,667 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:54,667 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:54,667 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:54,667 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:54,668 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:54,669 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:54,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:54,671 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:54,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:54,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:54,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:54,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:54,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:54,673 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:54,673 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:54,673 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:54,674 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:54,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:54,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:54,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:54,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:54,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:54,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:54,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:54,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:54,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:54,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:54,676 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:54,677 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:54,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:54,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:54,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:54,678 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72573711c7ecb055b02fc78b1cf1ae2c3d756217 [2021-10-11 02:25:55,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:55,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:55,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:55,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:55,178 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:55,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2021-10-11 02:25:55,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/1ca809f6f/c8fd788dac4341128e794ae8541cdf73/FLAGcef68d3ae [2021-10-11 02:25:55,847 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:55,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2021-10-11 02:25:55,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/1ca809f6f/c8fd788dac4341128e794ae8541cdf73/FLAGcef68d3ae [2021-10-11 02:25:56,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/data/1ca809f6f/c8fd788dac4341128e794ae8541cdf73 [2021-10-11 02:25:56,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:56,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:56,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:56,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:56,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:56,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56af982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56, skipping insertion in model container [2021-10-11 02:25:56,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:56,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:56,412 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2021-10-11 02:25:56,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:56,446 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:56,474 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2021-10-11 02:25:56,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:56,507 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:56,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56 WrapperNode [2021-10-11 02:25:56,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:56,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:56,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:56,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:56,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:56,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:56,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:56,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:56,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... [2021-10-11 02:25:56,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:56,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:56,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:56,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:56,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:57,648 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:57,649 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 02:25:57,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:57 BoogieIcfgContainer [2021-10-11 02:25:57,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:57,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:57,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:57,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:57,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:56" (1/3) ... [2021-10-11 02:25:57,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7a2e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:57, skipping insertion in model container [2021-10-11 02:25:57,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56" (2/3) ... [2021-10-11 02:25:57,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7a2e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:57, skipping insertion in model container [2021-10-11 02:25:57,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:57" (3/3) ... [2021-10-11 02:25:57,661 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound20.c [2021-10-11 02:25:57,678 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:57,682 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:25:57,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 02:25:57,736 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:57,736 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:57,736 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:57,736 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:57,737 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:57,737 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:57,737 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:57,737 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2021-10-11 02:25:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:25:57,767 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:57,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:25:57,768 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:57,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:57,783 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2021-10-11 02:25:57,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:57,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136082083] [2021-10-11 02:25:57,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:58,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:58,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:58,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:58,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:58,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136082083] [2021-10-11 02:25:58,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:58,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:58,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974914016] [2021-10-11 02:25:58,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:58,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:58,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:58,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:58,321 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2021-10-11 02:25:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:59,279 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2021-10-11 02:25:59,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:59,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2021-10-11 02:25:59,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:59,290 INFO L225 Difference]: With dead ends: 44 [2021-10-11 02:25:59,290 INFO L226 Difference]: Without dead ends: 19 [2021-10-11 02:25:59,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-11 02:25:59,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2021-10-11 02:25:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 02:25:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-10-11 02:25:59,329 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 6 [2021-10-11 02:25:59,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:59,330 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-10-11 02:25:59,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-10-11 02:25:59,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:25:59,331 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:59,331 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:59,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:59,540 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:59,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:59,541 INFO L82 PathProgramCache]: Analyzing trace with hash 855725686, now seen corresponding path program 1 times [2021-10-11 02:25:59,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:59,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604240526] [2021-10-11 02:25:59,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:59,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:59,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:00,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:02,205 WARN L197 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-10-11 02:26:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:26:03,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604240526] [2021-10-11 02:26:03,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1022649555] [2021-10-11 02:26:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:03,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:26:03,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:03,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 02:26:05,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100431950] [2021-10-11 02:26:05,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84412658-ffa1-466b-ab20-770439484c51/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:05,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:26:05,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:06,423 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 11 [2021-10-11 02:26:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:06,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:10,004 WARN L197 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-10-11 02:26:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:10,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:26:10,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5, 4, 6, 5] total 9 [2021-10-11 02:26:10,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017490676] [2021-10-11 02:26:10,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 02:26:10,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:10,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 02:26:10,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:26:10,051 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 9 states. [2021-10-11 02:26:10,603 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:26:13,120 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 26 [2021-10-11 02:26:15,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:15,444 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2021-10-11 02:26:15,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:15,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2021-10-11 02:26:15,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:15,476 INFO L225 Difference]: With dead ends: 22 [2021-10-11 02:26:15,476 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:15,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:26:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:15,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:15,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-11 02:26:15,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:15,478 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:15,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 02:26:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:15,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:16,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3,4 cvc4 --incremental --print-success --lang smt,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:16,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:19,272 WARN L197 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2021-10-11 02:26:21,827 WARN L197 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2021-10-11 02:26:21,830 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,830 INFO L262 CegarLoopResult]: For program point L27-1(lines 27 36) no Hoare annotation was computed. [2021-10-11 02:26:21,830 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-10-11 02:26:21,830 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)))) [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point L27-4(lines 27 36) no Hoare annotation was computed. [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point L11(lines 11 12) no Hoare annotation was computed. [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2021-10-11 02:26:21,831 INFO L265 CegarLoopResult]: At program point L38(lines 18 39) the Hoare annotation is: true [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-10-11 02:26:21,831 INFO L262 CegarLoopResult]: For program point L10(lines 10 13) no Hoare annotation was computed. [2021-10-11 02:26:21,832 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)))) [2021-10-11 02:26:21,832 INFO L262 CegarLoopResult]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2021-10-11 02:26:21,832 INFO L265 CegarLoopResult]: At program point L10-5(lines 9 15) the Hoare annotation is: true [2021-10-11 02:26:21,846 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-11 02:26:21,849 INFO L168 Benchmark]: Toolchain (without parser) took 25657.44 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.1 MB in the beginning and 37.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,850 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 39.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:21,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.77 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.0 MB in the beginning and 60.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.93 ms. Allocated memory is still 77.6 MB. Free memory was 60.8 MB in the beginning and 59.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,853 INFO L168 Benchmark]: Boogie Preprocessor took 55.98 ms. Allocated memory is still 77.6 MB. Free memory was 59.3 MB in the beginning and 58.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:21,854 INFO L168 Benchmark]: RCFGBuilder took 999.00 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 45.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,854 INFO L168 Benchmark]: TraceAbstraction took 24194.73 ms. Allocated memory is still 77.6 MB. Free memory was 44.9 MB in the beginning and 37.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 39.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 315.77 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.0 MB in the beginning and 60.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.93 ms. Allocated memory is still 77.6 MB. Free memory was 60.8 MB in the beginning and 59.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.98 ms. Allocated memory is still 77.6 MB. Free memory was 59.3 MB in the beginning and 58.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 999.00 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 45.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24194.73 ms. Allocated memory is still 77.6 MB. Free memory was 44.9 MB in the beginning and 37.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 11.1 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...