./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8 --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 4307611f131e0de710b212b3a12701bf382df8c7 ................................................................................................................................................................................................................................................ 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_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8 --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 4307611f131e0de710b212b3a12701bf382df8c7 ................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:15:06,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:15:06,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:15:06,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:15:06,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:15:07,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:15:07,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:15:07,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:15:07,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:15:07,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:15:07,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:15:07,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:15:07,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:15:07,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:15:07,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:15:07,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:15:07,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:15:07,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:15:07,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:15:07,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:15:07,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:15:07,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:15:07,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:15:07,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:15:07,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:15:07,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:15:07,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:15:07,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:15:07,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:15:07,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:15:07,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:15:07,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:15:07,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:15:07,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:15:07,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:15:07,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:15:07,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:15:07,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:15:07,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:15:07,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:15:07,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:15:07,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:15:07,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:15:07,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:15:07,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:15:07,194 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:15:07,194 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:15:07,195 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:15:07,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:15:07,195 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:15:07,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:15:07,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:15:07,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:15:07,198 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:15:07,198 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:15:07,199 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:15:07,199 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:15:07,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:15:07,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:15:07,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:15:07,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:15:07,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:15:07,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:15:07,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:15:07,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:15:07,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:15:07,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:15:07,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:15:07,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:15:07,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:15:07,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:15:07,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:15:07,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:15:07,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:15:07,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:15:07,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:15:07,206 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:15:07,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:15:07,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:15:07,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:15:07,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:15:07,208 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_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2021-10-13 08:15:07,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:15:07,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:15:07,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:15:07,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:15:07,655 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:15:07,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-benchs/Rump_double.c [2021-10-13 08:15:07,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/c275f13a5/97e04f11638a414a82130fe2a9195fd6/FLAGdbcf3fc1c [2021-10-13 08:15:08,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:15:08,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/sv-benchmarks/c/float-benchs/Rump_double.c [2021-10-13 08:15:08,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/c275f13a5/97e04f11638a414a82130fe2a9195fd6/FLAGdbcf3fc1c [2021-10-13 08:15:08,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/c275f13a5/97e04f11638a414a82130fe2a9195fd6 [2021-10-13 08:15:08,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:15:08,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:15:08,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:15:08,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:15:08,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:15:08,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:08,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3539be28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08, skipping insertion in model container [2021-10-13 08:15:08,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:08,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:15:08,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:15:08,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-10-13 08:15:08,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:15:08,950 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:15:08,965 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-10-13 08:15:08,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:15:08,991 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:15:08,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08 WrapperNode [2021-10-13 08:15:08,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:15:08,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:15:08,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:15:08,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:15:09,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:15:09,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:15:09,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:15:09,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:15:09,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:15:09,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:15:09,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:15:09,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:15:09,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (1/1) ... [2021-10-13 08:15:09,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:15:09,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:15:09,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:15:09,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:15:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:15:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:15:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 08:15:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:15:09,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:15:09,412 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 08:15:09,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:15:09 BoogieIcfgContainer [2021-10-13 08:15:09,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:15:09,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:15:09,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:15:09,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:15:09,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:15:08" (1/3) ... [2021-10-13 08:15:09,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283e6817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:15:09, skipping insertion in model container [2021-10-13 08:15:09,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:08" (2/3) ... [2021-10-13 08:15:09,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283e6817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:15:09, skipping insertion in model container [2021-10-13 08:15:09,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:15:09" (3/3) ... [2021-10-13 08:15:09,451 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2021-10-13 08:15:09,458 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:15:09,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:15:09,580 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:15:09,589 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 08:15:09,590 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:15:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:15:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 08:15:09,616 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:15:09,617 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 08:15:09,617 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:15:09,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:15:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash 47251, now seen corresponding path program 1 times [2021-10-13 