./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V --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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:33:02,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:33:02,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:33:02,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:33:02,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:33:02,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:33:02,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:33:02,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:33:02,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:33:02,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:33:02,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:33:02,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:33:02,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:33:02,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:33:02,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:33:02,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:33:02,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:33:02,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:33:02,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:33:02,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:33:02,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:33:02,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:33:02,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:33:02,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:33:02,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:33:02,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:33:02,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:33:02,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:33:02,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:33:02,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:33:02,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:33:02,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:33:02,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:33:02,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:33:02,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:33:02,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:33:02,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:33:02,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:33:02,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:33:02,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:33:02,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:33:02,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:33:02,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:33:02,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:33:02,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:33:02,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:33:02,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:33:02,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:33:02,902 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:33:02,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:33:02,903 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:33:02,903 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:33:02,903 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:33:02,903 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:33:02,903 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:33:02,903 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:33:02,904 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:33:02,904 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:33:02,904 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:33:02,904 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:33:02,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:33:02,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:33:02,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:33:02,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:33:02,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:33:02,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:33:02,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:33:02,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:33:02,906 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:33:02,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:33:02,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:33:02,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:33:02,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:33:02,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:33:02,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:33:02,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:33:02,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:33:02,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:33:02,908 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:33:02,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:33:02,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:33:02,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:33:02,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:33:02,909 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_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2021-11-23 02:33:03,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:33:03,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:33:03,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:33:03,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:33:03,193 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:33:03,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2021-11-23 02:33:03,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/542215e3a/e4b247cd62224edb90cacdbcd51f25f5/FLAG75251f838 [2021-11-23 02:33:03,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:33:03,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2021-11-23 02:33:03,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/542215e3a/e4b247cd62224edb90cacdbcd51f25f5/FLAG75251f838 [2021-11-23 02:33:04,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/542215e3a/e4b247cd62224edb90cacdbcd51f25f5 [2021-11-23 02:33:04,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:33:04,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:33:04,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:33:04,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:33:04,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:33:04,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4698c11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04, skipping insertion in model container [2021-11-23 02:33:04,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:33:04,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:33:04,528 WARN L230 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_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2021-11-23 02:33:04,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:33:04,540 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:33:04,586 WARN L230 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_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2021-11-23 02:33:04,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:33:04,601 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:33:04,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04 WrapperNode [2021-11-23 02:33:04,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:33:04,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:33:04,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:33:04,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:33:04,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,665 INFO L137 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 235 [2021-11-23 02:33:04,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:33:04,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:33:04,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:33:04,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:33:04,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:33:04,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:33:04,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:33:04,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:33:04,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (1/1) ... [2021-11-23 02:33:04,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:33:04,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:04,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:33:04,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:33:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:33:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:33:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:33:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 02:33:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:33:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 02:33:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:33:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:33:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:33:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:33:04,944 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:33:04,946 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:33:05,298 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:33:05,350 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:33:05,350 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-23 02:33:05,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:05 BoogieIcfgContainer [2021-11-23 02:33:05,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:33:05,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:33:05,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:33:05,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:33:05,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:33:04" (1/3) ... [2021-11-23 