./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:03:00,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:03:00,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:03:00,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:03:00,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:03:00,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:03:00,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:03:00,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:03:00,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:03:00,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:03:00,217 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:03:00,218 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:03:00,218 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:03:00,219 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:03:00,220 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:03:00,220 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:03:00,221 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:03:00,221 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:03:00,222 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:03:00,222 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:03:00,223 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:03:00,223 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:03:00,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:03:00,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:03:00,225 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:03:00,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:03:00,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:03:00,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:03:00,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:03:00,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:03:00,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:03:00,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:03:00,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:03:00,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:03:00,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:03:00,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:03:00,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:00,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:03:00,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:03:00,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:03:00,230 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:03:00,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:03:00,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:03:00,231 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:03:00,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:03:00,231 INFO L153 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_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-11-19 05:03:00,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:03:00,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:03:00,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:03:00,573 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:03:00,574 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:03:00,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 05:03:03,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:03:04,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:03:04,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 05:03:04,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data/bc0599642/376065fddcdd490f8671cb375ac2a0fd/FLAG2504132a4 [2023-11-19 05:03:04,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data/bc0599642/376065fddcdd490f8671cb375ac2a0fd [2023-11-19 05:03:04,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:03:04,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:03:04,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:04,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:03:04,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:03:04,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84337ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04, skipping insertion in model container [2023-11-19 05:03:04,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:04,433 WARN L240 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_a753f612-ce5d-47e8-8344-87731486474a/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 05:03:04,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:04,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:03:04,503 WARN L240 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_a753f612-ce5d-47e8-8344-87731486474a/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 05:03:04,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:04,523 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:03:04,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04 WrapperNode [2023-11-19 05:03:04,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:04,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:04,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:03:04,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:03:04,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,609 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 333 [2023-11-19 05:03:04,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:04,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:03:04,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:03:04,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:03:04,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:03:04,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:03:04,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:03:04,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:03:04,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (1/1) ... [2023-11-19 05:03:04,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:04,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:04,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:03:04,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:03:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:03:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:03:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:03:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:03:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:03:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:03:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:03:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:03:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:03:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:03:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:03:04,974 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:03:04,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:03:05,603 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:03:05,966 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:03:05,966 INFO L302 CfgBuilder]: Removed 24 assume(true) statements. [2023-11-19 05:03:05,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:05 BoogieIcfgContainer [2023-11-19 05:03:05,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:03:05,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:03:05,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:03:05,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:03:05,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:03:04" (1/3) ... [2023-11-19 05:03:05,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0aa123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:05, skipping insertion in model container [2023-11-19 05:03:05,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:04" (2/3) ... [2023-11-19 05:03:05,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0aa123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:05, skipping insertion in model container [2023-11-19 05:03:05,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:05" (3/3) ... [2023-11-19 05:03:05,991 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2023-11-19 05:03:06,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:03:06,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:03:06,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:03:06,114 INFO L357 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=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@348714d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:03:06,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:03:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 47 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 05:03:06,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:06,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:06,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:06,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1607966388, now seen corresponding path program 1 times [2023-11-19 05:03:06,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:03:06,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725198311] [2023-11-19 05:03:06,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:03:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:06,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:03:06,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725198311] [2023-11-19 05:03:06,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725198311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:06,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:06,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:03:06,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590994793] [2023-11-19 05:03:06,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:06,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:03:06,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:03:06,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:03:06,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:06,479 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 47 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-19 