./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG --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 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 .............................................................................................................................................................................................................................................................................................................................. 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_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG --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 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 06:00:12,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:00:12,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:00:12,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:00:12,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:00:12,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:00:12,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:00:12,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:00:12,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:00:12,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:00:12,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:00:12,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:00:12,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:00:12,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:00:12,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:00:12,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:00:12,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:00:12,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:00:12,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:00:12,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:00:12,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:00:12,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:00:12,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:00:12,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:00:12,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:00:12,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:00:12,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:00:12,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:00:12,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:00:12,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:00:12,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:00:12,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:00:12,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:00:12,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:00:12,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:00:12,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:00:12,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:00:12,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:00:12,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:00:12,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:00:12,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:00:12,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 06:00:12,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:00:12,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:00:12,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:00:12,796 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:00:12,797 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:00:12,797 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:00:12,797 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 06:00:12,797 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:00:12,798 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:00:12,798 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 06:00:12,799 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 06:00:12,800 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:00:12,800 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 06:00:12,801 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 06:00:12,801 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 06:00:12,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:00:12,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:00:12,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 06:00:12,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:00:12,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:00:12,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 06:00:12,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:00:12,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 06:00:12,804 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 06:00:12,805 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:00:12,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 06:00:12,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:00:12,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 06:00:12,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:00:12,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:00:12,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:00:12,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:00:12,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:00:12,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 06:00:12,810 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 06:00:12,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 06:00:12,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 06:00:12,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:00:12,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:00:12,811 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_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 [2021-10-29 06:00:13,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:00:13,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:00:13,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:00:13,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:00:13,242 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:00:13,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-10-29 06:00:13,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/459402a8a/7ee99567f36b4d33b9ed373073dae10a/FLAGb1edb1942 [2021-10-29 06:00:13,969 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:00:13,970 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-10-29 06:00:13,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/459402a8a/7ee99567f36b4d33b9ed373073dae10a/FLAGb1edb1942 [2021-10-29 06:00:14,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/459402a8a/7ee99567f36b4d33b9ed373073dae10a [2021-10-29 06:00:14,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:00:14,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:00:14,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:00:14,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:00:14,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:00:14,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:14,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df299d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14, skipping insertion in model container [2021-10-29 06:00:14,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:14,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:00:14,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:00:14,778 WARN L228 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_631bc3cc-d551-4029-be39-50ae464deb2d/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-10-29 06:00:14,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:00:14,792 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 06:00:14,842 WARN L228 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_631bc3cc-d551-4029-be39-50ae464deb2d/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-10-29 06:00:14,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:00:14,860 INFO L208 MainTranslator]: Completed translation [2021-10-29 06:00:14,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14 WrapperNode [2021-10-29 06:00:14,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:00:14,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 06:00:14,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 06:00:14,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 06:00:14,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:14,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:14,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 06:00:14,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 06:00:14,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 06:00:14,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 06:00:14,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:14,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:14,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:14,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:15,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:15,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:15,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:15,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 06:00:15,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 06:00:15,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 06:00:15,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 06:00:15,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (1/1) ... [2021-10-29 06:00:15,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:00:15,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 06:00:15,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 