02:33:05,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb78a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:05, skipping insertion in model container [2021-11-23 02:33:05,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:04" (2/3) ... [2021-11-23 02:33:05,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb78a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:05, skipping insertion in model container [2021-11-23 02:33:05,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:05" (3/3) ... [2021-11-23 02:33:05,364 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2021-11-23 02:33:05,370 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:33:05,370 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:33:05,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:33:05,428 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:33:05,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:33:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 34 states have internal predecessors, (57), 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) [2021-11-23 02:33:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:33:05,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:05,450 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:33:05,451 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:05,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:05,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1598466445, now seen corresponding path program 1 times [2021-11-23 02:33:05,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:05,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48630167] [2021-11-23 02:33:05,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:05,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:33:05,649 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:05,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48630167] [2021-11-23 02:33:05,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48630167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:05,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:05,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:33:05,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585764905] [2021-11-23 02:33:05,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:05,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:33:05,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:33:05,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:33:05,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:33:05,691 INFO L87 Difference]: Start difference. First operand has 35 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 34 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:33:05,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:05,724 INFO L93 Difference]: Finished difference Result 69 states and 113 transitions. [2021-11-23 02:33:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:33:05,727 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-23 02:33:05,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:05,736 INFO L225 Difference]: With dead ends: 69 [2021-11-23 02:33:05,736 INFO L226 Difference]: Without dead ends: 33 [2021-11-23 02:33:05,739 INFO L932 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 [2021-11-23 02:33:05,743 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:33:05,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:33:05,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-23 02:33:05,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-23 02:33:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 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) [2021-11-23 02:33:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-11-23 02:33:05,781 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 10 [2021-11-23 02:33:05,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:05,781 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-23 02:33:05,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:33:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2021-11-23 02:33:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:33:05,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:05,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:33:05,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:33:05,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:05,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:05,784 INFO L85 PathProgramCache]: Analyzing trace with hash -210574034, now seen corresponding path program 1 times [2021-11-23 02:33:05,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:05,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934201867] [2021-11-23 02:33:05,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:05,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:33:05,875 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:33:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:33:05,967 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:33:05,967 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:33:05,969 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:33:05,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:33:05,975 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 02:33:05,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:33:06,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:33:06 BoogieIcfgContainer [2021-11-23 02:33:06,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:33:06,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:33:06,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:33:06,013 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:33:06,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:05" (3/4) ... [2021-11-23 02:33:06,017 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:33:06,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:33:06,018 INFO L158 Benchmark]: Toolchain (without parser) took 1760.84ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 59.5MB in the beginning and 72.8MB in the end (delta: -13.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 02:33:06,019 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 76.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:33:06,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.54ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 70.3MB in the end (delta: -11.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:33:06,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.11ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:33:06,021 INFO L158 Benchmark]: Boogie Preprocessor took 53.09ms. Allocated memory is still 98.6MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:33:06,021 INFO L158 Benchmark]: RCFGBuilder took 633.68ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 46.7MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 02:33:06,022 INFO L158 Benchmark]: TraceAbstraction took 657.03ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 46.3MB in the beginning and 73.5MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:33:06,022 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 119.5MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:33:06,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 76.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.54ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 70.3MB in the end (delta: -11.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.11ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.09ms. Allocated memory is still 98.6MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.68ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 46.7MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 657.03ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 46.3MB in the beginning and 73.5MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 119.5MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 188]: 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 170, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133, overapproximation of bitwiseAnd at line 169. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; [L183] double x = 1.0 / 0.0; [L184] CALL, EXPR __ieee754_log10(x) [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=18014398509481986, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=18014398509481986, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [\old(x)=18014398509481986, hx=-2, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=1, two54_log=18014398509481984, two54_log10=18014398509481984, x=18014398509481986, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=18014398509481986, hx=-2, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=1, two54_log=18014398509481984, two54_log10=18014398509481984, x=18014398509481986, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; VAL [\old(x)=18014398509481986, hx=-2, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=1, two54_log=18014398509481984, two54_log10=18014398509481984, x=18014398509481986, zero=0, zero_log10=0] [L184] RET, EXPR __ieee754_log10(x) [L184] double res = __ieee754_log10(x); [L187] CALL, EXPR isinf_double(res) [L162] __int32_t hx, lx; VAL [\old(x)=18014398509481987, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=18014398509481987, zero=0, zero_log10=0] [L164] ieee_double_shape_type ew_u; [L165] ew_u.value = (x) [L166] EXPR ew_u.parts.msw [L166] (hx) = ew_u.parts.msw [L167] EXPR ew_u.parts.lsw [L167] (lx) = ew_u.parts.lsw [L169] hx &= 0x7fffffff [L170] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L171] hx = 0x7ff00000 - hx [L172] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L187] RET, EXPR isinf_double(res) [L187] COND TRUE !isinf_double(res) [L188] reach_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=18014398509481987, two54_log=18014398509481984, two54_log10=18014398509481984, x=18014398509481986, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=35occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 