05:03:06,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:06,573 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2023-11-19 05:03:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:03:06,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 05:03:06,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:06,589 INFO L225 Difference]: With dead ends: 95 [2023-11-19 05:03:06,589 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 05:03:06,592 INFO L412 NwaCegarLoop]: 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 [2023-11-19 05:03:06,598 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:06,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:03:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 05:03:06,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 05:03:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 45 states have internal predecessors, (52), 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) [2023-11-19 05:03:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2023-11-19 05:03:06,647 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 13 [2023-11-19 05:03:06,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:06,648 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2023-11-19 05:03:06,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-19 05:03:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-19 05:03:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 05:03:06,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:06,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:06,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:03:06,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:06,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:06,652 INFO L85 PathProgramCache]: Analyzing trace with hash -693641662, now seen corresponding path program 1 times [2023-11-19 05:03:06,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:03:06,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693505338] [2023-11-19 05:03:06,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:06,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:03:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:06,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:03:06,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693505338] [2023-11-19 05:03:06,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693505338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:06,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:06,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:03:06,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118309374] [2023-11-19 05:03:06,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:06,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:03:06,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:03:06,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:03:06,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:06,839 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-19 05:03:06,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:06,927 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2023-11-19 05:03:06,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:03:06,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-19 05:03:06,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:06,929 INFO L225 Difference]: With dead ends: 49 [2023-11-19 05:03:06,929 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 05:03:06,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:06,931 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:06,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:03:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 05:03:06,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 05:03:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 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) [2023-11-19 05:03:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-11-19 05:03:06,940 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 16 [2023-11-19 05:03:06,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:06,940 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-11-19 05:03:06,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-19 05:03:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-19 05:03:06,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 05:03:06,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:06,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:06,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:03:06,943 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:06,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:06,944 INFO L85 PathProgramCache]: Analyzing trace with hash -892106100, now seen corresponding path program 1 times [2023-11-19 05:03:06,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:03:06,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286678588] [2023-11-19 05:03:06,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:06,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:03:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:03:07,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:03:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:03:07,347 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:03:07,348 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:03:07,350 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:03:07,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:03:07,355 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 05:03:07,359 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:03:07,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 05:03:07,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-19 05:03:07,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-11-19 05:03:07,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 05:03:07,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 05:03:07,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 05:03:07,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-19 05:03:07,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-11-19 05:03:07,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:03:07 BoogieIcfgContainer [2023-11-19 05:03:07,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:03:07,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:03:07,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:03:07,424 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:03:07,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:05" (3/4) ... [2023-11-19 05:03:07,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:03:07,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:03:07,435 INFO L158 Benchmark]: Toolchain (without parser) took 3308.96ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 96.7MB in the beginning and 142.8MB in the end (delta: -46.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,436 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 142.6MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:07,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.34ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 82.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.76ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 80.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,445 INFO L158 Benchmark]: Boogie Preprocessor took 91.58ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,446 INFO L158 Benchmark]: RCFGBuilder took 1264.75ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 78.2MB in the beginning and 137.0MB in the end (delta: -58.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,446 INFO L158 Benchmark]: TraceAbstraction took 1441.86ms. Allocated memory is still 188.7MB. Free memory was 137.0MB in the beginning and 142.8MB in the end (delta: -5.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 05:03:07,446 INFO L158 Benchmark]: Witness Printer took 11.58ms. Allocated memory is still 188.7MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:07,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 142.6MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.34ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 82.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.76ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 80.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.58ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1264.75ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 78.2MB in the beginning and 137.0MB in the end (delta: -58.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1441.86ms. Allocated memory is still 188.7MB. Free memory was 137.0MB in the beginning and 142.8MB in the end (delta: -5.