06:00:15,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 06:00:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 06:00:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 06:00:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 06:00:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-29 06:00:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-29 06:00:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 06:00:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 06:00:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 06:00:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-29 06:00:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 06:00:16,077 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 06:00:16,077 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-29 06:00:16,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:16 BoogieIcfgContainer [2021-10-29 06:00:16,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 06:00:16,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 06:00:16,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 06:00:16,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 06:00:16,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:00:14" (1/3) ... [2021-10-29 06:00:16,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2f976b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:16, skipping insertion in model container [2021-10-29 06:00:16,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:14" (2/3) ... [2021-10-29 06:00:16,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2f976b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:16, skipping insertion in model container [2021-10-29 06:00:16,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:16" (3/3) ... [2021-10-29 06:00:16,098 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2021-10-29 06:00:16,109 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 06:00:16,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 06:00:16,169 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 06:00:16,176 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 06:00:16,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 06:00:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 44 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 06:00:16,200 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:16,201 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:16,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:16,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:16,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1875325126, now seen corresponding path program 1 times [2021-10-29 06:00:16,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 06:00:16,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369400446] [2021-10-29 06:00:16,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:16,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 06:00:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:16,404 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 06:00:16,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369400446] [2021-10-29 06:00:16,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369400446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:16,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:16,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 06:00:16,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858806761] [2021-10-29 06:00:16,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 06:00:16,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 06:00:16,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 06:00:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:00:16,432 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 44 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:16,454 INFO L93 Difference]: Finished difference Result 88 states and 149 transitions. [2021-10-29 06:00:16,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 06:00:16,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-29 06:00:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:16,467 INFO L225 Difference]: With dead ends: 88 [2021-10-29 06:00:16,467 INFO L226 Difference]: Without dead ends: 42 [2021-10-29 06:00:16,470 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:00:16,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-10-29 06:00:16,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-10-29 06:00:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 41 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions. [2021-10-29 06:00:16,514 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 10 [2021-10-29 06:00:16,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:16,514 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 60 transitions. [2021-10-29 06:00:16,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2021-10-29 06:00:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 06:00:16,516 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:16,516 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:16,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 06:00:16,517 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:16,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:16,519 INFO L85 PathProgramCache]: Analyzing trace with hash -86320413, now seen corresponding path program 1 times [2021-10-29 06:00:16,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 06:00:16,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629844352] [2021-10-29 06:00:16,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:16,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 06:00:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 06:00:16,610 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 06:00:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 06:00:16,697 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 06:00:16,698 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 06:00:16,700 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:16,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 06:00:16,706 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 06:00:16,710 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:00:16,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:00:16 BoogieIcfgContainer [2021-10-29 06:00:16,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:00:16,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:00:16,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:00:16,745 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:00:16,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:16" (3/4) ... [2021-10-29 06:00:16,755 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 06:00:16,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:00:16,759 INFO L168 Benchmark]: Toolchain (without parser) took 2428.24 ms. Allocated memory is still 96.5 MB. Free memory was 63.6 MB in the beginning and 52.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:16,760 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:00:16,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.91 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 71.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:16,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.98 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 68.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:16,772 INFO L168 Benchmark]: Boogie Preprocessor took 89.70 ms. Allocated memory is still 96.5 MB. Free memory was 68.4 MB in the beginning and 66.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:16,773 INFO L168 Benchmark]: RCFGBuilder took 1033.23 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 38.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:16,774 INFO L168 Benchmark]: TraceAbstraction took 658.45 ms. Allocated memory is still 96.5 MB. Free memory was 37.9 MB in the beginning and 52.6 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:00:16,774 INFO L168 Benchmark]: Witness Printer took 11.13 ms. Allocated memory is still 96.5 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:00:16,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.91 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 71.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.98 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 68.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.70 ms. Allocated memory is still 96.5 MB. Free memory was 68.4 MB in the beginning and 66.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1033.23 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 38.