./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1ef2080ffd97f82ac51854e7d9813eba864fd0a ........................................................................................................................................................................................................................................................................................................................ 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_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1ef2080ffd97f82ac51854e7d9813eba864fd0a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:30,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:30,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:31,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:31,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:31,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:31,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:31,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:31,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:31,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:31,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:31,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:31,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:31,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:31,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:31,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:31,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:31,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:31,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:31,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:31,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:31,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:31,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:31,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:31,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:31,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:31,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:31,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:31,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:31,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:31,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:31,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:31,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:31,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:31,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:31,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:31,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:31,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:31,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:31,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:31,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:31,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:31,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:31,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:31,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:31,124 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:31,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:31,124 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:31,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:31,124 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:31,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:31,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:31,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:31,126 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:31,127 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:31,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:31,127 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:31,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:31,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:31,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:31,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:31,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:31,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:31,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:31,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:31,130 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:31,130 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:31,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:31,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:31,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:31,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:31,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:31,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:31,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:31,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:31,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:31,134 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:31,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:31,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:31,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:31,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:31,135 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_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1ef2080ffd97f82ac51854e7d9813eba864fd0a [2021-10-11 02:27:31,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:31,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:31,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:31,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:31,449 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:31,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2021-10-11 02:27:31,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/4beb4137c/486536f8d97c4cab81de6cc150d6ac49/FLAGb48952f0c [2021-10-11 02:27:32,126 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:32,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2021-10-11 02:27:32,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/4beb4137c/486536f8d97c4cab81de6cc150d6ac49/FLAGb48952f0c [2021-10-11 02:27:32,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/4beb4137c/486536f8d97c4cab81de6cc150d6ac49 [2021-10-11 02:27:32,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:32,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:32,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:32,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:32,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:32,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:32,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4848bfdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32, skipping insertion in model container [2021-10-11 02:27:32,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:32,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:32,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:32,805 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2021-10-11 02:27:32,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:32,817 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:32,890 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2021-10-11 02:27:32,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:32,915 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:32,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32 WrapperNode [2021-10-11 02:27:32,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:32,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:32,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:32,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:32,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:32,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:32,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:32,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:32,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:32,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:32,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:33,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:33,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:33,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:33,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:33,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:33,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... [2021-10-11 02:27:33,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:33,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:33,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:33,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:33,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:27:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:27:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:27:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:27:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:27:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-11 02:27:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:27:34,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:34,475 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-11 02:27:34,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:34 BoogieIcfgContainer [2021-10-11 02:27:34,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:34,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:34,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:34,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:34,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:32" (1/3) ... [2021-10-11 02:27:34,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c87de53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:34, skipping insertion in model container [2021-10-11 02:27:34,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:32" (2/3) ... [2021-10-11 02:27:34,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c87de53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:34, skipping insertion in model container [2021-10-11 02:27:34,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:34" (3/3) ... [2021-10-11 02:27:34,489 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2021-10-11 02:27:34,506 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:34,509 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:27:34,522 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:27:34,563 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:34,563 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:34,564 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:34,564 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:34,564 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:34,564 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:34,564 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:34,565 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2021-10-11 02:27:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:27:34,587 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:34,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:34,589 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:34,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:34,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1459360728, now seen corresponding path program 1 times [2021-10-11 02:27:34,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:34,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382150924] [2021-10-11 02:27:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:34,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382150924] [2021-10-11 02:27:34,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:34,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:34,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552632562] [2021-10-11 02:27:34,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:34,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:27:34,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:34,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:34,815 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2021-10-11 02:27:34,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:34,851 INFO L93 Difference]: Finished difference Result 77 states and 131 transitions. [2021-10-11 02:27:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:34,853 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-10-11 02:27:34,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:34,866 INFO L225 Difference]: With dead ends: 77 [2021-10-11 02:27:34,866 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:27:34,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:34,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:27:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 02:27:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:27:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 54 transitions. [2021-10-11 02:27:34,905 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 54 transitions. Word has length 8 [2021-10-11 02:27:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:34,906 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 54 transitions. [2021-10-11 02:27:34,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-10-11 02:27:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:27:34,907 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:34,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:34,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:27:34,908 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:34,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash -724915525, now seen corresponding path program 1 times [2021-10-11 02:27:34,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:27:34,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644661297] [2021-10-11 02:27:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:27:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:35,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:35,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:35,106 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:27:35,107 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:27:35,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:27:35,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:35 BoogieIcfgContainer [2021-10-11 02:27:35,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:35,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:35,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:35,151 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:35,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:34" (3/4) ... [2021-10-11 02:27:35,156 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:27:35,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:35,160 INFO L168 Benchmark]: Toolchain (without parser) took 2702.43 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 50.9 MB in the beginning and 50.8 MB in the end (delta: 122.6 kB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:35,161 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:35,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.05 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 50.6 MB in the beginning and 84.8 MB in the end (delta: -34.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:35,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.92 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 82.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:35,165 INFO L168 Benchmark]: Boogie Preprocessor took 91.94 ms. Allocated memory is still 111.1 MB. Free memory was 82.1 MB in the beginning and 80.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:35,166 INFO L168 Benchmark]: RCFGBuilder took 1401.89 ms. Allocated memory is still 111.1 MB. Free memory was 80.0 MB in the beginning and 77.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:35,168 INFO L168 Benchmark]: TraceAbstraction took 669.83 ms. Allocated memory is still 111.1 MB. Free memory was 76.6 MB in the beginning and 50.8 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:35,169 INFO L168 Benchmark]: Witness Printer took 5.83 ms. Allocated memory is still 111.1 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:35,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 55.5 MB in the beginning and 55.5 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.05 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 50.6 MB in the beginning and 84.8 MB in the end (delta: -34.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.92 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 82.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.94 ms. Allocated memory is still 111.1 MB. Free memory was 82.1 MB in the beginning and 80.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1401.89 ms. Allocated memory is still 111.1 MB. Free memory was 80.0 MB in the beginning and 77.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 669.83 ms. Allocated memory is still 111.1 MB. Free memory was 76.6 MB in the beginning and 50.8 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.83 ms. Allocated memory is still 111.1 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 177]: 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 18, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L171] double x = __VERIFIER_nondet_double(); [L172] double 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={9:0}] [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={9:0}] [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={9:0}] [L173] double res = fmod_double(x, y); [L18] return x != x; [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 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=39occurred in iteration=0, 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:38,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:38,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:38,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:38,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:38,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:38,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:38,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:38,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:38,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:38,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:38,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:38,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:38,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:38,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:38,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:38,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:38,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:38,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:38,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:38,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:38,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:38,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:38,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:38,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:38,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:38,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:38,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:38,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:38,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:38,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:38,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:38,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:38,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:38,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:38,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:38,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:38,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:38,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:38,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:38,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:38,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:38,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:38,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:38,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:38,223 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:38,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:38,224 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:38,224 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:38,224 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:38,225 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:38,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:38,228 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:38,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:38,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:38,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:38,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:38,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:38,229 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:38,230 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:38,230 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:38,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:38,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:38,231 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:38,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:38,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:38,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:38,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:38,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:38,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:38,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:38,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:38,233 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:38,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:38,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:38,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:38,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:38,234 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_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1ef2080ffd97f82ac51854e7d9813eba864fd0a [2021-10-11 02:27:38,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:38,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:38,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:38,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:38,690 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:38,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2021-10-11 02:27:38,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/f509f81e8/8fe57987435c451aade27b9779a41536/FLAGcfa60f73c [2021-10-11 02:27:39,556 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:39,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2021-10-11 02:27:39,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/f509f81e8/8fe57987435c451aade27b9779a41536/FLAGcfa60f73c [2021-10-11 02:27:39,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/data/f509f81e8/8fe57987435c451aade27b9779a41536 [2021-10-11 02:27:39,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:39,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:39,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:39,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:39,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:39,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:39" (1/1) ... [2021-10-11 02:27:39,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290e30ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:39, skipping insertion in model container [2021-10-11 02:27:39,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:39" (1/1) ... [2021-10-11 02:27:39,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:39,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:39,988 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2021-10-11 02:27:39,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:40,018 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:40,123 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2021-10-11 02:27:40,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:40,182 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:40,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40 WrapperNode [2021-10-11 02:27:40,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:40,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:40,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:40,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:40,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:40,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:40,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:40,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:40,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... [2021-10-11 02:27:40,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:40,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:40,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:40,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:40,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 02:27:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 02:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-11 02:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:27:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:27:46,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:46,129 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-11 02:27:46,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:46 BoogieIcfgContainer [2021-10-11 02:27:46,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:46,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:46,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:46,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:46,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:39" (1/3) ... [2021-10-11 02:27:46,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36df96e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:46, skipping insertion in model container [2021-10-11 02:27:46,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:40" (2/3) ... [2021-10-11 02:27:46,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36df96e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:46, skipping insertion in model container [2021-10-11 02:27:46,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:46" (3/3) ... [2021-10-11 02:27:46,143 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2021-10-11 02:27:46,160 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:46,165 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:27:46,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:27:46,208 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:46,209 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:46,209 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:46,209 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:46,209 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:46,209 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:46,210 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:46,210 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2021-10-11 02:27:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:27:46,232 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:46,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:46,233 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:46,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:46,240 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2021-10-11 02:27:46,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:46,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33173124] [2021-10-11 02:27:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:47,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:27:47,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:47,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:47,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33173124] [2021-10-11 02:27:47,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:47,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:47,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861403648] [2021-10-11 02:27:47,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:47,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:47,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:47,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:47,435 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2021-10-11 02:27:47,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:47,461 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2021-10-11 02:27:47,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:47,463 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:27:47,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:47,474 INFO L225 Difference]: With dead ends: 108 [2021-10-11 02:27:47,474 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:27:47,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:47,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:27:47,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-11 02:27:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 02:27:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2021-10-11 02:27:47,521 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2021-10-11 02:27:47,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:47,522 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2021-10-11 02:27:47,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2021-10-11 02:27:47,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:27:47,523 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:47,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:47,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:47,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:47,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:47,738 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2021-10-11 02:27:47,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:47,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452258833] [2021-10-11 02:27:47,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:49,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:27:49,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:52,325 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= |c_ULTIMATE.start_fmod_double_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) is different from true [2021-10-11 02:27:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:59,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:59,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452258833] [2021-10-11 02:27:59,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:59,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:27:59,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428020152] [2021-10-11 02:27:59,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 02:27:59,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:59,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 02:27:59,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2021-10-11 02:27:59,430 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 7 states. [2021-10-11 02:28:05,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:05,755 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2021-10-11 02:28:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:28:05,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2021-10-11 02:28:05,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:05,789 INFO L225 Difference]: With dead ends: 63 [2021-10-11 02:28:05,789 INFO L226 Difference]: Without dead ends: 58 [2021-10-11 02:28:05,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2021-10-11 02:28:05,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-10-11 02:28:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2021-10-11 02:28:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 02:28:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2021-10-11 02:28:05,801 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2021-10-11 02:28:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:05,801 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2021-10-11 02:28:05,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 02:28:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2021-10-11 02:28:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:28:05,803 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:05,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:06,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:06,017 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:06,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:06,018 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2021-10-11 02:28:06,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:06,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439055459] [2021-10-11 02:28:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:06,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:28:06,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:06,332 INFO L382 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 15 treesize of output 13 [2021-10-11 02:28:06,358 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 02:28:06,379 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:28:06,379 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:28:06,461 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:28:06,464 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 02:28:06,464 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2021-10-11 02:28:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:06,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:06,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439055459] [2021-10-11 02:28:06,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:06,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:06,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689861557] [2021-10-11 02:28:06,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:06,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:06,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:06,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:06,751 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 4 states. [2021-10-11 02:28:06,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:06,912 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2021-10-11 02:28:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:06,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-10-11 02:28:06,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:06,914 INFO L225 Difference]: With dead ends: 52 [2021-10-11 02:28:06,914 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:06,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:06,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:06,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:06,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-10-11 02:28:06,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:06,916 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:06,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:06,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:07,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:07,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:09,369 WARN L197 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 8 [2021-10-11 02:28:09,412 INFO L262 CegarLoopResult]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2021-10-11 02:28:09,412 INFO L258 CegarLoopResult]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2021-10-11 02:28:09,412 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:09,412 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2021-10-11 02:28:09,412 INFO L262 CegarLoopResult]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2021-10-11 02:28:09,412 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2021-10-11 02:28:09,412 INFO L262 CegarLoopResult]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2021-10-11 02:28:09,413 INFO L262 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2021-10-11 02:28:09,413 INFO L262 CegarLoopResult]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,413 INFO L262 CegarLoopResult]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2021-10-11 02:28:09,413 INFO L258 CegarLoopResult]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2021-10-11 02:28:09,413 INFO L262 CegarLoopResult]: For program point L154(lines 154 159) no Hoare annotation was computed. [2021-10-11 02:28:09,413 INFO L262 CegarLoopResult]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2021-10-11 02:28:09,413 INFO L262 CegarLoopResult]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2021-10-11 02:28:09,414 INFO L262 CegarLoopResult]: For program point L55(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,414 INFO L262 CegarLoopResult]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,414 INFO L262 CegarLoopResult]: For program point L56(lines 56 62) no Hoare annotation was computed. [2021-10-11 02:28:09,414 INFO L262 CegarLoopResult]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-10-11 02:28:09,414 INFO L262 CegarLoopResult]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2021-10-11 02:28:09,414 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2021-10-11 02:28:09,414 INFO L258 CegarLoopResult]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2021-10-11 02:28:09,414 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:09,415 INFO L258 CegarLoopResult]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2021-10-11 02:28:09,415 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 02:28:09,415 INFO L262 CegarLoopResult]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2021-10-11 02:28:09,415 INFO L262 CegarLoopResult]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2021-10-11 02:28:09,415 INFO L258 CegarLoopResult]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2021-10-11 02:28:09,415 INFO L262 CegarLoopResult]: For program point L176(lines 176 179) no Hoare annotation was computed. [2021-10-11 02:28:09,415 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:09,416 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2021-10-11 02:28:09,416 INFO L262 CegarLoopResult]: For program point L144(lines 144 153) no Hoare annotation was computed. [2021-10-11 02:28:09,416 INFO L262 CegarLoopResult]: For program point L45(lines 45 47) no Hoare annotation was computed. [2021-10-11 02:28:09,416 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-10-11 02:28:09,416 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_fmod_double_~y (_ +zero 11 53))) [2021-10-11 02:28:09,416 INFO L262 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-10-11 02:28:09,417 INFO L258 CegarLoopResult]: At program point L162(lines 25 163) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= |ULTIMATE.start_fmod_double_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) [2021-10-11 02:28:09,417 INFO L258 CegarLoopResult]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2021-10-11 02:28:09,417 INFO L262 CegarLoopResult]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,417 INFO L262 CegarLoopResult]: For program point L147(lines 147 153) no Hoare annotation was computed. [2021-10-11 02:28:09,417 INFO L262 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-10-11 02:28:09,417 INFO L262 CegarLoopResult]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-10-11 02:28:09,418 INFO L262 CegarLoopResult]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,418 INFO L262 CegarLoopResult]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,418 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:09,418 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2021-10-11 02:28:09,418 INFO L265 CegarLoopResult]: At program point L181(lines 165 182) the Hoare annotation is: true [2021-10-11 02:28:09,418 INFO L262 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-10-11 02:28:09,418 INFO L262 CegarLoopResult]: For program point L66(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,419 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:28:09,419 INFO L262 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-10-11 02:28:09,419 INFO L258 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) [2021-10-11 02:28:09,419 INFO L262 CegarLoopResult]: For program point L134(lines 134 161) no Hoare annotation was computed. [2021-10-11 02:28:09,419 INFO L262 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2021-10-11 02:28:09,419 INFO L262 CegarLoopResult]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2021-10-11 02:28:09,419 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2021-10-11 02:28:09,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2021-10-11 02:28:09,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2021-10-11 02:28:09,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2021-10-11 02:28:09,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2021-10-11 02:28:09,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:09 BoogieIcfgContainer [2021-10-11 02:28:09,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:09,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:09,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:09,444 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:09,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:46" (3/4) ... [2021-10-11 02:28:09,448 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:09,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 02:28:09,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-11 02:28:09,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:09,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:09,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8330ec2-c166-4e01-895b-cbeb72d7210f/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:09,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:09,505 INFO L168 Benchmark]: Toolchain (without parser) took 29910.69 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 36.4 MB in the beginning and 35.5 MB in the end (delta: 894.2 kB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:09,506 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:09,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.20 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 41.4 MB in the end (delta: -5.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:09,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.11 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 39.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:09,508 INFO L168 Benchmark]: Boogie Preprocessor took 91.94 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:09,509 INFO L168 Benchmark]: RCFGBuilder took 5757.42 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 36.8 MB in the beginning and 44.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:09,509 INFO L168 Benchmark]: TraceAbstraction took 23308.77 ms. Allocated memory is still 79.7 MB. Free memory was 43.5 MB in the beginning and 38.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:09,510 INFO L168 Benchmark]: Witness Printer took 60.70 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 35.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:09,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.20 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 41.4 MB in the end (delta: -5.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.11 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 39.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.94 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5757.42 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 36.8 MB in the beginning and 44.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23308.77 ms. Allocated memory is still 79.7 MB. Free memory was 43.5 MB in the beginning and 38.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Witness Printer took 60.70 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 35.5 MB in the end (delta: 2.5 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant [2021-10-11 02:28:09,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && y == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2021-10-11 02:28:09,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2021-10-11 02:28:09,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,524 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2021-10-11 02:28:09,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2021-10-11 02:28:09,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:28:09,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~x : C_DOUBLE :: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~Pluszero~LONGDOUBLE()), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 78 SDslu, 157 SDs, 0 SdLazy, 15 SolverSat, 1 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 31 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 1745 SizeOfPredicates, 16 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...