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 11.58ms. Allocated memory is still 188.7MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 152]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of bitwiseOr at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146. Possible FailurePath: [L20] static const double one_modf = 1.0; [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL, EXPR modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [\old(x)=6441402388, iptr={6:0}, iptr={6:0}, one_modf=1, x=6441402388] [L26] ieee_double_shape_type ew_u; [L27] EXPR ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] EXPR (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] EXPR (i1) = ew_u.parts.lsw [L25-L30] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=6441402388, i0=-2147483648, i1=0, iptr={6:0}, iptr={6:0}, one_modf=1, x=6441402388] [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=6441402388, i0=-2147483648, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402388] [L32] COND TRUE j0 < 20 VAL [\old(x)=6441402388, i0=-2147483648, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402388] [L33] COND TRUE j0 < 0 VAL [\old(x)=6441402388, i0=-2147483648, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402388] [L35] ieee_double_shape_type iw_u; [L36] EXPR iw_u.parts.msw = (i0 & 0x80000000) [L37] EXPR iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] EXPR (*iptr) = iw_u.value [L34-L39] { ieee_double_shape_type iw_u; iw_u.parts.msw = (i0 & 0x80000000); iw_u.parts.lsw = (0); (*iptr) = iw_u.value; } VAL [\old(x)=6441402388, i0=-2147483648, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402388] [L40] return x; VAL [\old(x)=6441402388, \result=6441402388, i0=-2147483648, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402388] [L148] RET, EXPR modf_double(x, &iptr) [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L151] CALL, EXPR isinf_double(iptr) [L114] __int32_t hx, lx; VAL [\old(x)=6441402387, one_modf=1, x=6441402387] [L116] ieee_double_shape_type ew_u; [L117] EXPR ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] EXPR (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] EXPR (lx) = ew_u.parts.lsw [L115-L120] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=6441402387, hx=2146435072, lx=0, one_modf=1, x=6441402387] [L121] hx &= 0x7fffffff [L122] EXPR lx | (-lx) [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] EXPR hx | (-hx) [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L151] RET, EXPR isinf_double(iptr) [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [iptr={6:0}, one_modf=1, res=6441402388, x=6441402388] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) VAL [iptr={6:0}, one_modf=1, res=6441402388, x=6441402388] [L151] COND TRUE isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L152] reach_error() VAL [iptr={6:0}, one_modf=1, res=6441402388, x=6441402388] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 91 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:03:07,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:03:10,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:03:10,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:03:10,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:03:10,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:03:10,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:03:10,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:03:10,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:03:10,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:03:10,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:03:10,417 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:03:10,417 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:03:10,418 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:03:10,418 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:03:10,419 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:03:10,420 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:03:10,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:03:10,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:03:10,422 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:03:10,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:03:10,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:03:10,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:03:10,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:03:10,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:03:10,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:03:10,426 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:03:10,426 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:03:10,427 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:03:10,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:03:10,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:03:10,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:03:10,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:03:10,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:03:10,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:10,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:03:10,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:03:10,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:03:10,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:03:10,430 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:03:10,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:03:10,431 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:03:10,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:03:10,432 INFO L153 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_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-11-19 05:03:10,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:03:10,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:03:10,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:03:10,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:03:10,959 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:03:10,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 05:03:14,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:03:14,861 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:03:14,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 05:03:14,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data/07f9b0e26/aa92357bdc9a4bd79a5b5c21a07e3a7a/FLAG619f2c935 [2023-11-19 05:03:14,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/data/07f9b0e26/aa92357bdc9a4bd79a5b5c21a07e3a7a [2023-11-19 05:03:14,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:03:14,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:03:14,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:14,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:03:14,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:03:14,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:14" (1/1) ... [2023-11-19 05:03:14,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3288e5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:14, skipping insertion in model container [2023-11-19 05:03:14,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:14" (1/1) ... [2023-11-19 05:03:14,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:15,289 WARN L240 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_a753f612-ce5d-47e8-8344-87731486474a/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 05:03:15,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:15,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:03:15,423 WARN L240 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_a753f612-ce5d-47e8-8344-87731486474a/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 05:03:15,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:15,450 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:03:15,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15 WrapperNode [2023-11-19 05:03:15,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:15,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:15,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:03:15,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:03:15,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,566 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 257 [2023-11-19 05:03:15,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:15,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:03:15,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:03:15,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:03:15,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:03:15,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:03:15,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:03:15,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:03:15,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (1/1) ... [2023-11-19 05:03:15,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:15,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:03:15,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:03:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:03:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 05:03:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 05:03:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:03:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:03:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 05:03:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:03:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:03:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:03:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:03:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:03:15,948 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:03:15,951 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:03:16,804 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:03:16,817 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:03:16,818 INFO L302 CfgBuilder]: Removed 24 assume(true) statements. [2023-11-19 05:03:16,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:16 BoogieIcfgContainer [2023-11-19 05:03:16,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:03:16,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:03:16,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:03:16,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:03:16,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:03:14" (1/3) ... [2023-11-19 05:03:16,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46de2e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:16, skipping insertion in model container [2023-11-19 05:03:16,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:15" (2/3) ... [2023-11-19 05:03:16,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46de2e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:16, skipping insertion in model container [2023-11-19 05:03:16,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:16" (3/3) ... [2023-11-19 05:03:16,844 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2023-11-19 05:03:16,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:03:16,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:03:16,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:03:16,950 INFO L357 