02:33:06,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V --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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:33:08,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:33:08,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:33:08,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:33:08,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:33:08,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:33:08,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:33:08,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:33:08,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:33:08,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:33:08,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:33:08,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:33:08,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:33:08,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:33:08,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:33:08,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:33:08,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:33:08,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:33:08,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:33:08,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:33:08,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:33:08,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:33:08,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:33:08,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:33:08,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:33:08,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:33:08,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:33:08,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:33:08,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:33:08,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:33:08,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:33:08,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:33:08,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:33:08,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:33:08,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:33:08,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:33:08,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:33:08,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:33:08,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:33:08,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:33:08,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:33:08,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:33:08,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:33:08,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:33:08,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:33:08,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:33:08,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:33:08,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:33:08,722 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:33:08,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:33:08,723 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:33:08,723 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:33:08,724 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:33:08,724 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:33:08,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:33:08,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:33:08,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:33:08,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:33:08,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:33:08,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:33:08,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:33:08,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:33:08,727 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:33:08,728 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:33:08,728 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:33:08,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:33:08,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:33:08,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:33:08,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:33:08,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:33:08,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:33:08,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:33:08,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:33:08,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:33:08,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:33:08,731 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:33:08,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:33:08,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:33:08,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:33:08,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:33:08,732 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_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2021-11-23 02:33:09,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:33:09,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:33:09,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:33:09,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:33:09,180 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:33:09,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2021-11-23 02:33:09,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/d43264ef6/2cebd725c9f848d7917c07cfa37b0243/FLAG567508416 [2021-11-23 02:33:09,875 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:33:09,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2021-11-23 02:33:09,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/d43264ef6/2cebd725c9f848d7917c07cfa37b0243/FLAG567508416 [2021-11-23 02:33:10,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/data/d43264ef6/2cebd725c9f848d7917c07cfa37b0243 [2021-11-23 02:33:10,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:33:10,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:33:10,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:33:10,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:33:10,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:33:10,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602760e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10, skipping insertion in model container [2021-11-23 02:33:10,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:33:10,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:33:10,428 WARN L230 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_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2021-11-23 02:33:10,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:33:10,454 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:33:10,502 WARN L230 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_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2021-11-23 02:33:10,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:33:10,521 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:33:10,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10 WrapperNode [2021-11-23 02:33:10,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:33:10,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:33:10,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:33:10,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:33:10,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,601 INFO L137 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 235 [2021-11-23 02:33:10,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:33:10,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:33:10,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:33:10,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:33:10,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:33:10,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:33:10,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:33:10,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:33:10,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (1/1) ... [2021-11-23 02:33:10,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:33:10,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:10,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:33:10,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:33:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:33:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 02:33:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 02:33:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:33:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:33:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 02:33:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:33:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:33:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 02:33:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:33:10,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:33:10,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:33:41,184 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:33:41,190 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:33:41,190 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-23 02:33:41,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:41 BoogieIcfgContainer [2021-11-23 02:33:41,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:33:41,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:33:41,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:33:41,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:33:41,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:33:10" (1/3) ... [2021-11-23 02:33:41,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fb4fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:41, skipping insertion in model container [2021-11-23 