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 658.45 ms. Allocated memory is still 96.5 MB. Free memory was 37.9 MB in the beginning and 52.6 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 11.13 ms. Allocated memory is still 96.5 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 193]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 192, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L184] double x = 0.0; [L185] double y = __VERIFIER_nondet_double(); [L187] COND TRUE y < 0.0 || y > 0.0 [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={5:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={5:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={5:0}] [L189] double res = fmod_double(x, y); [L192] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={5:0}] [L192] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L193] reach_error() VAL [one_fmod=1, Zero_fmod={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-10-29 06:00:16,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 06:00:19,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:00:19,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:00:19,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:00:19,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:00:19,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:00:19,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:00:19,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:00:19,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:00:19,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:00:19,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:00:19,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:00:19,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:00:19,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:00:19,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:00:19,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:00:19,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:00:19,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:00:19,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:00:19,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:00:19,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:00:19,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:00:19,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:00:19,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:00:19,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:00:19,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:00:19,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:00:19,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:00:19,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:00:19,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:00:19,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:00:19,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:00:19,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:00:19,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:00:19,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:00:19,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:00:19,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:00:19,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:00:19,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:00:19,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:00:19,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:00:19,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 06:00:19,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:00:19,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:00:19,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:00:19,735 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:00:19,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:00:19,735 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:00:19,736 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:00:19,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:00:19,736 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:00:19,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:00:19,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:00:19,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:00:19,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:00:19,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 06:00:19,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:00:19,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 06:00:19,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 06:00:19,742 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 06:00:19,742 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 06:00:19,742 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:00:19,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 06:00:19,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:00:19,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 06:00:19,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:00:19,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 06:00:19,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:00:19,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:00:19,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:00:19,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:00:19,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 06:00:19,745 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 06:00:19,745 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 06:00:19,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 06:00:19,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:00:19,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:00:19,747 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_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 [2021-10-29 06:00:20,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:00:20,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:00:20,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:00:20,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:00:20,254 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:00:20,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-10-29 06:00:20,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/dcd5790ff/fc963c4dfd654fce95f5e18bcc9489b1/FLAGc046fe412 [2021-10-29 06:00:20,955 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:00:20,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-10-29 06:00:20,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/dcd5790ff/fc963c4dfd654fce95f5e18bcc9489b1/FLAGc046fe412 [2021-10-29 06:00:21,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/data/dcd5790ff/fc963c4dfd654fce95f5e18bcc9489b1 [2021-10-29 06:00:21,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:00:21,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:00:21,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:00:21,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:00:21,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:00:21,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dc34b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21, skipping insertion in model container [2021-10-29 06:00:21,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:00:21,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:00:21,699 WARN L228 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_631bc3cc-d551-4029-be39-50ae464deb2d/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-10-29 06:00:21,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:00:21,751 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 06:00:21,836 WARN L228 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_631bc3cc-d551-4029-be39-50ae464deb2d/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-10-29 06:00:21,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:00:21,858 INFO L208 MainTranslator]: Completed translation [2021-10-29 06:00:21,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21 WrapperNode [2021-10-29 06:00:21,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:00:21,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 06:00:21,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 06:00:21,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 06:00:21,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 06:00:21,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 06:00:21,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 06:00:21,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 06:00:21,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 06:00:21,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 06:00:21,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 06:00:21,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 06:00:21,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (1/1) ... [2021-10-29 06:00:21,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:00:21,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 06:00:22,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 06:00:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 06:00:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-29 06:00:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-29 06:00:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 06:00:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 06:00:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-29 06:00:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 06:00:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 06:00:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 06:00:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 06:00:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 06:00:27,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 06:00:27,719 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-29 06:00:27,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:27 BoogieIcfgContainer [2021-10-29 06:00:27,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 06:00:27,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 06:00:27,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 06:00:27,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 06:00:27,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:00:21" (1/3) ... [2021-10-29 06:00:27,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a63477f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:27, skipping insertion in model container [2021-10-29 06:00:27,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:21" (2/3) ... [2021-10-29 