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=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@502cee77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:03:16,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:03:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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) [2023-11-19 05:03:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 05:03:16,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:16,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:16,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:16,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2023-11-19 05:03:17,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:17,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181930873] [2023-11-19 05:03:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:17,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:17,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:17,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:03:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:17,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:03:17,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:17,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:17,239 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:17,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181930873] [2023-11-19 05:03:17,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181930873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:17,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:17,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:03:17,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450462916] [2023-11-19 05:03:17,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:17,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:03:17,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:17,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:03:17,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:17,290 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-19 05:03:17,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:17,319 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2023-11-19 05:03:17,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:03:17,330 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 05:03:17,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:17,343 INFO L225 Difference]: With dead ends: 102 [2023-11-19 05:03:17,344 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 05:03:17,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:17,356 INFO L413 NwaCegarLoop]: 58 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, 58 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 [2023-11-19 05:03:17,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:03:17,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 05:03:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 05:03:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 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) [2023-11-19 05:03:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-11-19 05:03:17,422 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2023-11-19 05:03:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:17,423 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-11-19 05:03:17,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-19 05:03:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-19 05:03:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 05:03:17,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:17,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:17,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:17,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:17,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:17,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:17,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2023-11-19 05:03:17,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:17,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664085713] [2023-11-19 05:03:17,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:17,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:17,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:17,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:17,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:03:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:17,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 05:03:17,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:18,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:18,333 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:18,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664085713] [2023-11-19 05:03:18,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664085713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:18,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:18,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:03:18,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264172405] [2023-11-19 05:03:18,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:18,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:03:18,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:03:18,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:03:18,339 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-11-19 05:03:19,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:19,139 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2023-11-19 05:03:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:03:19,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2023-11-19 05:03:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:19,143 INFO L225 Difference]: With dead ends: 64 [2023-11-19 05:03:19,143 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 05:03:19,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:03:19,148 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 22 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:19,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 73 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:03:19,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 05:03:19,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 05:03:19,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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) [2023-11-19 05:03:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2023-11-19 05:03:19,159 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2023-11-19 05:03:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:19,159 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-19 05:03:19,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-11-19 05:03:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-11-19 05:03:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:03:19,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:19,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:19,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:19,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:19,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:19,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:19,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1408426499, now seen corresponding path program 1 times [2023-11-19 05:03:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:19,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53984084] [2023-11-19 05:03:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:19,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:19,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:19,372 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:03:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:19,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:03:19,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:19,924 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:19,930 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:19,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53984084] [2023-11-19 05:03:19,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53984084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:19,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:19,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:03:19,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292791680] [2023-11-19 05:03:19,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:19,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:03:19,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:19,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:03:19,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:19,939 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-19 05:03:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:19,983 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2023-11-19 05:03:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:03:19,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2023-11-19 05:03:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:19,985 INFO L225 Difference]: With dead ends: 30 [2023-11-19 05:03:19,986 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 05:03:19,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:19,990 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:19,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:03:19,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 05:03:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 05:03:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 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) [2023-11-19 05:03:20,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-11-19 05:03:20,008 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2023-11-19 05:03:20,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:20,010 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-11-19 05:03:20,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-19 05:03:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-11-19 05:03:20,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 