02:33:41,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:10" (2/3) ... [2021-11-23 02:33:41,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fb4fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:41, skipping insertion in model container [2021-11-23 02:33:41,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:41" (3/3) ... [2021-11-23 02:33:41,201 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2021-11-23 02:33:41,206 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:33:41,206 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:33:41,253 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:33:41,260 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:33:41,261 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:33:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 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) [2021-11-23 02:33:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:33:41,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:41,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:33:41,281 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:41,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:41,287 INFO L85 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2021-11-23 02:33:41,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:33:41,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125794304] [2021-11-23 02:33:41,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:41,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:33:41,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:33:41,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:33:41,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:33:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:42,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 02:33:42,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:33:42,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:33:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:33:42,799 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:33:42,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125794304] [2021-11-23 02:33:42,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125794304] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:42,800 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:42,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 02:33:42,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368722770] [2021-11-23 02:33:42,803 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:42,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:33:42,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:33:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:33:42,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:33:42,838 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-23 02:33:42,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:42,868 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2021-11-23 02:33:42,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:33:42,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-11-23 02:33:42,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:42,880 INFO L225 Difference]: With dead ends: 88 [2021-11-23 02:33:42,881 INFO L226 Difference]: Without dead ends: 42 [2021-11-23 02:33:42,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:33:42,890 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:33:42,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:33:42,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-23 02:33:42,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-11-23 02:33:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 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) [2021-11-23 02:33:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2021-11-23 02:33:42,938 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2021-11-23 02:33:42,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:42,938 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2021-11-23 02:33:42,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-23 02:33:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2021-11-23 02:33:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:33:42,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:42,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:33:42,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:33:43,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:33:43,164 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:43,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:43,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2021-11-23 02:33:43,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:33:43,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877235878] [2021-11-23 02:33:43,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:43,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:33:43,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:33:43,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:33:43,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:33:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:44,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:33:44,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:33:44,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:33:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:33:45,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:33:45,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877235878] [2021-11-23 02:33:45,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877235878] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:45,415 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:45,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 02:33:45,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420559042] [2021-11-23 02:33:45,416 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:45,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:33:45,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:33:45,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:33:45,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:33:45,418 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:33:45,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:45,518 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2021-11-23 02:33:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:33:45,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 02:33:45,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:45,521 INFO L225 Difference]: With dead ends: 74 [2021-11-23 02:33:45,521 INFO L226 Difference]: Without dead ends: 38 [2021-11-23 02:33:45,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:33:45,523 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 41 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:33:45,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 174 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 12 Unchecked, 0.1s Time] [2021-11-23 02:33:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-23 02:33:45,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-11-23 02:33:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 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) [2021-11-23 02:33:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2021-11-23 02:33:45,530 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 14 [2021-11-23 02:33:45,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:45,531 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2021-11-23 02:33:45,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:33:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-23 02:33:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:33:45,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:45,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:33:45,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:33:45,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:33:45,739 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:45,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:45,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2124356858, now seen corresponding path program 1 times [2021-11-23 02:33:45,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:33:45,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077535682] [2021-11-23 02:33:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:45,741 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:33:45,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:33:45,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:33:45,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 02:33:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:45,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 02:33:45,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:46,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2021-11-23 02:33:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:33:47,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:33:48,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2021-11-23 02:33:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:33:55,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:33:55,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077535682] [2021-11-23 02:33:55,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077535682] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:55,230 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:55,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-11-23 02:33:55,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872235105] [2021-11-23 02:33:55,231 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:55,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-23 02:33:55,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:33:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-23 02:33:55,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-23 02:33:55,232 