06:00:27,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a63477f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:27, skipping insertion in model container [2021-10-29 06:00:27,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:27" (3/3) ... [2021-10-29 06:00:27,733 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2021-10-29 06:00:27,740 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 06:00:27,740 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 06:00:27,799 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 06:00:27,807 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 06:00:27,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 06:00:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 60 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:27,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 06:00:27,833 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:27,834 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:27,835 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2021-10-29 06:00:27,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:27,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925923853] [2021-10-29 06:00:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:27,858 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:27,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:27,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 06:00:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:29,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 06:00:29,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:29,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:29,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:29,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925923853] [2021-10-29 06:00:29,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925923853] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:29,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:29,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 06:00:29,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420726154] [2021-10-29 06:00:29,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 06:00:29,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:29,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 06:00:29,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:00:29,340 INFO L87 Difference]: Start difference. First operand has 61 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 60 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:29,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:29,363 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2021-10-29 06:00:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 06:00:29,364 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-29 06:00:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:29,375 INFO L225 Difference]: With dead ends: 119 [2021-10-29 06:00:29,376 INFO L226 Difference]: Without dead ends: 57 [2021-10-29 06:00:29,379 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:00:29,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-29 06:00:29,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-29 06:00:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.5) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2021-10-29 06:00:29,422 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2021-10-29 06:00:29,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:29,422 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2021-10-29 06:00:29,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2021-10-29 06:00:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 06:00:29,424 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:29,425 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:29,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 06:00:29,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:29,638 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:29,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:29,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2021-10-29 06:00:29,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:29,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57331828] [2021-10-29 06:00:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:29,642 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:29,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:29,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:29,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 06:00:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:31,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 06:00:31,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:31,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-10-29 06:00:32,425 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 06:00:32,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 71 [2021-10-29 06:00:32,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-10-29 06:00:36,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:36,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:38,126 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 06:00:38,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 109 [2021-10-29 06:00:38,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 06:00:38,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 123 [2021-10-29 06:00:38,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-29 06:00:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:40,730 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:40,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57331828] [2021-10-29 06:00:40,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57331828] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:40,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:40,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-10-29 06:00:40,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140771801] [2021-10-29 06:00:40,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-29 06:00:40,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:40,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-29 06:00:40,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=103, Unknown=2, NotChecked=0, Total=132 [2021-10-29 06:00:40,737 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:10,769 INFO L93 Difference]: Finished difference Result 179 states and 252 transitions. [2021-10-29 06:02:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 06:02:10,771 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-29 06:02:10,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:10,774 INFO L225 Difference]: With dead ends: 179 [2021-10-29 06:02:10,775 INFO L226 Difference]: Without dead ends: 134 [2021-10-29 06:02:10,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=104, Invalid=272, Unknown=4, NotChecked=0, Total=380 [2021-10-29 06:02:10,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-29 06:02:10,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 55. [2021-10-29 06:02:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2021-10-29 06:02:10,792 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2021-10-29 06:02:10,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:10,793 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2021-10-29 06:02:10,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2021-10-29 06:02:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 06:02:10,794 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:10,795 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:10,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:11,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:11,010 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:11,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:11,011 INFO L85 PathProgramCache]: Analyzing trace with hash 734189607, now seen corresponding path program 1 times [2021-10-29 06:02:11,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:11,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665202021] [2021-10-29 06:02:11,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:11,012 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:11,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:11,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:11,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 06:02:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:11,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 06:02:11,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:11,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:12,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:12,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665202021] [2021-10-29 06:02:12,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665202021] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:12,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:12,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-10-29 06:02:12,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114224817] [2021-10-29 06:02:12,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 06:02:12,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:12,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 06:02:12,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 06:02:12,110 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:15,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:15,058 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2021-10-29 