05:03:20,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:20,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:20,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:20,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:20,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:20,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:20,237 INFO L85 PathProgramCache]: Analyzing trace with hash -605570489, now seen corresponding path program 1 times [2023-11-19 05:03:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:20,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471034766] [2023-11-19 05:03:20,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:20,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:20,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:20,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:03:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:20,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:03:20,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:21,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:21,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:21,003 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:21,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471034766] [2023-11-19 05:03:21,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471034766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:21,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:21,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:03:21,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579579264] [2023-11-19 05:03:21,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:21,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:03:21,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:21,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:03:21,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:03:21,007 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2023-11-19 05:03:23,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 05:03:23,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:23,429 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2023-11-19 05:03:23,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:03:23,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2023-11-19 05:03:23,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:23,432 INFO L225 Difference]: With dead ends: 31 [2023-11-19 05:03:23,432 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 05:03:23,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:03:23,434 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:23,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 73 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-19 05:03:23,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 05:03:23,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 05:03:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2023-11-19 05:03:23,443 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2023-11-19 05:03:23,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:23,444 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2023-11-19 05:03:23,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2023-11-19 05:03:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2023-11-19 05:03:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 05:03:23,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:23,446 INFO L195 NwaCegarLoop]: 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, 1, 1, 1] [2023-11-19 05:03:23,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:23,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:23,657 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:03:23,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:23,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1265561966, now seen corresponding path program 1 times [2023-11-19 05:03:23,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:23,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056995543] [2023-11-19 05:03:23,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:23,659 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:23,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:23,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:23,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:03:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:24,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 05:03:24,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:24,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-19 05:03:24,740 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-11-19 05:03:24,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2023-11-19 05:03:24,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:03:24,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 38 [2023-11-19 05:03:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:26,519 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:26,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:26,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056995543] [2023-11-19 05:03:26,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056995543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:26,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:26,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 05:03:26,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864308925] [2023-11-19 05:03:26,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:26,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:03:26,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:26,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:03:26,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:03:26,523 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:30,435 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2023-11-19 05:03:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:03:30,435 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-19 05:03:30,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:30,436 INFO L225 Difference]: With dead ends: 27 [2023-11-19 05:03:30,436 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:03:30,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2023-11-19 05:03:30,439 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 31 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:30,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 103 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 05:03:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:03:30,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:03:30,441 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) [2023-11-19 05:03:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:03:30,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-11-19 05:03:30,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:30,441 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:03:30,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:03:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:03:30,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:03:30,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:03:30,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:30,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:30,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:03:31,103 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2023-11-19 05:03:31,103 INFO L895 garLoopResultBuilder]: At program point L93-1(lines 93 98) the Hoare annotation is: false [2023-11-19 05:03:31,104 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 98) no Hoare annotation was computed. [2023-11-19 05:03:31,104 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-11-19 05:03:31,104 INFO L899 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2023-11-19 05:03:31,104 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 108) no Hoare annotation was computed. [2023-11-19 05:03:31,105 INFO L899 garLoopResultBuilder]: For program point L151-3(line 151) no Hoare annotation was computed. [2023-11-19 05:03:31,105 INFO L899 garLoopResultBuilder]: For program point L151-5(lines 151 154) no Hoare annotation was computed. [2023-11-19 05:03:31,105 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 139 157) no Hoare annotation was computed. [2023-11-19 05:03:31,106 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 05:03:31,106 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-19 05:03:31,106 INFO L899 garLoopResultBuilder]: For program point __signbit_double_returnLabel#1(lines 127 137) no Hoare annotation was computed. [2023-11-19 05:03:31,106 INFO L899 garLoopResultBuilder]: For program point isinf_double_returnLabel#1(lines 113 125) no Hoare annotation was computed. [2023-11-19 05:03:31,107 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2023-11-19 05:03:31,107 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 50) the Hoare annotation is: false [2023-11-19 05:03:31,107 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:03:31,108 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2023-11-19 05:03:31,108 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) (_ bv20 32))) (bvadd (_ bv1023 32) |ULTIMATE.start_modf_double_~j0~0#1|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) |ULTIMATE.start_modf_double_~i0~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2023-11-19 05:03:31,109 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2023-11-19 05:03:31,109 INFO L895 garLoopResultBuilder]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2023-11-19 05:03:31,109 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2023-11-19 05:03:31,111 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) |ULTIMATE.start_main_#t~short25#1| (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= (let ((.cse1 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_modf_double_#res#1|)) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse2 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_modf_double_#res#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse3 