./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX --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 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:02:53,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:02:54,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:02:54,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:02:54,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:02:54,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:02:54,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:02:54,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:02:54,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:02:54,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:02:54,160 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:02:54,161 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:02:54,162 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:02:54,164 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:02:54,165 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:02:54,166 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:02:54,166 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:02:54,167 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:02:54,167 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:02:54,168 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:02:54,169 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:02:54,170 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:02:54,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:02:54,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:02:54,173 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:02:54,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:02:54,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:02:54,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:02:54,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:02:54,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:02:54,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:02:54,178 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:02:54,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:02:54,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:02:54,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:02:54,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:02:54,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:54,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:02:54,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:02:54,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:02:54,182 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:02:54,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:02:54,183 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:02:54,183 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:02:54,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:02:54,184 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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2023-11-12 01:02:54,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:02:54,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:02:54,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:02:54,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:02:54,613 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:02:54,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-12 01:02:58,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:02:58,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:02:58,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-12 01:02:58,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data/6ebf56f6b/1a8d7340ddae41279ce6190d1e59c1db/FLAG67ce3dcb8 [2023-11-12 01:02:58,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data/6ebf56f6b/1a8d7340ddae41279ce6190d1e59c1db [2023-11-12 01:02:58,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:02:58,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:02:58,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:58,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:02:58,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:02:58,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:58,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c265591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58, skipping insertion in model container [2023-11-12 01:02:58,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:58,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:02:58,884 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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-12 01:02:58,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:58,903 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:02:58,967 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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-12 01:02:58,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:58,987 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:02:58,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58 WrapperNode [2023-11-12 01:02:58,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:58,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:58,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:02:58,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:02:58,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,068 INFO L138 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 445 [2023-11-12 01:02:59,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:59,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:02:59,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:02:59,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:02:59,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:02:59,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:02:59,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:02:59,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:02:59,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (1/1) ... [2023-11-12 01:02:59,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:59,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:02:59,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:02:59,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:02:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:02:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:02:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:02:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:02:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-12 01:02:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-12 01:02:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:02:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:02:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:02:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-12 01:02:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:02:59,438 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:02:59,441 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:03:00,235 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:03:00,897 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:03:00,897 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 01:03:00,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:00 BoogieIcfgContainer [2023-11-12 01:03:00,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:03:00,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:03:00,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:03:00,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:03:00,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:02:58" (1/3) ... [2023-11-12 01:03:00,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9acd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:00, skipping insertion in model container [2023-11-12 01:03:00,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:58" (2/3) ... [2023-11-12 01:03:00,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9acd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:00, skipping insertion in model container [2023-11-12 01:03:00,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:00" (3/3) ... [2023-11-12 01:03:00,917 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2023-11-12 01:03:00,940 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:03:00,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:03:01,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:03:01,022 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;@31c432a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:03:01,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:03:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 01:03:01,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:01,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:01,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:03:01,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:01,046 INFO L85 PathProgramCache]: Analyzing trace with hash 735878184, now