06:02:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 06:02:15,059 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-29 06:02:15,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:15,061 INFO L225 Difference]: With dead ends: 76 [2021-10-29 06:02:15,061 INFO L226 Difference]: Without dead ends: 73 [2021-10-29 06:02:15,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-29 06:02:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-29 06:02:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2021-10-29 06:02:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2021-10-29 06:02:15,076 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 15 [2021-10-29 06:02:15,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:15,077 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2021-10-29 06:02:15,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:15,077 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-10-29 06:02:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 06:02:15,078 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:15,079 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:15,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:15,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:15,297 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:15,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1151454894, now seen corresponding path program 1 times [2021-10-29 06:02:15,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:15,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548870919] [2021-10-29 06:02:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:15,298 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:15,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:15,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:15,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 06:02:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:15,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 06:02:15,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:15,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-10-29 06:02:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:16,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:17,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2021-10-29 06:02:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:18,764 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:18,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548870919] [2021-10-29 06:02:18,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548870919] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:18,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:18,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-29 06:02:18,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098703217] [2021-10-29 06:02:18,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-29 06:02:18,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:18,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-29 06:02:18,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-10-29 06:02:18,767 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:19,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:19,575 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2021-10-29 06:02:19,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 06:02:19,577 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 06:02:19,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:19,578 INFO L225 Difference]: With dead ends: 64 [2021-10-29 06:02:19,578 INFO L226 Difference]: Without dead ends: 20 [2021-10-29 06:02:19,579 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2021-10-29 06:02:19,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-29 06:02:19,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-29 06:02:19,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0) internal successors, (19), 19 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:19,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2021-10-29 06:02:19,585 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2021-10-29 06:02:19,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:19,586 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2021-10-29 06:02:19,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2021-10-29 06:02:19,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 06:02:19,587 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:19,588 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:19,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:19,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:19,794 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:19,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:19,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1071102724, now seen corresponding path program 1 times [2021-10-29 06:02:19,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:19,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368635374] [2021-10-29 06:02:19,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:19,795 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:19,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:19,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:19,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 06:02:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:19,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 06:02:19,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:21,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:21,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:22,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:22,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368635374] [2021-10-29 06:02:22,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368635374] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:22,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:22,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2021-10-29 06:02:22,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352414593] [2021-10-29 06:02:22,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-29 06:02:22,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-29 06:02:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-10-29 06:02:22,969 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:24,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:24,188 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2021-10-29 06:02:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 06:02:24,189 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 06:02:24,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:24,189 INFO L225 Difference]: With dead ends: 20 [2021-10-29 06:02:24,189 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 06:02:24,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2021-10-29 06:02:24,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 06:02:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 06:02:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 06:02:24,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-10-29 06:02:24,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:24,191 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 06:02:24,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 06:02:24,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 06:02:24,195 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:02:24,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:24,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:24,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 06:02:24,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:24,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:25,492 INFO L857 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2021-10-29 06:02:25,492 INFO L853 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2021-10-29 06:02:25,492 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-10-29 06:02:25,492 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short21| (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (not (= (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0) (_ bv0 32))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start_fmod_double_~lx~0)))) [2021-10-29 06:02:25,493 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2021-10-29 06:02:25,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 06:02:25,493 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2021-10-29 06:02:25,493 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2021-10-29 06:02:25,493 INFO L853 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2021-10-29 06:02:25,493 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2021-10-29 06:02:25,494 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2021-10-29 06:02:25,494 INFO L857 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,494 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2021-10-29 06:02:25,494 INFO L853 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2021-10-29 06:02:25,494 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-10-29 06:02:25,494 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2021-10-29 06:02:25,494 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L187-2(lines 187 196) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2021-10-29 06:02:25,495 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2021-10-29 06:02:25,496 INFO L853 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2021-10-29 06:02:25,496 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 06:02:25,496 INFO L853 