08:15:09,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:15:09,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113314005] [2021-10-13 08:15:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:15:09,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:15:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:15:09,777 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 08:15:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:15:09,826 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 08:15:09,835 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 08:15:09,837 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:15:09,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 08:15:09,848 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:15:09,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:15:09 BoogieIcfgContainer [2021-10-13 08:15:09,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:15:09,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:15:09,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:15:09,870 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:15:09,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:15:09" (3/4) ... [2021-10-13 08:15:09,875 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 08:15:09,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:15:09,878 INFO L168 Benchmark]: Toolchain (without parser) took 1233.56 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 66.7 MB in the beginning and 99.3 MB in the end (delta: -32.6 MB). Peak memory consumption was 682.6 kB. Max. memory is 16.1 GB. [2021-10-13 08:15:09,879 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:15:09,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.05 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 71.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:09,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.00 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 64.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:09,882 INFO L168 Benchmark]: Boogie Preprocessor took 26.59 ms. Allocated memory is still 90.2 MB. Free memory was 64.9 MB in the beginning and 63.9 MB in the end (delta: 982.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:15:09,883 INFO L168 Benchmark]: RCFGBuilder took 350.21 ms. Allocated memory is still 90.2 MB. Free memory was 63.9 MB in the beginning and 54.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:09,884 INFO L168 Benchmark]: TraceAbstraction took 450.70 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 54.0 MB in the beginning and 99.9 MB in the end (delta: -45.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:15:09,884 INFO L168 Benchmark]: Witness Printer took 5.73 ms. Allocated memory is still 123.7 MB. Free memory was 99.9 MB in the beginning and 99.3 MB in the end (delta: 638.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:15:09,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.05 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 71.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.00 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 64.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.59 ms. Allocated memory is still 90.2 MB. Free memory was 64.9 MB in the beginning and 63.9 MB in the end (delta: 982.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 350.21 ms. Allocated memory is still 90.2 MB. Free memory was 63.9 MB in the beginning and 54.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 450.70 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 54.0 MB in the beginning and 99.9 MB in the end (delta: -45.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.73 ms. Allocated memory is still 123.7 MB. Free memory was 99.9 MB in the beginning and 99.3 MB in the end (delta: 638.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 290.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.3ms SsaConstructionTime, 65.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 08:15:09,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:15:12,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:15:12,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:15:13,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:15:13,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:15:13,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:15:13,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:15:13,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:15:13,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:15:13,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:15:13,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:15:13,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:15:13,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:15:13,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:15:13,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:15:13,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:15:13,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:15:13,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:15:13,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:15:13,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:15:13,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:15:13,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:15:13,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:15:13,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:15:13,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:15:13,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:15:13,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:15:13,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:15:13,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:15:13,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:15:13,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:15:13,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:15:13,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:15:13,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:15:13,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:15:13,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:15:13,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:15:13,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:15:13,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:15:13,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:15:13,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:15:13,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:15:13,161 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:15:13,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:15:13,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:15:13,163 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:15:13,163 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:15:13,163 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:15:13,163 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:15:13,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:15:13,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:15:13,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:15:13,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:15:13,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:15:13,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:15:13,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:15:13,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:15:13,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:15:13,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:15:13,167 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:15:13,167 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:15:13,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:15:13,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:15:13,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:15:13,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:15:13,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:15:13,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:15:13,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:15:13,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:15:13,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:15:13,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:15:13,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:15:13,170 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:15:13,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:15:13,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:15:13,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:15:13,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:15:13,172 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_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2021-10-13 08:15:13,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:15:13,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:15:13,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:15:13,697 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:15:13,698 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:15:13,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-benchs/Rump_double.c [2021-10-13 08:15:13,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/2e886cf7e/48a1b0742cfd4937bab308693167f258/FLAGb563c64b9 [2021-10-13 08:15:14,439 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:15:14,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/sv-benchmarks/c/float-benchs/Rump_double.c [2021-10-13 08:15:14,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/2e886cf7e/48a1b0742cfd4937bab308693167f258/FLAGb563c64b9 [2021-10-13 08:15:14,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/data/2e886cf7e/48a1b0742cfd4937bab308693167f258 [2021-10-13 08:15:14,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:15:14,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:15:14,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:15:14,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:15:14,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:15:14,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:15:14" (1/1) ... [2021-10-13 08:15:14,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b3254f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:14, skipping insertion in model container [2021-10-13 08:15:14,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:15:14" (1/1) ... [2021-10-13 08:15:14,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:15:14,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:15:15,019 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-10-13 08:15:15,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:15:15,057 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:15:15,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2021-10-13 08:15:15,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:15:15,124 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:15:15,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15 WrapperNode [2021-10-13 