seen corresponding path program 1 times [2023-11-12 01:03:01,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:01,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042848857] [2023-11-12 01:03:01,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:01,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:03:01,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:03:01,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042848857] [2023-11-12 01:03:01,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042848857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:01,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:01,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 01:03:01,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908080923] [2023-11-12 01:03:01,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:01,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 01:03:01,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:03:01,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 01:03:01,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:03:01,394 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:01,557 INFO L93 Difference]: Finished difference Result 87 states and 147 transitions. [2023-11-12 01:03:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 01:03:01,560 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-12 01:03:01,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:01,570 INFO L225 Difference]: With dead ends: 87 [2023-11-12 01:03:01,570 INFO L226 Difference]: Without dead ends: 41 [2023-11-12 01:03:01,573 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 [2023-11-12 01:03:01,578 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:01,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 01:03:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-12 01:03:01,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-12 01:03:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.45) internal successors, (58), 40 states have internal predecessors, (58), 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) [2023-11-12 01:03:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-11-12 01:03:01,627 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 11 [2023-11-12 01:03:01,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:01,627 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-11-12 01:03:01,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:03:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-12 01:03:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 01:03:01,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:01,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:01,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:03:01,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:03:01,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1436891632, now seen corresponding path program 1 times [2023-11-12 01:03:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334079902] [2023-11-12 01:03:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:03:01,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 01:03:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:03:02,334 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 01:03:02,338 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 01:03:02,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:03:02,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:03:02,349 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 01:03:02,353 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:03:02,389 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-12 01:03:02,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-12 01:03:02,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 01:03:02,391 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-12 01:03:02,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:03:02 BoogieIcfgContainer [2023-11-12 01:03:02,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:03:02,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:03:02,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:03:02,412 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:03:02,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:00" (3/4) ... [2023-11-12 01:03:02,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 01:03:02,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:03:02,419 INFO L158 Benchmark]: Toolchain (without parser) took 3862.18ms. Allocated memory is still 169.9MB. Free memory was 124.2MB in the beginning and 105.6MB in the end (delta: 18.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:02,420 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 125.8MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:02,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.89ms. Allocated memory is still 169.9MB. Free memory was 123.8MB in the beginning and 110.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 01:03:02,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.29ms. Allocated memory is still 169.9MB. Free memory was 110.0MB in the beginning and 106.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:02,429 INFO L158 Benchmark]: Boogie Preprocessor took 70.71ms. Allocated memory is still 169.9MB. Free memory was 106.2MB in the beginning and 103.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:02,430 INFO L158 Benchmark]: RCFGBuilder took 1759.93ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 96.4MB in the end (delta: 6.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:02,430 INFO L158 Benchmark]: TraceAbstraction took 1505.71ms. Allocated memory is still 169.9MB. Free memory was 95.3MB in the beginning and 105.6MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:02,432 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 169.9MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:02,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 125.8MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.89ms. Allocated memory is still 169.9MB. Free memory was 123.8MB in the beginning and 110.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.29ms. Allocated memory is still 169.9MB. Free memory was 110.0MB in the beginning and 106.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.71ms. Allocated memory is still 169.9MB. Free memory was 106.2MB in the beginning and 103.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1759.93ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 96.4MB in the end (delta: 6.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1505.71ms. Allocated memory is still 169.9MB. Free memory was 95.3MB in the beginning and 105.6MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 169.9MB. Free memory is still 105.6MB. 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~short12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 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: 191]: 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 bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 190. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L182] double y = 1.0 / 0.0; [L183] double x = __VERIFIER_nondet_double(); [L185] CALL isfinite_double(x) [L166] __int32_t hx; VAL [Zero_fmod={4:0}, \old(x)=2147483648, one_fmod=1, x=2147483648] [L168] ieee_double_shape_type gh_u; [L169] EXPR gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] EXPR (hx) = gh_u.parts.msw [L167-L171] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [Zero_fmod={4:0}, \old(x)=2147483648, hx=-2147483648, one_fmod=1, x=2147483648] [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L185] RET isfinite_double(x) [L185] COND TRUE isfinite_double(x) [L187] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=2147483648, \old(y)=2147483649, one_fmod=1, x=2147483648, y=2147483649] [L30] ieee_double_shape_type ew_u; [L31] EXPR ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] EXPR (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] EXPR (lx) = ew_u.parts.lsw [L29-L34] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2147483648, \old(y)=2147483649, hx=0, lx=6442450945, one_fmod=1, x=2147483648, y=2147483649] [L36] ieee_double_shape_type ew_u; [L37] EXPR ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] EXPR (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] EXPR (ly) = ew_u.parts.lsw [L35-L40] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2147483648, \old(y)=2147483649, hx=0, hy=2147483647, lx=6442450945, ly=-2147483647, one_fmod=1, x=2147483648, y=2147483649] [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff [L45] EXPR hy | ly [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L46] EXPR ly | -ly [L46] EXPR hy | ((ly | -ly) >> 31) [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, \old(x)=2147483648, \old(y)=2147483649, hx=0, hy=2147483647, lx=6442450945, ly=-2147483647, one_fmod=1, sx=0, x=2147483648, y=2147483649] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=2147483648, \old(y)=2147483649, hx=0, hy=2147483647, lx=6442450945, ly=-2147483647, one_fmod=1, sx=0, x=2147483648, y=2147483649] [L187] RET, EXPR