garLoopResultBuilder]: At program point L174(lines 165 175) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (not (= (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0) (_ bv0 32))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start_fmod_double_~lx~0))) (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) ULTIMATE.start___signbit_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|)))))) [2021-10-29 06:02:25,496 INFO L853 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2021-10-29 06:02:25,496 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-10-29 06:02:25,496 INFO L857 garLoopResultBuilder]: For program point L192-2(lines 192 195) no Hoare annotation was computed. [2021-10-29 06:02:25,496 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-29 06:02:25,497 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2021-10-29 06:02:25,497 INFO L857 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2021-10-29 06:02:25,497 INFO L853 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2021-10-29 06:02:25,497 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-29 06:02:25,497 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 06:02:25,497 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2021-10-29 06:02:25,497 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2021-10-29 06:02:25,498 INFO L857 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-10-29 06:02:25,498 INFO L853 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x) (or (fp.gt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)) (fp.lt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)))) [2021-10-29 06:02:25,498 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-10-29 06:02:25,498 INFO L853 garLoopResultBuilder]: At program point L162(lines 25 163) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x) (not (= (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0) (_ bv0 32))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start_fmod_double_~lx~0)))) [2021-10-29 06:02:25,499 INFO L853 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2021-10-29 06:02:25,499 INFO L857 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,499 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2021-10-29 06:02:25,499 INFO L857 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-10-29 06:02:25,500 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-10-29 06:02:25,500 INFO L857 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,500 INFO L857 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,500 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 06:02:25,501 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-10-29 06:02:25,501 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-10-29 06:02:25,501 INFO L860 garLoopResultBuilder]: At program point L198(lines 177 199) the Hoare annotation is: true [2021-10-29 06:02:25,502 INFO L857 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,502 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-29 06:02:25,502 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-10-29 06:02:25,502 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2021-10-29 06:02:25,503 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2021-10-29 06:02:25,503 INFO L857 garLoopResultBuilder]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2021-10-29 06:02:25,503 INFO L857 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2021-10-29 06:02:25,507 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 06:02:25,509 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:02:25,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,550 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,554 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,554 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,556 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,557 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,560 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,571 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,573 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:02:25 BoogieIcfgContainer [2021-10-29 06:02:25,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:02:25,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:02:25,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:02:25,585 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:02:25,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:27" (3/4) ... [2021-10-29 06:02:25,589 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 06:02:25,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 06:02:25,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 06:02:25,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:02:25,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:02:25,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 06:02:25,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:02:25,679 INFO L168 Benchmark]: Toolchain (without parser) took 124385.66 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 43.3 MB in the beginning and 55.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:25,680 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:02:25,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.86 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 43.7 MB in the end (delta: -588.5 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:25,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.19 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 41.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:25,681 INFO L168 Benchmark]: Boogie Preprocessor took 48.18 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 39.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:25,682 INFO L168 Benchmark]: RCFGBuilder took 5748.97 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 39.0 MB in the beginning and 52.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:25,682 INFO L168 Benchmark]: TraceAbstraction took 117859.47 ms. Allocated memory is still 79.7 MB. Free memory was 52.6 MB in the beginning and 58.0 MB in the end (delta: -5.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:25,683 INFO L168 Benchmark]: Witness Printer took 93.61 ms. Allocated memory is still 79.7 MB. Free memory was 58.0 MB in the beginning and 55.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:25,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.86 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 43.7 MB in the end (delta: -588.5 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.19 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 41.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.18 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 39.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5748.97 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 39.0 MB in the beginning and 52.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 117859.47 ms. Allocated memory is still 79.7 MB. Free memory was 52.6 MB in the beginning and 58.0 MB in the end (delta: -5.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * Witness Printer took 93.61 ms. Allocated memory is still 79.7 MB. Free memory was 58.0 MB in the beginning and 55.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 117.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 95.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 1025 SDslu, 551 SDs, 0 SdLazy, 321 SolverSat, 67 SolverUnsat, 40 SolverUnknown, 0 SolverNotchecked, 84.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 5 MinimizatonAttempts, 95 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 192 HoareAnnotationTreeSize, 12 FomulaSimplifications, 2185 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 37 QuantifiedInterpolants, 1364 SizeOfPredicates, 41 NumberOfNonLiveVariables, 360 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 165]: Loop Invariant [2021-10-29 06:02:25,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-10-29 06:02:25,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (((((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && !(~bvor32(hy, ly) == 0bv32)) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32]))) && v_skolemized_q#valueAsBitvector_11[31:0] == lx)) && (\exists v_skolemized_q#valueAsBitvector_12 : bv64 :: v_skolemized_q#valueAsBitvector_12[63:32] == msw && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2021-10-29 06:02:25,705 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,705 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,705 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: ((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x) && !(~bvor32(hy, ly) == 0bv32)) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32]))) && v_skolemized_q#valueAsBitvector_11[31:0] == lx) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == x) && (~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 168]: Loop Invariant [2021-10-29 06:02:25,709 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-10-29 06:02:25,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-10-29 06:02:25,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: (((((((aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && !(~bvor32(hy, ly) == 0bv32)) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32]))) && v_skolemized_q#valueAsBitvector_11[31:0] == lx) RESULT: Ultimate proved your program to be correct! [2021-10-29 06:02:25,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631bc3cc-d551-4029-be39-50ae464deb2d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...