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start___signbit_double_~x#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse4 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_main_~res~0#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|)))))) [2023-11-19 05:03:31,111 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2023-11-19 05:03:31,111 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 109) no Hoare annotation was computed. [2023-11-19 05:03:31,112 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 05:03:31,112 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2023-11-19 05:03:31,112 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2023-11-19 05:03:31,113 INFO L895 garLoopResultBuilder]: At program point L115-2(lines 115 120) the Hoare annotation is: (and (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= (let ((.cse1 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_modf_double_#res#1|)) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse2 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_modf_double_#res#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse3 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start_main_~res~0#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|)))))) [2023-11-19 05:03:31,113 INFO L899 garLoopResultBuilder]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2023-11-19 05:03:31,114 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 67) no Hoare annotation was computed. [2023-11-19 05:03:31,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:03:31,114 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2023-11-19 05:03:31,115 INFO L895 garLoopResultBuilder]: At program point L25-2(lines 25 30) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2023-11-19 05:03:31,115 INFO L899 garLoopResultBuilder]: For program point L25-3(lines 25 30) no Hoare annotation was computed. [2023-11-19 05:03:31,115 INFO L899 garLoopResultBuilder]: For program point modf_double_returnLabel#1(lines 22 110) no Hoare annotation was computed. [2023-11-19 05:03:31,115 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2023-11-19 05:03:31,116 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2023-11-19 05:03:31,116 INFO L899 garLoopResultBuilder]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2023-11-19 05:03:31,116 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2023-11-19 05:03:31,116 INFO L895 garLoopResultBuilder]: At program point L59-2(lines 59 64) the Hoare annotation is: false [2023-11-19 05:03:31,117 INFO L899 garLoopResultBuilder]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2023-11-19 05:03:31,117 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 56) no Hoare annotation was computed. [2023-11-19 05:03:31,117 INFO L895 garLoopResultBuilder]: At program point L51-1(lines 51 56) the Hoare annotation is: false [2023-11-19 05:03:31,117 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2023-11-19 05:03:31,118 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 81) no Hoare annotation was computed. [2023-11-19 05:03:31,118 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 66) no Hoare annotation was computed. [2023-11-19 05:03:31,118 INFO L895 garLoopResultBuilder]: At program point L76-1(lines 76 81) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) (_ bv20 32))) (bvadd (_ bv1023 32) |ULTIMATE.start_modf_double_~j0~0#1|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) |ULTIMATE.start_modf_double_~i0~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10|) (_ bv4 32)))) (and (= .cse0 |ULTIMATE.start_modf_double_~high~1#1|) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|)) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))))) [2023-11-19 05:03:31,119 INFO L899 garLoopResultBuilder]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2023-11-19 05:03:31,119 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 109) no Hoare annotation was computed. [2023-11-19 05:03:31,119 INFO L899 garLoopResultBuilder]: For program point L101-1(lines 101 106) no Hoare annotation was computed. [2023-11-19 05:03:31,120 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 101 106) the Hoare annotation is: false [2023-11-19 05:03:31,120 INFO L899 garLoopResultBuilder]: For program point L101-3(lines 101 106) no Hoare annotation was computed. [2023-11-19 05:03:31,124 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 05:03:31,127 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:03:31,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-11-19 05:03:31,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-19 05:03:31,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-11-19 05:03:31,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 05:03:31,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 05:03:31,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 05:03:31,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 05:03:31,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 05:03:31,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 05:03:31,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 05:03:31,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-11-19 05:03:31,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-11-19 05:03:31,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 05:03:31,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 05:03:31,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 05:03:31,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 05:03:31,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 05:03:31,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_49 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == ~high~1 && #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == v_skolemized_q#valueAsBitvector_49[63:32]) && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 05:03:31,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:03:31 BoogieIcfgContainer [2023-11-19 05:03:31,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:03:31,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:03:31,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:03:31,154 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:03:31,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:16" (3/4) ... [2023-11-19 05:03:31,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:03:31,180 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-19 05:03:31,186 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 05:03:31,187 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 05:03:31,187 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:03:31,339 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:03:31,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:03:31,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:03:31,341 INFO L158 Benchmark]: Toolchain (without parser) took 16443.74ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 61.9MB in the beginning and 50.9MB in the end (delta: 11.0MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-19 05:03:31,341 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 61.7MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:31,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.19ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 48.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:03:31,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.94ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 45.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:03:31,342 INFO L158 Benchmark]: Boogie Preprocessor took 106.64ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 43.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:31,343 INFO L158 Benchmark]: RCFGBuilder took 1143.43ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 44.2MB in the end (delta: -1.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-19 05:03:31,343 INFO L158 Benchmark]: TraceAbstraction took 14317.31ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 43.5MB in the beginning and 57.2MB in the end (delta: -13.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-11-19 05:03:31,344 INFO L158 Benchmark]: Witness Printer took 185.97ms. Allocated memory is still 125.8MB. Free memory was 57.2MB in the beginning and 50.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:03:31,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 61.7MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.19ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 48.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.94ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 45.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.64ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 43.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1143.43ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 44.2MB in the end (delta: -1.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14317.31ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 43.5MB in the beginning and 57.2MB in the end (delta: -13.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 185.97ms. Allocated memory is still 125.8MB. Free memory was 57.2MB in the beginning and 50.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_49 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == ~high~1 && #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == v_skolemized_q#valueAsBitvector_49[63:32]) && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated * 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: 152]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 143 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 450 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 32 QuantifiedInterpolants, 935 SizeOfPredicates, 28 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-19 05:03:31,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a753f612-ce5d-47e8-8344-87731486474a/bin/utaipan-verify-t7M7D8N6sZ/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 Writing output log to file Ultimate.log Result: TRUE