fmod_double(x, y) [L187] double res = fmod_double(x, y); [L190] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=2147483650, x=2147483648, y=2147483649] [L191] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=2147483650, x=2147483648, y=2147483649] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 41 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 01:03:02,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX --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 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:03:05,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:03:05,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 01:03:05,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:03:05,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:03:05,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:03:05,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:03:05,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:03:05,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:03:05,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:03:05,760 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:03:05,760 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:03:05,761 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:03:05,763 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:03:05,763 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:03:05,764 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:03:05,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:03:05,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:03:05,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:03:05,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:03:05,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:03:05,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:03:05,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:03:05,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:03:05,775 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:03:05,775 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:03:05,775 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:03:05,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:03:05,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:03:05,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:03:05,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:03:05,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:03:05,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:03:05,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:05,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:03:05,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:03:05,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:03:05,780 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:03:05,780 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:03:05,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:03:05,780 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:03:05,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:03:05,781 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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2023-11-12 01:03:06,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:03:06,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:03:06,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:03:06,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:03:06,289 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:03:06,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-12 01:03:09,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:03:09,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:03:09,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-12 01:03:09,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data/d9a0cef2e/af56943e3a4d4cde9f3be4f02807c0a7/FLAG8531fb0bd [2023-11-12 01:03:09,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/data/d9a0cef2e/af56943e3a4d4cde9f3be4f02807c0a7 [2023-11-12 01:03:09,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:03:09,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:03:09,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:09,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:03:09,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:03:09,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:09" (1/1) ... [2023-11-12 01:03:09,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f07cbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:09, skipping insertion in model container [2023-11-12 01:03:09,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:09" (1/1) ... [2023-11-12 01:03:10,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:03:10,263 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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-12 01:03:10,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:10,286 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:03:10,349 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_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-12 01:03:10,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:10,398 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:03:10,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10 WrapperNode [2023-11-12 01:03:10,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:10,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:10,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:03:10,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:03:10,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,509 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 243 [2023-11-12 01:03:10,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:10,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:03:10,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:03:10,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:03:10,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:03:10,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:03:10,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:03:10,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:03:10,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (1/1) ... [2023-11-12 01:03:10,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:10,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:03:10,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:03:10,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:03:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:03:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-12 01:03:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-12 01:03:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:03:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:03:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-12 01:03:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 01:03:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:03:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:03:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 01:03:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:03:10,887 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:03:10,889 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:03:15,238 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:03:15,246 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:03:15,246 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 01:03:15,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:15 BoogieIcfgContainer [2023-11-12 01:03:15,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:03:15,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:03:15,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:03:15,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:03:15,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:03:09" (1/3) ... [2023-11-12 01:03:15,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e53ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:15, skipping insertion in model container [2023-11-12 01:03:15,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:10" (2/3) ... [2023-11-12 01:03:15,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e53ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:15, skipping insertion in model container [2023-11-12 01:03:15,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:15" (3/3) ... [2023-11-12 01:03:15,260 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2023-11-12 01:03:15,280 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:03:15,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:03:15,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:03:15,341 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;@2711d84c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:03:15,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:03:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 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) [2023-11-12 01:03:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 01:03:15,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:15,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:15,354 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:03:15,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:15,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2023-11-12 01:03:15,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:03:15,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804807480] [2023-11-12 01:03:15,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:15,374 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 [2023-11-12 01:03:15,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:03:15,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:03:15,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:16,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 01:03:16,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:03:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:03:16,519 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:03:16,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:03:16,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804807480] [2023-11-12 01:03:16,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804807480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:16,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:16,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 01:03:16,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372068890] [2023-11-12 01:03:16,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:16,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 01:03:16,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:03:16,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 01:03:16,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:03:16,562 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 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) [2023-11-12 01:03:16,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:16,588 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2023-11-12 01:03:16,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 01:03:16,590 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 [2023-11-12 01:03:16,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:16,599 INFO L225 Difference]: With dead ends: 118 [2023-11-12 01:03:16,599 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 01:03:16,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:03:16,606 INFO L413 NwaCegarLoop]: 87 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, 87 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 [2023-11-12 01:03:16,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:03:16,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 01:03:16,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-12 01:03:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.490909090909091) internal successors, (82), 55 states have internal predecessors, (82), 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) [2023-11-12 01:03:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2023-11-12 01:03:16,646 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2023-11-12 01:03:16,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:16,646 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2023-11-12 01:03:16,647 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) [2023-11-12 01:03:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2023-11-12 01:03:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 01:03:16,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:16,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:16,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:16,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:16,873 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:03:16,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:16,874 INFO L85 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2023-11-12 01:03:16,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:03:16,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982547841] [2023-11-12 01:03:16,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:16,876 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 [2023-11-12 01:03:16,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:03:16,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:03:16,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:18,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 01:03:18,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:03:19,770 INFO L351 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 16 treesize of output 17 [2023-11-12 01:03:21,851 INFO L322 Elim1Store]: treesize reduction 33, result has 36.5 percent of original size [2023-11-12 01:03:21,852 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 45 [2023-11-12 01:03:22,667 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-12 01:03:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:03:26,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:03:26,172 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:03:26,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982547841] [2023-11-12 01:03:26,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982547841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:26,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:26,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 01:03:26,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872133069] [2023-11-12 01:03:26,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:26,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 01:03:26,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:03:26,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 01:03:26,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=72, Unknown=1, NotChecked=0, Total=90 [2023-11-12 01:03:26,178 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2023-11-12 01:03:31,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 01:03:33,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 01:03:35,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 01:03:37,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 01:03:37,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:37,888 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2023-11-12 01:03:37,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 01:03:37,889 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 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 [2023-11-12 01:03:37,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:37,890 INFO L225 Difference]: With dead ends: 60 [2023-11-12 01:03:37,890 INFO L226 Difference]: Without dead ends: 19 [2023-11-12 01:03:37,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2023-11-12 01:03:37,893 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:37,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 50 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 4 Unknown, 0 Unchecked, 9.5s Time] [2023-11-12 01:03:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-12 01:03:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-12 01:03:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 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) [2023-11-12 01:03:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2023-11-12 01:03:37,900 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 16 [2023-11-12 01:03:37,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:37,900 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2023-11-12 01:03:37,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2023-11-12 01:03:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2023-11-12 01:03:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 01:03:37,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:37,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:37,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:38,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:38,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:03:38,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:38,126 INFO L85 PathProgramCache]: Analyzing trace with hash 467286736, now seen corresponding path program 1 times [2023-11-12 01:03:38,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:03:38,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98497434] [2023-11-12 01:03:38,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:38,127 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 [2023-11-12 01:03:38,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:03:38,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:03:38,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:38,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 01:03:38,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:03:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:03:41,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:03:41,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:03:41,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98497434] [2023-11-12 01:03:41,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98497434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:41,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:41,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 01:03:41,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431649024] [2023-11-12 01:03:41,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 01:03:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:03:41,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 01:03:41,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-12 01:03:41,070 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2023-11-12 01:03:43,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:43,503 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2023-11-12 01:03:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 01:03:43,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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 [2023-11-12 01:03:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:43,504 INFO L225 Difference]: With dead ends: 19 [2023-11-12 01:03:43,504 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 01:03:43,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-12 01:03:43,506 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:43,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 51 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 01:03:43,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 01:03:43,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 01:03:43,509 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) [2023-11-12 01:03:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 01:03:43,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2023-11-12 01:03:43,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:43,509 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 01:03:43,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2023-11-12 01:03:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 01:03:43,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 01:03:43,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:03:43,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:43,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:03:43,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 01:03:44,556 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2023-11-12 01:03:44,556 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2023-11-12 01:03:44,556 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 194) no Hoare annotation was computed. [2023-11-12 01:03:44,557 INFO L899 garLoopResultBuilder]: For program point L185-2(lines 185 194) no Hoare annotation was computed. [2023-11-12 01:03:44,557 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2023-11-12 01:03:44,557 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2023-11-12 01:03:44,557 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2023-11-12 01:03:44,557 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2023-11-12 01:03:44,557 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2023-11-12 01:03:44,557 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,558 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2023-11-12 01:03:44,558 INFO L895 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2023-11-12 01:03:44,558 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-12 01:03:44,558 INFO L895 garLoopResultBuilder]: At program point L154-1(lines 154 159) the Hoare annotation is: false [2023-11-12 01:03:44,558 INFO L899 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2023-11-12 01:03:44,558 INFO L899 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,558 INFO L899 garLoopResultBuilder]: For program point isfinite_double_returnLabel#1(lines 165 173) no Hoare annotation was computed. [2023-11-12 01:03:44,558 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,559 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2023-11-12 01:03:44,559 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2023-11-12 01:03:44,559 INFO L899 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2023-11-12 01:03:44,559 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2023-11-12 01:03:44,559 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2023-11-12 01:03:44,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 01:03:44,559 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 193) no Hoare annotation was computed. [2023-11-12 01:03:44,560 INFO L895 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2023-11-12 01:03:44,560 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-11-12 01:03:44,560 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-11-12 01:03:44,560 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2023-11-12 01:03:44,560 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2023-11-12 01:03:44,566 INFO L895 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2023-11-12 01:03:44,568 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 175 197) no Hoare annotation was computed. [2023-11-12 01:03:44,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 01:03:44,569 INFO L899 garLoopResultBuilder]: For program point fmod_double_returnLabel#1(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,577 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2023-11-12 01:03:44,578 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2023-11-12 01:03:44,578 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2023-11-12 01:03:44,581 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse0) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|) (select .cse1 (_ bv0 32))) (= |ULTIMATE.start_fmod_double_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~y~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) |ULTIMATE.start_main_~x~0#1|) (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|))) (_ bv31 32)) |ULTIMATE.start_isfinite_double_#res#1|)))) [2023-11-12 01:03:44,581 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2023-11-12 01:03:44,581 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 01:03:44,582 INFO L895 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2023-11-12 01:03:44,582 INFO L899 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,582 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2023-11-12 01:03:44,592 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2023-11-12 01:03:44,593 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2023-11-12 01:03:44,593 INFO L899 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,593 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,593 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 01:03:44,594 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2023-11-12 01:03:44,594 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2023-11-12 01:03:44,594 INFO L899 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2023-11-12 01:03:44,594 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2023-11-12 01:03:44,594 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2023-11-12 01:03:44,594 INFO L899 garLoopResultBuilder]: For program point L167-1(lines 167 171) no Hoare annotation was computed. [2023-11-12 01:03:44,595 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2023-11-12 01:03:44,598 INFO L895 garLoopResultBuilder]: At program point L167-2(lines 167 171) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~y~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2023-11-12 01:03:44,599 INFO L899 garLoopResultBuilder]: For program point L167-3(lines 167 171) no Hoare annotation was computed. [2023-11-12 01:03:44,599 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2023-11-12 01:03:44,601 INFO L895 garLoopResultBuilder]: At program point L35-1(lines 35 40) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse0) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|) (select .cse1 (_ bv0 32))) (= |ULTIMATE.start_fmod_double_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))))))) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8| (_ BitVec 32))) (let ((.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|)) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8|) (_ bv4 32)))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (not (= (bvlshr (bvadd (bvand .cse2 (_ bv2147483647 32)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= .cse2 .cse3) (= |ULTIMATE.start_fmod_double_~hx~0#1| .cse3)))) (exists ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) |ULTIMATE.start_main_~x~0#1|) (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|))) (_ bv31 32)) |ULTIMATE.start_isfinite_double_#res#1|)))) [2023-11-12 01:03:44,601 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2023-11-12 01:03:44,607 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 01:03:44,609 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:03:44,624 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,626 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,627 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && !(~bvlshr~32(~bvadd~32(~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && ~hx~0 == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) could not be translated [2023-11-12 01:03:44,627 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated [2023-11-12 01:03:44,630 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,631 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,631 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && !(~bvlshr~32(~bvadd~32(~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && ~hx~0 == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) could not be translated [2023-11-12 01:03:44,631 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated [2023-11-12 01:03:44,639 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,639 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,649 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,650 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,650 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,650 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated [2023-11-12 01:03:44,651 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,651 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,651 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,651 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated [2023-11-12 01:03:44,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:03:44 BoogieIcfgContainer [2023-11-12 01:03:44,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:03:44,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:03:44,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:03:44,653 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:03:44,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:15" (3/4) ... [2023-11-12 01:03:44,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 01:03:44,673 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-12 01:03:44,673 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-12 01:03:44,674 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 01:03:44,674 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 01:03:44,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 01:03:44,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 01:03:44,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:03:44,791 INFO L158 Benchmark]: Toolchain (without parser) took 34845.68ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 44.5MB in the end (delta: 2.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-12 01:03:44,791 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:44,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.39ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.0MB in the beginning and 68.5MB in the end (delta: -21.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-12 01:03:44,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.84ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 66.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:44,793 INFO L158 Benchmark]: Boogie Preprocessor took 89.03ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:44,793 INFO L158 Benchmark]: RCFGBuilder took 4649.13ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 63.9MB in the end (delta: -94.7kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-12 01:03:44,794 INFO L158 Benchmark]: TraceAbstraction took 29400.43ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 49.4MB in the end (delta: 13.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-12 01:03:44,794 INFO L158 Benchmark]: Witness Printer took 137.85ms. Allocated memory is still 90.2MB. Free memory was 49.4MB in the beginning and 44.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:44,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.39ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.0MB in the beginning and 68.5MB in the end (delta: -21.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.84ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 66.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.03ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4649.13ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 63.9MB in the end (delta: -94.7kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 29400.43ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 49.4MB in the end (delta: 13.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 137.85ms. Allocated memory is still 90.2MB. Free memory was 49.4MB in the beginning and 44.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~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_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && !(~bvlshr~32(~bvadd~32(~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && ~hx~0 == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~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_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && !(~bvlshr~32(~bvadd~32(~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && ~hx~0 == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~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 :: ~y~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 :: ~y == ~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_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~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_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~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_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~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_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) 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: 191]: 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, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 10.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 10.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 104 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 14 NumberOfFragments, 223 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 84 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 25 QuantifiedInterpolants, 889 SizeOfPredicates, 26 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 35]: Loop Invariant [2023-11-12 01:03:44,809 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,809 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,809 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && !(~bvlshr~32(~bvadd~32(~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && ~hx~0 == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) could not be translated [2023-11-12 01:03:44,809 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated [2023-11-12 01:03:44,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && !(~bvlshr~32(~bvadd~32(~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && ~hx~0 == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) could not be translated [2023-11-12 01:03:44,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated Derived loop invariant: (x == x) - InvariantResult [Line: 167]: Loop Invariant [2023-11-12 01:03:44,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated Derived loop invariant: (x == x) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant [2023-11-12 01:03:44,813 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,813 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,814 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,814 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated [2023-11-12 01:03:44,814 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,814 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8 : bv32 :: ((!(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]), 2148532224bv32), 31bv32) == 0bv32) && v_skolemized_q#valueAsBitvector_14[63:32] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][4bv32]) && v_skolemized_q#valueAsBitvector_14[31:0] == #memory_int[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_8][0bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-12 01:03:44,815 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-12 01:03:44,815 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~x~0 && ~bvlshr~32(~bvadd~32(2148532224bv32, ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == #res) could not be translated Derived loop invariant: (x == x) RESULT: Ultimate proved your program to be correct! [2023-11-12 01:03:44,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded6d0e2-accf-44e6-b5ce-cae691d8fda6/bin/utaipan-verify-NcY6lQBIFX/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