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:33:59,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:01,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:04,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:06,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:10,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:13,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:14,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:17,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:19,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:21,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:23,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:25,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:28,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:30,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:32,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:34,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:36,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:38,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:34:38,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:38,937 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2021-11-23 02:34:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 02:34:38,945 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 02:34:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:38,946 INFO L225 Difference]: With dead ends: 54 [2021-11-23 02:34:38,946 INFO L226 Difference]: Without dead ends: 46 [2021-11-23 02:34:38,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-11-23 02:34:38,947 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 33 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 43.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:38,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 305 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 17 Unknown, 39 Unchecked, 43.0s Time] [2021-11-23 02:34:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-23 02:34:38,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2021-11-23 02:34:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 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) [2021-11-23 02:34:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-11-23 02:34:38,954 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 14 [2021-11-23 02:34:38,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:38,954 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-11-23 02:34:38,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:34:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2021-11-23 02:34:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 02:34:38,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:34:38,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:34:38,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:34:39,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:34:39,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:34:39,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:34:39,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1505793976, now seen corresponding path program 1 times [2021-11-23 02:34:39,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:34:39,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969803016] [2021-11-23 02:34:39,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:34:39,158 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:34:39,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:34:39,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:34:39,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 02:34:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:34:40,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:34:40,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:34:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:34:41,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:34:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:34:42,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:34:42,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969803016] [2021-11-23 02:34:42,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969803016] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:34:42,273 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:34:42,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 02:34:42,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029050667] [2021-11-23 02:34:42,273 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:34:42,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:34:42,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:34:42,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:34:42,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:34:42,275 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2021-11-23 02:34:42,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:34:42,334 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2021-11-23 02:34:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:34:42,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 23 [2021-11-23 02:34:42,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:34:42,334 INFO L225 Difference]: With dead ends: 38 [2021-11-23 02:34:42,334 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:34:42,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:34:42,336 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:34:42,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-11-23 02:34:42,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:34:42,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:34:42,337 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) [2021-11-23 02:34:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:34:42,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-11-23 02:34:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:34:42,338 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:34:42,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2021-11-23 02:34:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:34:42,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:34:42,341 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:34:42,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-23 02:34:42,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:34:42,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:34:43,301 INFO L854 garLoopResultBuilder]: At program point L35-2(lines 35 40) the Hoare annotation is: false [2021-11-23 02:34:43,301 INFO L858 garLoopResultBuilder]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2021-11-23 02:34:43,301 INFO L861 garLoopResultBuilder]: At program point L192(lines 175 193) the Hoare annotation is: true [2021-11-23 02:34:43,302 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-23 02:34:43,302 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 85) no Hoare annotation was computed. [2021-11-23 02:34:43,302 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 02:34:43,302 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 02:34:43,302 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2021-11-23 02:34:43,303 INFO L854 garLoopResultBuilder]: At program point L61-2(lines 61 66) the Hoare annotation is: false [2021-11-23 02:34:43,303 INFO L858 garLoopResultBuilder]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2021-11-23 02:34:43,303 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 77) no Hoare annotation was computed. [2021-11-23 02:34:43,303 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 84) no Hoare annotation was computed. [2021-11-23 02:34:43,304 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-11-23 02:34:43,304 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 107) no Hoare annotation was computed. [2021-11-23 02:34:43,304 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 76) no Hoare annotation was computed. [2021-11-23 02:34:43,304 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 108) no Hoare annotation was computed. [2021-11-23 02:34:43,304 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 190) no Hoare annotation was computed. [2021-11-23 02:34:43,305 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2021-11-23 02:34:43,305 INFO L854 garLoopResultBuilder]: At program point L138-2(lines 138 142) the Hoare annotation is: false [2021-11-23 02:34:43,305 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 163 168) no Hoare annotation was computed. [2021-11-23 02:34:43,305 INFO L854 garLoopResultBuilder]: At program point L163-2(lines 163 168) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= |ULTIMATE.start___ieee754_log10_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_log10_#res#1| .cse0) (not (bvslt |ULTIMATE.start___ieee754_log10_~hx~1#1| (_ bv1048576 32))) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-23 02:34:43,305 INFO L858 garLoopResultBuilder]: For program point L163-3(lines 163 168) no Hoare annotation was computed. [2021-11-23 02:34:43,306 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-23 02:34:43,306 INFO L854 garLoopResultBuilder]: At program point L172(lines 161 173) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64))) (and (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_16|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_16|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|)) (let ((.cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse2 .cse2))))) (not (bvslt |ULTIMATE.start___ieee754_log10_~hx~1#1| (_ bv1048576 32)))) [2021-11-23 02:34:43,306 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 143) no Hoare annotation was computed. [2021-11-23 02:34:43,306 INFO L858 garLoopResultBuilder]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2021-11-23 02:34:43,307 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 102) no Hoare annotation was computed. [2021-11-23 02:34:43,307 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 