08:15:15,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:15:15,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:15:15,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:15:15,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:15:15,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:15:15,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:15:15,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:15:15,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:15:15,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:15:15,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:15:15,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:15:15,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:15:15,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (1/1) ... [2021-10-13 08:15:15,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:15:15,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:15:15,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:15:15,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:15:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:15:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:15:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:15:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:15:22,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:15:22,624 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 08:15:22,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:15:22 BoogieIcfgContainer [2021-10-13 08:15:22,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:15:22,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:15:22,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:15:22,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:15:22,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:15:14" (1/3) ... [2021-10-13 08:15:22,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e9cc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:15:22, skipping insertion in model container [2021-10-13 08:15:22,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:15:15" (2/3) ... [2021-10-13 08:15:22,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e9cc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:15:22, skipping insertion in model container [2021-10-13 08:15:22,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:15:22" (3/3) ... [2021-10-13 08:15:22,635 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2021-10-13 08:15:22,640 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:15:22,640 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:15:22,701 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:15:22,709 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 08:15:22,710 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:15:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:15:22,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 08:15:22,732 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:15:22,733 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 08:15:22,734 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:15:22,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:15:22,741 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-13 08:15:22,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:15:22,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628514090] [2021-10-13 08:15:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:15:22,758 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:15:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:15:22,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:15:22,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:15:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:15:32,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 08:15:32,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:15:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:15:33,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:15:39,848 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from false [2021-10-13 08:15:41,983 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) is different from true [2021-10-13 08:15:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:15:41,985 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:15:41,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628514090] [2021-10-13 08:15:41,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628514090] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:15:41,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:15:41,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-13 08:15:41,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548140868] [2021-10-13 08:15:41,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 08:15:41,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:15:42,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 08:15:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2021-10-13 08:15:42,030 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:15:44,238 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-10-13 08:15:44,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:15:44,334 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-13 08:15:44,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:15:44,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-13 08:15:44,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:15:44,344 INFO L225 Difference]: With dead ends: 13 [2021-10-13 08:15:44,344 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:15:44,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7042.1ms TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2021-10-13 08:15:44,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:15:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:15:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:15:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:15:44,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-13 08:15:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:15:44,379 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:15:44,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:15:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:15:44,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:15:44,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:15:44,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:15:44,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:15:44,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:15:44,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:15:44,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:15:44,805 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:15:44,805 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 08:15:44,805 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:15:44,805 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 08:15:44,806 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-10-13 08:15:44,806 INFO L853 garLoopResultBuilder]: At program point L16(lines 8 17) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 08:15:44,806 INFO L857 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-10-13 08:15:44,807 INFO L857 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-10-13 08:15:44,807 INFO L853 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 08:15:44,813 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:15:44,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:15:44 BoogieIcfgContainer [2021-10-13 08:15:44,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:15:44,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:15:44,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:15:44,839 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:15:44,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:15:22" (3/4) ... [2021-10-13 08:15:44,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:15:44,859 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 08:15:44,860 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 08:15:44,860 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:15:44,860 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:15:44,919 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:15:44,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:15:44,926 INFO L168 Benchmark]: Toolchain (without parser) took 30117.31 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 27.7 MB in the end (delta: -991.3 kB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:44,927 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:15:44,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.91 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 43.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:44,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.58 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 41.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:44,933 INFO L168 Benchmark]: Boogie Preprocessor took 72.48 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 40.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:15:44,933 INFO L168 Benchmark]: RCFGBuilder took 7356.04 ms. Allocated memory is still 60.8 MB. Free memory was 40.7 MB in the beginning and 42.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:44,934 INFO L168 Benchmark]: TraceAbstraction took 22202.54 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 30.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:44,935 INFO L168 Benchmark]: Witness Printer took 85.18 ms. Allocated memory is still 60.8 MB. Free memory was 29.8 MB in the beginning and 27.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:44,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.91 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 43.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.58 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 41.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.48 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 40.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 7356.04 ms. Allocated memory is still 60.8 MB. Free memory was 40.7 MB in the beginning and 42.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22202.54 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 30.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Witness Printer took 85.18 ms. Allocated memory is still 60.8 MB. Free memory was 29.8 MB in the beginning and 27.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22113.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.5ms, AutomataDifference: 2352.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 206.5ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7042.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 33.7ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 166.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.0ms SsaConstructionTime, 8825.5ms SatisfiabilityAnalysisTime, 10345.7ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 5 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-10-13 08:15:45,189 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 08:15:45,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76f1955-6f1a-4164-9249-beb76de2b66f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...