02:34:43,307 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2021-11-23 02:34:43,307 INFO L854 garLoopResultBuilder]: At program point L123-2(lines 123 128) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_log10_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 02:34:43,307 INFO L858 garLoopResultBuilder]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2021-11-23 02:34:43,308 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2021-11-23 02:34:43,308 INFO L854 garLoopResultBuilder]: At program point L107(lines 30 109) the Hoare annotation is: false [2021-11-23 02:34:43,308 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 133) no Hoare annotation was computed. [2021-11-23 02:34:43,308 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:34:43,309 INFO L854 garLoopResultBuilder]: At program point L157(lines 118 158) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_log10_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_log10_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (not (bvslt |ULTIMATE.start___ieee754_log10_~hx~1#1| (_ bv1048576 32))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 02:34:43,309 INFO L858 garLoopResultBuilder]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2021-11-23 02:34:43,309 INFO L854 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2021-11-23 02:34:43,309 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2021-11-23 02:34:43,309 INFO L854 garLoopResultBuilder]: At program point L150-2(lines 150 155) the Hoare annotation is: false [2021-11-23 02:34:43,310 INFO L858 garLoopResultBuilder]: For program point L150-3(lines 150 155) no Hoare annotation was computed. [2021-11-23 02:34:43,310 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 55) no Hoare annotation was computed. [2021-11-23 02:34:43,310 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2021-11-23 02:34:43,310 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-11-23 02:34:43,310 INFO L858 garLoopResultBuilder]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2021-11-23 02:34:43,314 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 02:34:43,316 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:34:43,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,326 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,332 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,332 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,332 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,332 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,334 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,334 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,335 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,335 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,335 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,335 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:34:43 BoogieIcfgContainer [2021-11-23 02:34:43,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:34:43,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:34:43,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:34:43,350 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:34:43,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:41" (3/4) ... [2021-11-23 02:34:43,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:34:43,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-23 02:34:43,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 02:34:43,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:34:43,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:34:43,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 02:34:43,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && !~bvslt32(hx, 1048576bv32)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 02:34:43,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && !~bvslt32(hx, 1048576bv32)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 02:34:43,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_16[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_16[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_16[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_16[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && !~bvslt32(hx, 1048576bv32) [2021-11-23 02:34:43,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:34:43,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:34:43,427 INFO L158 Benchmark]: Toolchain (without parser) took 93241.45ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 40.0MB in the beginning and 38.9MB in the end (delta: 1.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2021-11-23 02:34:43,428 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:34:43,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.10ms. Allocated memory is still 60.8MB. Free memory was 39.8MB in the beginning and 25.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 02:34:43,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.64ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 42.6MB in the end (delta: -17.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 02:34:43,429 INFO L158 Benchmark]: Boogie Preprocessor took 44.15ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 40.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:34:43,430 INFO L158 Benchmark]: RCFGBuilder took 30544.61ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 40.4MB in the beginning and 61.8MB in the end (delta: -21.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 02:34:43,430 INFO L158 Benchmark]: TraceAbstraction took 62155.19ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 45.6MB in the end (delta: 15.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-23 02:34:43,430 INFO L158 Benchmark]: Witness Printer took 77.27ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 38.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:34:43,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.10ms. Allocated memory is still 60.8MB. Free memory was 39.8MB in the beginning and 25.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.64ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 42.6MB in the end (delta: -17.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.15ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 40.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 30544.61ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 40.4MB in the beginning and 61.8MB in the end (delta: -21.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 62155.19ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 45.6MB in the end (delta: 15.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 77.27ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 38.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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 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 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 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 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 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 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 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 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,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 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[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,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 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 188]: 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 62.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 44.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 43.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 41.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 54 IncrementalHoareTripleChecker+Unchecked, 407 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 140 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 170 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 118 ConstructedInterpolants, 22 QuantifiedInterpolants, 1054 SizeOfPredicates, 26 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant [2021-11-23 02:34:43,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:34:43,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2021-11-23 02:34:43,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && !~bvslt32(hx, 1048576bv32)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant [2021-11-23 02:34:43,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,456 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,456 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,456 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,456 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,457 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,457 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,457 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,457 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && !~bvslt32(hx, 1048576bv32)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 161]: Loop Invariant [2021-11-23 02:34:43,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,461 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,461 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-11-23 02:34:43,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:34:43,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_16[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_16[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_16[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_16[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && !~bvslt32(hx, 1048576bv32) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:34:43,694 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 02:34:43,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d8bf9c-7479-47c3-9c6e-a86d6afda529/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE